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    <title>DEV Community: 松下治正</title>
    <description>The latest articles on DEV Community by 松下治正 (@harumasa_matsushita).</description>
    <link>https://dev.to/harumasa_matsushita</link>
    <image>
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      <title>DEV Community: 松下治正</title>
      <link>https://dev.to/harumasa_matsushita</link>
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    <language>en</language>
    <item>
      <title>Redefining Web Game Architecture: The Intersection of Occult and Ninja Logic (07/05 13:58)</title>
      <dc:creator>松下治正</dc:creator>
      <pubDate>Sun, 05 Jul 2026 13:58:50 +0000</pubDate>
      <link>https://dev.to/harumasa_matsushita/redefining-web-game-architecture-the-intersection-of-occult-and-ninja-logic-0705-1358-400h</link>
      <guid>https://dev.to/harumasa_matsushita/redefining-web-game-architecture-the-intersection-of-occult-and-ninja-logic-0705-1358-400h</guid>
      <description>&lt;p&gt;The intersection of occult and ninja logic has birthed an unprecedented gaming experience, pushing the boundaries of web game architecture. "Legend of Occult Puzzle" and "Ninja Counter!" are not just indie games; they are milestones in web frontend history.&lt;/p&gt;

&lt;p&gt;The technical novelty and dedication to detail are evident in every aspect of these games. Utilizing pure JavaScript and Canvas, the isometric quarter-view aesthetic redefines traditional browser game concepts. The meticulous 1-pixel precision in mechanics like "Self-Color Counter" (10x score) and "Stronghold Intercept" (enemy score confiscation &amp;amp; 2-second stun) provides a chain reaction of exhilaration. The dynamic processing of special tatami tiles, including cores, bombs, chains, and shuriken recovery, offers a deep, real-time tatami puzzle action experience.&lt;/p&gt;

&lt;p&gt;The developer's 30-year passion and relentless refactoring to overcome JavaScript curses and browser auto-play policies (AudioContext suspended) have resulted in a game that transcends mere entertainment. The moment you tap the screen, the game springs to life with explosive BGM and thunder SFX, creating an immersive experience.&lt;/p&gt;

&lt;p&gt;This game is more than just entertainment; it is a philosophy. The fusion of occult and ninja logic challenges conventional wisdom and offers a forbidden perceptual experience. The arcade-style idle demo system, which auto-starts after 15 seconds of inactivity with a blinking HTML warning banner (⚠️), further enhances the immersive experience.&lt;/p&gt;

&lt;p&gt;Looking ahead, the architecture is designed with future expansions in mind, including P2P (PeerJS) and WebSocket for online multiplayer battles. This commitment to innovation ensures that these games will continue to push the boundaries of what is possible in web gaming.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" alt="Logic" width="800" height="400"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Play: &lt;a href="https://plicy.net/GamePlay/229344" rel="noopener noreferrer"&gt;https://plicy.net/GamePlay/229344&lt;/a&gt;&lt;br&gt;
Check: &lt;a href="https://t.co/4edd9dLiFq" rel="noopener noreferrer"&gt;https://t.co/4edd9dLiFq&lt;/a&gt;&lt;br&gt;
Video: None&lt;/p&gt;

</description>
      <category>シミュレーション</category>
      <category>puzzle</category>
      <category>対戦ゲーム</category>
      <category>競馬ゲーム</category>
    </item>
    <item>
      <title>Redefining Web Technology: The Architectural Marvel of 'Legend of Occult Puzzle' and 'Ninja Counter!' (07/05 09:20)</title>
      <dc:creator>松下治正</dc:creator>
      <pubDate>Sun, 05 Jul 2026 09:20:46 +0000</pubDate>
      <link>https://dev.to/harumasa_matsushita/redefining-web-technology-the-architectural-marvel-of-legend-of-occult-puzzle-and-ninja-18oi</link>
      <guid>https://dev.to/harumasa_matsushita/redefining-web-technology-the-architectural-marvel-of-legend-of-occult-puzzle-and-ninja-18oi</guid>
      <description>&lt;p&gt;The 'Legend of Occult Puzzle' and the latest 'Ninja Counter!' have not only captivated gamers but have also redefined the possibilities of web technology. These games, built purely on JavaScript, Canvas, and HTML, push the boundaries of what can be achieved within a browser environment.&lt;/p&gt;

