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
Popular games ready to customize
Guide the snake to eat food and grow longer. A timeless clas...
Defend Earth from alien invaders in this arcade classic!
Break all the bricks with your ball and paddle!
The original arcade game! Play against the computer.
Classic strategy game - get three in a row!
Navigate through the pipes! How far can you fly?
Popular games that inspire creativity
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!