Start with a template, customize it your way, or build with AI
Start with a ready-made game. Customize colors, speeds, and themes instantly—no waiting!
Pac-Man, Space Invaders, Snake, and more
Change colors, speeds, and themes—see results live
Use AI to add features and polish your customized game
Practice your skills with fun debugging and game improvement challenges
Find and fix broken games to improve your problem-solving skills
Make games faster and more efficient while learning best practices
Add cool new features to existing games and learn creative coding
Install GB3A on your device for a better experience!