&lt;p&gt;The architectural marvel of these games lies in their use of pure JavaScript and Canvas to synchronize HTML elements (such as the body-direct, z-index: 99999 front-most HTML demo strip) to their limits. The isometric quarter-view aesthetic, meticulously adjusted to the pixel, offers a visual experience that is both captivating and revolutionary.&lt;/p&gt;

&lt;p&gt;Features like 'Self-Color Reversal (10x Score)' and 'Stealth Interception (Enemy Score Confiscation &amp;amp; 2-second Stun)' are dynamically processed, offering players a chain reaction of excitement. The special tatami mat tiles, such as Core, Bomb, Chain, and Shuriken Recovery, further enhance the dynamic processing, challenging the limits of browser games.&lt;/p&gt;

&lt;p&gt;Moreover, the 15-second idle auto-start, front-most HTML flashing strip (⚠️ HTML code notation) arcade-style AI idle demo system adds an extra layer of engagement. This system not only showcases the game's capabilities but also hints at future possibilities, such as P2P (PeerJS) or WebSocket-based online multiplayer battles.&lt;/p&gt;

&lt;p&gt;The respect for technical ingenuity is evident in the position data and inversion data synchronization system, which ensures a seamless gaming experience. The developer's dedication to pushing the limits of web technology is clear, making these games a testament to what can be achieved with passion and perseverance.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" alt="Logic" width="800" height="400"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Play: &lt;a href="https://plicy.net/GamePlay/229344" rel="noopener noreferrer"&gt;https://plicy.net/GamePlay/229344&lt;/a&gt;&lt;br&gt;
Check: &lt;a href="https://t.co/4edd9dLiFq" rel="noopener noreferrer"&gt;https://t.co/4edd9dLiFq&lt;/a&gt;&lt;br&gt;
Video: None&lt;/p&gt;

</description>
      <category>live</category>
      <category>ゲーム好きと繋がりたい</category>
      <category>gamedev</category>
      <category>個人開発</category>
    </item>
    <item>
      <title>Redefining Web Game Architecture: The Legacy of 'Legend of Occult Puzzle' and 'Ninja Counter!' (07/05 04:05)</title>
      <dc:creator>松下治正</dc:creator>
      <pubDate>Sun, 05 Jul 2026 04:05:26 +0000</pubDate>
      <link>https://dev.to/harumasa_matsushita/redefining-web-game-architecture-the-legacy-of-legend-of-occult-puzzle-and-ninja-counter-me4</link>
      <guid>https://dev.to/harumasa_matsushita/redefining-web-game-architecture-the-legacy-of-legend-of-occult-puzzle-and-ninja-counter-me4</guid>
      <description>&lt;p&gt;In the evolving landscape of web technologies, 'Legend of Occult Puzzle' and its latest iteration, 'Ninja Counter!', stand as monumental achievements that redefine the boundaries of what is possible with JavaScript, Canvas, HTML, and CSS. These games are not just indie titles; they are a testament to the relentless pursuit of innovation and the breaking of conventional game design norms.&lt;/p&gt;

&lt;p&gt;At the heart of these games lies an architecture that pushes the limits of browser-based gaming. Utilizing pure JavaScript and HTML5 Canvas, the games present an isometric view of a 'neon ninja village' that transcends ASMR to deliver a visual and auditory experience like no other. The dynamic handling of special tatami mats—such as the Core, Bomb, Chain, and Shuriken Recovery—demonstrates a deep commitment to creating a seamless and engaging gameplay experience.&lt;/p&gt;

&lt;p&gt;One of the most remarkable features is the implementation of a rescue process that reactivates the game's BGM and sound effects with a loud bang the moment the screen is touched. This addresses the challenges posed by JavaScript's quirks and browser auto-play policies, showcasing the developers' determination to overcome these obstacles.&lt;/p&gt;

&lt;p&gt;Furthermore, the games' design anticipates future expansions, including P2P (PeerJS) and WebSocket for online multiplayer battles, and an auto-start arcade-style idle demo system that flashes a warning icon (&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/%25E2%259A%25A0%25EF%25B8%258F" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/%25E2%259A%25A0%25EF%25B8%258F" alt="Warning" width="800" height="400"&gt;&lt;/a&gt;) after 15 seconds of inactivity. This forward-thinking approach ensures that 'Legend of Occult Puzzle' and 'Ninja Counter!' are not just games of today, but blueprints for the games of tomorrow.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" alt="Logic" width="800" height="400"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;In conclusion, these games are a celebration of web game architecture and a glimpse into the future of online gaming. They challenge developers to think beyond the conventional and push the envelope of what web games can achieve.&lt;/p&gt;

