Choose a game idea and define the core gameplay
Pick a technology stack
Set up a code editor and project folder
Create the game loop
Build the game canvas or rendering area
Add player controls
Implement game objects and movement
Add collision detection
Add scoring, lives, and win or lose conditions
Create levels or increasing difficulty
Add sound effects and music
Design the user interface
Test the game in different browsers
Fix bugs and optimize performance
Deploy the game to a web host
Share the game link with players