Choose a game idea
Decide the genre
Define the core gameplay
Pick a platform
Select a game engine or framework
Learn the required tools
Create a simple prototype
Build the main mechanics
Design the game levels or world
Add graphics and animations
Add sound and music
Create user interface elements
Test the game regularly
Fix bugs and improve performance
Balance the gameplay
Add menus and settings
Save and load game progress
Polish the visuals and controls
Get feedback from players
Release the game
Update and maintain the game