&lt;p&gt;Play: &lt;a href="https://plicy.net/GamePlay/229344" rel="noopener noreferrer"&gt;https://plicy.net/GamePlay/229344&lt;/a&gt;&lt;br&gt;
Check: &lt;a href="https://t.co/4edd9dLiFq" rel="noopener noreferrer"&gt;https://t.co/4edd9dLiFq&lt;/a&gt;&lt;br&gt;
Video: None&lt;/p&gt;

</description>
      <category>暇つぶし</category>
      <category>フリーゲーム</category>
      <category>対戦ゲーム</category>
      <category>シミュレーション</category>
    </item>
    <item>
      <title>Redefining Web Technology: The Architectural Marvel of 'Legend of Occult Puzzle' and 'Ninja Counter!' (07/04 22:09)</title>
      <dc:creator>松下治正</dc:creator>
      <pubDate>Sat, 04 Jul 2026 22:09:52 +0000</pubDate>
      <link>https://dev.to/harumasa_matsushita/redefining-web-technology-the-architectural-marvel-of-legend-of-occult-puzzle-and-ninja-3m8a</link>
      <guid>https://dev.to/harumasa_matsushita/redefining-web-technology-the-architectural-marvel-of-legend-of-occult-puzzle-and-ninja-3m8a</guid>
      <description>&lt;p&gt;The 'Legend of Occult Puzzle' and 'Ninja Counter!' are not just games; they are a redefinition of what is possible with web technology. Utilizing pure JavaScript, Canvas, and HTML, these games push the boundaries of what can be achieved in a browser environment.&lt;/p&gt;

&lt;p&gt;The isometric quarter-view aesthetic, synchronized to the utmost limit with the body's direct HTML demo belt and z-index: 99999, showcases a level of detail and precision that is rarely seen. The dynamic handling of special tatami tiles, such as 'Self-Color Reversal (10x Score)' and 'Stealth Intercept (Enemy Score Nullification &amp;amp; 2-Second Stun)', creates a chain reaction of excitement that challenges the limits of browser games.&lt;/p&gt;

&lt;p&gt;Moreover, the development process itself is a testament to the developer's dedication and perseverance. Battling against the constraints of JS and browser auto-play policies (AudioContext suspended), the game features a rescue mechanism that reinstates the BGM and thunder sound effects with a deafening roar the moment the screen is touched. This gritty refactoring process is what elevates this puzzle beyond a mere game into a 'philosophy'.&lt;/p&gt;

&lt;p&gt;Looking forward, the architecture of these games paves the way for future expansions, including P2P (PeerJS) and WebSocket-based online multiplayer competitions. The system for synchronizing position data and reversal data is a technical homage to the possibilities of web technology. Additionally, the arcade-style idle demo system, which automatically activates with a 15-second no-operation timer and features a foreground HTML flashing belt (HTML code format ⚠️ notation), is a unique feature that enhances the gaming experience.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" alt="Logic" width="800" height="400"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Play: &lt;a href="https://plicy.net/GamePlay/229344" rel="noopener noreferrer"&gt;https://plicy.net/GamePlay/229344&lt;/a&gt;&lt;br&gt;
Check: &lt;a href="https://t.co/4edd9dLiFq" rel="noopener noreferrer"&gt;https://t.co/4edd9dLiFq&lt;/a&gt;&lt;br&gt;
Video: None&lt;/p&gt;

</description>
      <category>パズルゲーム</category>
      <category>無料ゲーム</category>
      <category>kyoto</category>
      <category>brainteaser</category>
    </item>
    <item>
      <title>Redefining Web Game Architecture: The Legend of Occult Puzzle and Ninja Counter! (07/04 19:29)</title>
      <dc:creator>松下治正</dc:creator>
      <pubDate>Sat, 04 Jul 2026 19:29:22 +0000</pubDate>
      <link>https://dev.to/harumasa_matsushita/redefining-web-game-architecture-the-legend-of-occult-puzzle-and-ninja-counter-0704-1929-38ml</link>
      <guid>https://dev.to/harumasa_matsushita/redefining-web-game-architecture-the-legend-of-occult-puzzle-and-ninja-counter-0704-1929-38ml</guid>
      <description>&lt;p&gt;The Legend of Occult Puzzle and Ninja Counter! are not just indie games; they represent a groundbreaking event in the history of web frontend development. These games redefine the possibilities of web technology, leveraging pure JavaScript, HTML, and CSS to create an immersive and innovative gaming experience.&lt;/p&gt;

