Games
Build a game
1. 2D breakout game using Phaser · 2. Adventures in Rust: A Basic 2D Game · 3. Code a 2D Game Engine using Java - Full Course for Beginners19 stops→
Play with code, then build your own games. Each system orbits this star. The little planets are stops: tap one to land.
We only show links we think are safe for kids. Others might go to forums, need an account, or cover grown-up topics. A grown-up can show them for this visit only. Nothing is saved.
Change how Open Cosmos looks and moves. Your choices are saved only in this browser.
Stops the moving stars and slide effects.