The GameMaker Studio 2 Developer's Handbook gives you a direct path from setup to a complete release. You learn how to build gameplay systems, structure projects, write clear GML, and prepare builds for Windows, macOS, Linux, Android, iOS, and HTML5. The book explains each system with direct steps and practical code you apply in real projects. You use templates, checklists, and reference functions to support production from early prototypes to market ready builds.

What is inside the book
- GML basics, variables, control flow, loops, functions, and data structures
- Object workflow, events, instances, collisions, rooms, and camera work
- Input systems for keyboard, mouse, controller, and touch
- Sprites, animation, draw events, effects, and audio setup
- Movement, state machines, combat, inventory, dialogue, and AI patterns
- Modular scripts, data handling, file I O, and pathfinding
- Optimization, profiling, instance control, collision efficiency, and performance checks
- Debugging, logging, breakpoints, error tracking, device testing, and performance testing
- Polishing, UI and UX checks, release builds, export settings, and store launch steps
- Asset checklists, project templates, input maps, and reference functions

Who the book is for
- Beginners who want a clear path
- Intermediate developers who need cleaner workflows
- Solo creators and small teams building 2D games
- Students learning structured GML use
- Developers preparing desktop, mobile, or browser releases
- Readers who prefer practical steps and clear examples

Why this book should be on your list
- You get direct explanations with no confusion
- You learn systems used in real projects
- You follow working code with clear comments
- You build complete gameplay features with predictable results
- You prepare stable builds across platforms
- You use templates and checklists to speed up production
- You reduce guesswork through strong debugging and testing workflows
- You guide your project from prototype to release with confidence