&lt;p&gt;The architectural marvel of these games lies in the synchronization of JavaScript and HTML elements. The isometric quarter-view aesthetics, coupled with pixel-perfect mechanics like the 'Self-color Return (10x Score)' and 'Robbery Intercept (Steal Enemy Score &amp;amp; 2-second Stun)', offer a chain reaction of excitement. Special tatami tiles such as Core, Bomb, Chain, and Shuriken Recovery dynamically process, pushing the boundaries of what’s possible in browser games.&lt;/p&gt;

&lt;p&gt;The developer’s 30-year journey was fraught with challenges, including JavaScript’s quirks and browser auto-play policies that muted audio. Through relentless refactoring, a rescue mechanism was implemented to revive the BGM and thunder sound effects with a single touch, showcasing the tenacity behind this project.&lt;/p&gt;

&lt;p&gt;This game is more than just entertainment; it’s a philosophy. The ancient grimoire’s madness, passed down through generations, now manifests in these games, poised to etch a new historical event in the annals of web frontend history.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" alt="Logic" width="800" height="400"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Additionally, the auto-start feature with a 15-second idle timer and a front-facing HTML flashing banner (HTML code format ⚠️ notation) provides an arcade-style AI idle demo system, enhancing the user experience. The potential for future P2P (PeerJS) and WebSocket online multiplayer battles is also being considered, with a focus on position data and inversion data synchronization systems.&lt;/p&gt;

&lt;p&gt;Play: &lt;a href="https://plicy.net/GamePlay/229344" rel="noopener noreferrer"&gt;https://plicy.net/GamePlay/229344&lt;/a&gt;&lt;br&gt;
Check: &lt;a href="https://t.co/4edd9dLiFq" rel="noopener noreferrer"&gt;https://t.co/4edd9dLiFq&lt;/a&gt;&lt;br&gt;
Video: None&lt;/p&gt;

</description>
      <category>沼</category>
      <category>フリーゲーム</category>
      <category>live</category>
      <category>忍者</category>
    </item>
    <item>
      <title>Redefining Web Technology with Advanced JavaScript and Canvas Architecture (07/04 16:14)</title>
      <dc:creator>松下治正</dc:creator>
      <pubDate>Sat, 04 Jul 2026 16:14:51 +0000</pubDate>
      <link>https://dev.to/harumasa_matsushita/redefining-web-technology-with-advanced-javascript-and-canvas-architecture-0704-1614-4168</link>
      <guid>https://dev.to/harumasa_matsushita/redefining-web-technology-with-advanced-javascript-and-canvas-architecture-0704-1614-4168</guid>
      <description>&lt;p&gt;In the realm of web technology, we often encounter limitations and boundaries. However, the recent release of "Legend of Occult Puzzle" and "Ninja Counter!" has shattered these constraints, redefining what is possible with JavaScript, Canvas, and HTML.&lt;/p&gt;

&lt;p&gt;The core of these games lies in their advanced JavaScript and Canvas architecture. Utilizing a quarter-view isometric perspective, the games offer a visually stunning experience that is both immersive and interactive. The dynamic handling of special tatami tiles, such as Core, Bomb, Chain, and Shuriken Recovery, showcases the cutting-edge capabilities of browser-based gaming.&lt;/p&gt;

&lt;p&gt;One of the most intriguing features is the auto-start HTML flashing strip, which activates after 15 seconds of inactivity. This arcade-style AI idle demo system not only enhances user engagement but also demonstrates the potential of HTML and JavaScript in creating dynamic, responsive interfaces.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" alt="Logic" width="800" height="400"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Moreover, the game's architecture is designed with future expansions in mind, including P2P (PeerJS) and WebSocket for online multiplayer battles. The synchronization system for position and inversion data ensures a seamless and fair gaming experience across multiple platforms.&lt;/p&gt;

&lt;p&gt;In conclusion, "Legend of Occult Puzzle" and "Ninja Counter!" are not just games; they are a testament to the boundless possibilities of web technology. By pushing the limits of JavaScript and Canvas, these games offer a glimpse into the future of browser-based gaming.&lt;/p&gt;

