Learn LIBGDX with Real Code Examples
Updated Nov 24, 2025
Practical Examples
2D platformer with Box2D
Top-down shooter
Turn-based tactics game
3D first-person prototype
Android casual game
Troubleshooting
Check texture disposal
Use AssetManager to prevent loading freezes
Fix OpenGL errors by flushing batches
Test GWT compatibility
Debug physics scaling issues (meters vs pixels)
Testing Guide
Desktop launch for rapid iteration
Use GLProfiler for GPU debugging
Physics world debug renderer
Use Android emulator + device tests
Unit test core logic via JUnit
Deployment Options
Desktop (Windows/macOS/Linux)
Android
iOS via RoboVM/MobiDevelop
HTML5 via GWT
Steam/Epic via desktop launcher
Tools Ecosystem
gdx-setup (project generator)
TexturePacker
Tiled map editor
Box2D Debug Renderer
gdx-ai, gdx-controllers, gdx-freetype
Integrations
Firebase/Play Services via Android launcher
REST APIs using HttpRequest
Steamworks via Desktop embedding
Admob on Android
Box2D, Bullet Physics, AI toolkit
Productivity Tips
Use Scene2D for UI instead of custom rendering
Reuse SpriteBatch + camera
Use TexturePacker atlases
Write debug overlays early
Profile memory frequently
Challenges
Build a tilemap platformer
Create a custom UI theme with Scene2D
Implement Box2D ragdolls
Build ECS architecture using Ashley
Export a full Android game