Bombay Asteroids
A retro arcade shooter set above Mumbai — pilot your spaceship through 10 iconic city landmarks, destroy incoming asteroids, and race for the top of a live global leaderboard. Built entirely in vanilla JavaScript with zero dependencies.
Features
Gameplay
Navigate through 10 iconic Mumbai landmarks from IIT Bombay to the Gateway of India. Each level introduces faster waves and denser asteroid fields.
Live Leaderboard
Real-time global leaderboard powered by Firebase Firestore. Your score is saved instantly — compete with players worldwide.
Plays Everywhere
Fully responsive across desktop, tablet, and mobile. Installable as a Progressive Web App — plays offline with no download required.
Performance
Maintains 60 FPS on desktop and 30 FPS on budget phones. Lightweight audio engine built on the Web Audio API — no external assets.
Technical Details
| Renderer | HTML5 Canvas 2D API — frame-by-frame game loop |
| Architecture | Pure vanilla JS — zero libraries, zero build step |
| Backend | Firebase Firestore for real-time leaderboard sync |
| Offline support | Service Worker + PWA manifest |
| Performance | RequestAnimationFrame loop, delta-time physics |
| Privacy | No ads, no analytics, no third-party tracking |