&lt;p&gt;Play: &lt;a href="https://uma-musubi.com/soccer/soccer-simulator-pro.html" rel="noopener noreferrer"&gt;https://uma-musubi.com/soccer/soccer-simulator-pro.html&lt;/a&gt;&lt;br&gt;
Check: &lt;a href="https://t.co/4edd9dLiFq" rel="noopener noreferrer"&gt;https://t.co/4edd9dLiFq&lt;/a&gt;&lt;br&gt;
Video: None&lt;/p&gt;

</description>
      <category>脳汁</category>
      <category>indiegame</category>
      <category>game</category>
      <category>自作ゲーム</category>
    </item>
    <item>
      <title>Redefining Web Technology: The Architecture Behind 'Legend of Occult Puzzle' and 'Ninja Counter!' (07/04 13:52)</title>
      <dc:creator>松下治正</dc:creator>
      <pubDate>Sat, 04 Jul 2026 13:52:44 +0000</pubDate>
      <link>https://dev.to/harumasa_matsushita/redefining-web-technology-the-architecture-behind-legend-of-occult-puzzle-and-ninja-counter-3175</link>
      <guid>https://dev.to/harumasa_matsushita/redefining-web-technology-the-architecture-behind-legend-of-occult-puzzle-and-ninja-counter-3175</guid>
      <description>&lt;p&gt;The games 'Legend of Occult Puzzle' and 'Ninja Counter!' are not just games; they are a redefinition of web technology possibilities. Utilizing pure JavaScript, Canvas, and HTML elements, these games push the boundaries of what is possible in browser-based gaming. The isometric quarter-view aesthetics, meticulously adjusted to the pixel, offer a unique visual experience. Special tatami tiles with dynamic processing such as 'Self-Color Reversal (10x Score)' and 'Stealth Intercept (Enemy Score Seizure &amp;amp; 2-second Stun)' provide players with a chain of thrill.&lt;/p&gt;

&lt;p&gt;The development team has spent decades battling the limitations of JavaScript and browser auto-play policies (AudioContext suspended). The rescue process that revives BGM and thunder sound effects with a single screen touch is a testament to their relentless refactoring. This game is more than just a game; it is a philosophy.&lt;/p&gt;

&lt;p&gt;Looking forward, the architecture is designed with extensibility in mind, including potential for P2P (PeerJS) and WebSocket-based online multiplayer battles. The idle demo system, which automatically starts after 15 seconds of inactivity, featuring a flashing HTML banner (HTML code format ⚠️ notation), adds an arcade-style touch.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" alt="Logic" width="800" height="400"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Play: &lt;a href="https://plicy.net/GamePlay/229344" rel="noopener noreferrer"&gt;https://plicy.net/GamePlay/229344&lt;/a&gt;&lt;br&gt;
Check: &lt;a href="https://t.co/4edd9dLiFq" rel="noopener noreferrer"&gt;https://t.co/4edd9dLiFq&lt;/a&gt;&lt;br&gt;
Video: None&lt;/p&gt;

</description>
      <category>パズルゲーム</category>
      <category>logic</category>
      <category>脳汁</category>
      <category>シミュレーション</category>
    </item>
    <item>
      <title>Redefining Web Technology: The Architecture Behind 'Legend of Occult Puzzle' and 'Ninja Counter!' (07/04 11:03)</title>
      <dc:creator>松下治正</dc:creator>
      <pubDate>Sat, 04 Jul 2026 11:03:59 +0000</pubDate>
      <link>https://dev.to/harumasa_matsushita/redefining-web-technology-the-architecture-behind-legend-of-occult-puzzle-and-ninja-counter-4ok0</link>
      <guid>https://dev.to/harumasa_matsushita/redefining-web-technology-the-architecture-behind-legend-of-occult-puzzle-and-ninja-counter-4ok0</guid>
      <description>&lt;p&gt;The games 'Legend of Occult Puzzle' and 'Ninja Counter!' are not just mere indie games; they represent a significant event in the history of web front-end development. These games redefine the possibilities of web technology, particularly in the use of JavaScript, Canvas, HTML, and CSS.&lt;/p&gt;

&lt;p&gt;The architecture of these games is a testament to the innovative use of web technologies. By synchronizing pure JavaScript with Canvas and HTML elements to the extreme, the games achieve an isometric quarter-view aesthetic that is both captivating and technically impressive. The dynamic handling of special tatami tiles, such as the 'Self-Color Reversal (10x Score)' and 'Stealth Intercept (Enemy Score Nullification &amp;amp; 2-second Stun)', provides a thrilling gameplay experience that pushes the boundaries of browser-based gaming.&lt;/p&gt;

