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Muhammad Ahsan Ayaz
Muhammad Ahsan Ayaz

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"Flashback" - a MongoDB Atlas Hackathon Submission | Wohooo! πŸŽ‰

Overview of My Submission

My submission for the hackathon is a memory-based game called Flashback. I used MongoDB Atlas Database for storing the games, the scores and the users. The rest of the technologies are:
Angular, NestJS, Firebase, Prisma, TailwindCSS, a bit of πŸ’—

Image description

Submission Category:

Choose Your Own Adventure

Link to Code


Game Url (Demo)

About the game

This is a memory based game built for the MongoDB Atlas Hackathon. Players can create game lobbies and invite others using a link. They can simulataneously play the memory game and whoever finishes first, essentially wins and the game quickly ends as someone finishes the game as a winner.


When testing the app, please wait a while as the heroku instance (dyno) might still be down, since it is on a free teer. Once you log in, you can wait for a few seconds and try again to see everything working.

Built with

The game is built using Angular, TypeScript, TailwindCSS, NestJS, MongoDB πŸ˜„ (of course), and Firebase. Also, with a lot of and hardwork πŸ’—. Which can be seen at either Twitch or YouTube as all of this was streamed LIVE with all my efforts, frustration, and small…

Additional Resources / Info

Here's a demo video explaining the workflow πŸ™‚

Please note that the backend is deployed on a FREE dyno of Heroku. So when you try the app, it might take some time before you get a network response as the dyno might be sleeping. Takes a few seconds before it wakes up and starts responding.

Hoping for the best 🀞 This was fun!!

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Need a better mental model for async/await?

Check out this classic DEV post on the subject.

β­οΈπŸŽ€ JavaScript Visualized: Promises & Async/Await

async await