Creating an endless music creation game is a fresh and creative twist on both rhythm games and endless runners. Instead of dodging obstacles or jumping over gaps, players layer sounds in real time to build evolving, looping compositions—forever. Think of it as Incredibox meets an endless runner, where the beat never stops and your creativity drives the gameplay.
Games like Incredibox, Fuser, and even fan-made phenomena like Sprunki have shown how addictive and expressive music-based gameplay can be. Now, imagine that experience stretched into an endless format—where new sound characters appear continuously, and your job is to place them wisely to keep the groove alive.
In this guide, I’ll walk you through building a basic endless music creation game—inspired by the aesthetic and spirit of Sprunki Retake—using just HTML, CSS, and JavaScript. We’ll keep it simple, fun, and musical!
Step 1: Understand the Core Mechanics
Before writing code, let’s define what makes an endless music creation game work:
Automatic progression: New “sound characters” (like Sprunki-style icons) scroll in from the right automatically.
Player interaction: Click or tap on incoming characters to “activate” them, adding their unique sound to the loop.
Layered audio: Each activated character plays its sound on a repeating beat, creating a dynamic, evolving track.
No fail state: Unlike runners, this is a creative endless game—there’s no “game over,” just endless expression.
This design encourages experimentation and rewards rhythm intuition over reflexes.
Step 2: Set Up the Basic Structure
We’ll start with a clean HTML file and a for visuals, plus the Web Audio API for sound.
Step 3: Initialize Audio and Game Loop
We’ll use the Web Audio API to manage looping sounds. Each character will have its own short audio clip (e.g., beat, melody, bass).
Basic JavaScript Setup
Step 4: Create “Sprunki-Style” Sound Characters
Each character represents a unique sound. They scroll from right to left, and when clicked, they “stick” to the timeline and play their loop.
Character Object
Spawn Characters Over Time
Step 5: Handle Clicks and Activate Sounds
When a player clicks a character, we activate its sound loop.
Play a Looping Sound (Simplified)
Step 6: Animate and Clean Up Characters
Characters move left automatically. Once off-screen, remove them (unless active—but in this design, only clicking activates them; they don’t stay on screen).
Step 7: Bring It All Together
Your final gameLoop should look like this:
Who is behind this post?
I am the developer of Sprunkiretake, currently working on a project to turn Sprunki Retake into the most fun music making game. See you in the comments!
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