&lt;p&gt;Moreover, the games feature an automatic arcade-style AI demo system that activates after 15 seconds of inactivity, with a front-facing HTML flashing strip (HTML code format ⚠️ notation) to engage players. This system not only enhances the user experience but also demonstrates the potential for future expansions, such as P2P (PeerJS) or WebSocket-based online multiplayer battles.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" alt="Logic" width="800" height="400"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;The development process behind these games is a story of perseverance and technical finesse. The developer has spent decades refining the concept, overcoming the challenges posed by JavaScript's limitations and browser auto-play policies (AudioContext suspended). The result is a rescue mechanism that resurrects the BGM and thunder sound effects with a loud burst as soon as the screen is touched, creating an immersive and engaging experience.&lt;/p&gt;

&lt;p&gt;These games are more than just games; they are a philosophical exploration of the intersection between occultism and stealth logic. They invite players to embark on a journey of deep perception and discovery, challenging them to push the boundaries of their own understanding and experience.&lt;/p&gt;

&lt;p&gt;Play: &lt;a href="https://plicy.net/GamePlay/229344" rel="noopener noreferrer"&gt;https://plicy.net/GamePlay/229344&lt;/a&gt;&lt;br&gt;
Check: &lt;a href="https://t.co/4edd9dLiFq" rel="noopener noreferrer"&gt;https://t.co/4edd9dLiFq&lt;/a&gt;&lt;br&gt;
Video: None&lt;/p&gt;

</description>
      <category>数学</category>
      <category>高iq</category>
      <category>ウマ娘</category>
      <category>game</category>
    </item>
    <item>
      <title>Redefining Web Technology: The Architectural Marvel of 'Legend of Occult Puzzle' and 'Ninja Counter!' (07/04 08:51)</title>
      <dc:creator>松下治正</dc:creator>
      <pubDate>Sat, 04 Jul 2026 08:51:49 +0000</pubDate>
      <link>https://dev.to/harumasa_matsushita/redefining-web-technology-the-architectural-marvel-of-legend-of-occult-puzzle-and-ninja-2imb</link>
      <guid>https://dev.to/harumasa_matsushita/redefining-web-technology-the-architectural-marvel-of-legend-of-occult-puzzle-and-ninja-2imb</guid>
      <description>&lt;p&gt;In the vast expanse of the internet, two games have emerged as revolutionary milestones in web technology: 'Legend of Occult Puzzle' and 'Ninja Counter!'. These games are not just ordinary indie titles; they represent a redefinition of what is possible with JavaScript, Canvas, HTML, and CSS.&lt;/p&gt;

&lt;p&gt;'Legend of Occult Puzzle' showcases an isometric quarter-view aesthetic, meticulously crafted using pure JavaScript and Canvas. The synchronization between HTML elements and Canvas rendering is pushed to its limits, with every pixel meticulously adjusted to create a unique gaming experience. Features like 'Self-Color Reversal (10x Score)' and 'Stealth Interception (Enemy Score Nullification &amp;amp; 2-Second Stun)' offer a thrilling chain reaction of gameplay.&lt;/p&gt;

&lt;p&gt;'Ninja Counter!' takes this concept further with a high-speed 3D tatami-flipping puzzle action game. The dynamic handling of special tatami mats such as Core, Bomb, Chain, and Shuriken Recovery challenges the boundaries of browser-based gaming. These games are not just about playing; they are about experiencing the redefined possibilities of web technology.&lt;/p&gt;

&lt;p&gt;The architecture behind these games is a testament to the developer's 30-year vision and relentless dedication. Overcoming the challenges posed by JavaScript's quirks and browser auto-play policies, the developer implemented a rescue mechanism that instantly revives BGM and thunder sound effects with a single touch. This is not just a game; it is a philosophy born from the love and perseverance encapsulated in every HTML character reference code (&amp;amp;#).&lt;/p&gt;

&lt;p&gt;Moreover, the games feature an arcade-style idle demo system that automatically starts after 15 seconds of inactivity, with a front-facing HTML flashing band (HTML code format ⚠️ notation). The potential for future expansions, including P2P (PeerJS) and WebSocket-based online multiplayer battles, is also being considered.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" alt="Logic" width="800" height="400"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;These games are available on the bulletin board game platform 'uma-musubi', alongside other titles like the World Cup 2026 Manager Simulation Game and a realistic horse racing simulation game. This is not just a collection of indie games; it is a historical event in the annals of web frontend technology.&lt;/p&gt;

&lt;p&gt;Play: &lt;a href="https://uma-musubi.com/soccer/soccer-simulator-pro.html" rel="noopener noreferrer"&gt;https://uma-musubi.com/soccer/soccer-simulator-pro.html&lt;/a&gt;&lt;br&gt;
Check: &lt;a href="https://t.co/4edd9dLiFq" rel="noopener noreferrer"&gt;https://t.co/4edd9dLiFq&lt;/a&gt;&lt;br&gt;
Video: None&lt;/p&gt;

</description>
      <category>ライブ配信</category>
      <category>高iq</category>
      <category>中毒性</category>
      <category>brainteaser</category>
    </item>
    <item>
      <title>Redefining Web Game Architecture: The Future of Online Multiplayer with 'Legend of Occult Puzzle' and 'Ninja Counter!' (07/04 03:46)</title>
      <dc:creator>松下治正</dc:creator>
      <pubDate>Sat, 04 Jul 2026 03:46:19 +0000</pubDate>
      <link>https://dev.to/harumasa_matsushita/redefining-web-game-architecture-the-future-of-online-multiplayer-with-legend-of-occult-puzzle-2236</link>
      <guid>https://dev.to/harumasa_matsushita/redefining-web-game-architecture-the-future-of-online-multiplayer-with-legend-of-occult-puzzle-2236</guid>
      <description>&lt;p&gt;The 'Legend of Occult Puzzle' and 'Ninja Counter!' are not just games; they are a testament to the incredible potential of web technologies. Utilizing pure JavaScript, Canvas, and HTML elements, these games push the boundaries of what is possible in browser-based gaming.&lt;/p&gt;

&lt;p&gt;The isometric quarter-view aesthetic, synchronized to the extreme with JavaScript and HTML, offers an unparalleled immersive experience. Features like the 'Self-color Reversal (10x Score)' and 'Stealth Intercept (Confiscate opponent's score &amp;amp; 2-second stun)' provide a chain reaction of excitement that keeps players hooked. The dynamic processing of special tatami mats, such as Core, Bomb, Chain, and Shuriken Recovery, challenges the limits of browser game design.&lt;/p&gt;

&lt;p&gt;The development journey is a story of perseverance. Battling against JavaScript's quirks and browser auto-play policies (AudioContext suspended), the developers implemented a rescue mechanism that revives BGM and thunder sound effects with a single screen touch. This gritty refactoring process resulted in a game that transcends mere entertainment, becoming a philosophical experience.&lt;/p&gt;

&lt;p&gt;Looking ahead, these games are set to evolve further, with plans for P2P (PeerJS) and WebSocket-based online multiplayer capabilities. This architectural innovation redefines the possibilities of web technologies and paves the way for a new era of online gaming.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" alt="Logic" width="800" height="400"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Play: &lt;a href="https://plicy.net/GamePlay/229344" rel="noopener noreferrer"&gt;https://plicy.net/GamePlay/229344&lt;/a&gt;&lt;br&gt;
Check: &lt;a href="https://t.co/4edd9dLiFq" rel="noopener noreferrer"&gt;https://t.co/4edd9dLiFq&lt;/a&gt;&lt;br&gt;
Video: None&lt;/p&gt;

</description>
      <category>自作ゲーム</category>
      <category>game</category>
      <category>競馬ゲーム</category>
      <category>パズルゲーム</category>
    </item>
    <item>
      <title>Redefining Web Game Architecture: The Legacy of 'Legend of Occult Puzzle' and 'Ninja Counter!' (07/03 19:44)</title>
      <dc:creator>松下治正</dc:creator>
      <pubDate>Fri, 03 Jul 2026 19:44:43 +0000</pubDate>
      <link>https://dev.to/harumasa_matsushita/redefining-web-game-architecture-the-legacy-of-legend-of-occult-puzzle-and-ninja-counter-nho</link>
      <guid>https://dev.to/harumasa_matsushita/redefining-web-game-architecture-the-legacy-of-legend-of-occult-puzzle-and-ninja-counter-nho</guid>
      <description>&lt;p&gt;The 'Legend of Occult Puzzle' and the latest 'Ninja Counter!' have transcended the realm of simple indie games, redefining the possibilities of web technology. Utilizing pure JavaScript, Canvas, and HTML, these games push the boundaries of what is possible in browser-based gaming.&lt;/p&gt;

&lt;p&gt;The isometric quarter-view aesthetic, meticulously adjusted to the pixel, creates an immersive experience that is both visually stunning and technically sophisticated. Special tatami tiles such as Core, Bomb, Chain, and Shuriken Recovery dynamically interact, providing a gameplay experience that challenges the limits of browser games.&lt;/p&gt;

&lt;p&gt;Moreover, the game's architecture is designed with future expansions in mind, including potential P2P (PeerJS) and WebSocket integration for online multiplayer battles. The system synchronizes position data and inversion data, ensuring a seamless experience across different platforms.&lt;/p&gt;

&lt;p&gt;A unique feature of the game is the front-end HTML flashing strip that auto-starts after 15 seconds of inactivity, offering an arcade-style AI idle demo system. This innovative approach not only engages players but also showcases the game's technical prowess.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" alt="Logic" width="800" height="400"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;In conclusion, 'Legend of Occult Puzzle' and 'Ninja Counter!' are not just games; they are a testament to the ingenuity and passion of developers who have pushed the boundaries of web technology to create something truly extraordinary.&lt;/p&gt;

&lt;p&gt;Play: &lt;a href="https://plicy.net/GamePlay/229344" rel="noopener noreferrer"&gt;https://plicy.net/GamePlay/229344&lt;/a&gt;&lt;br&gt;
Check: &lt;a href="https://t.co/4edd9dLiFq" rel="noopener noreferrer"&gt;https://t.co/4edd9dLiFq&lt;/a&gt;&lt;br&gt;
Video: None&lt;/p&gt;

</description>
      <category>ninja</category>
      <category>実況</category>
      <category>arcade</category>
      <category>数学</category>
    </item>
    <item>
      <title>Redefining Web Technology: The Architecture Behind 'Ninja Counter!' (07/03 09:34)</title>
      <dc:creator>松下治正</dc:creator>
      <pubDate>Fri, 03 Jul 2026 09:34:20 +0000</pubDate>
      <link>https://dev.to/harumasa_matsushita/redefining-web-technology-the-architecture-behind-ninja-counter-0703-0934-1eh3</link>
      <guid>https://dev.to/harumasa_matsushita/redefining-web-technology-the-architecture-behind-ninja-counter-0703-0934-1eh3</guid>
      <description>&lt;p&gt;The 'Ninja Counter!' game represents a significant redefinition of what is possible with web technology. Utilizing pure JavaScript, Canvas, and HTML elements, we have pushed the boundaries of browser-based gaming. The isometric quarter-view aesthetic, achieved through meticulous pixel-perfect adjustments, offers a unique and immersive experience. Features such as the 'Self-Color Counter' (10x score) and 'Interception Steal' (enemy score nullification &amp;amp; 2-second stun) create a thrilling chain reaction that keeps players engaged.&lt;/p&gt;

&lt;p&gt;Special tatami mats, including Core, Bomb, Chain, and Shuriken Recovery, dynamically interact with the game logic, showcasing the sophisticated design that challenges the limits of browser games. The development process involved overcoming significant hurdles, such as JavaScript's quirks and browser auto-play policies (AudioContext suspended). We implemented a rescue mechanism that resurrects the BGM and thunder sound effects with a single screen tap, ensuring an uninterrupted gaming experience.&lt;/p&gt;

&lt;p&gt;Furthermore, the game's architecture is designed with future expansions in mind, including potential P2P (PeerJS) and WebSocket-based online multiplayer capabilities. The front-end HTML blinking demo system, which automatically activates after 15 seconds of inactivity, offers an arcade-style idle demo experience. This system is represented in HTML code format using ⚠️.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/IMAGE_URL" alt="Logic" width="800" height="400"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Play: &lt;a href="https://plicy.net/GamePlay/227378" rel="noopener noreferrer"&gt;https://plicy.net/GamePlay/227378&lt;/a&gt;&lt;br&gt;
Check: &lt;a href="https://t.co/4edd9dLiFq" rel="noopener noreferrer"&gt;https://t.co/4edd9dLiFq&lt;/a&gt;&lt;br&gt;
Video: None&lt;/p&gt;

</description>
      <category>沼</category>
      <category>ワールドカップ2026</category>
      <category>brainteaser</category>
      <category>対戦ゲーム</category>
    </item>
  </channel>
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