An AI game prompt library with ready-to-use Codex prompts for building playable game prototypes, plus lifetime access and free updates.
The Game Prompt Library solves a specific problem: starting every game prototype from nothing.
Instead of staring at an empty project, you pick a concept, copy a detailed prompt into Codex with GPT 5.6, and generate a playable foundation in one session.
Each prompt is not a one-line idea. It is a full production brief. It covers the core gameplay loop, player controls, movement, mechanics, progression, visual direction, camera setup, atmosphere, characters, environments, required assets, interface design, project structure, technical requirements, game feel and polish, testing priorities, and scope limits.
You also get a 100-plus page game prototyping handbook. It explains the broader workflow: turning an idea or reference image into a game concept, planning your minimum asset set, generating usable game visuals, structuring a Codex project, testing and debugging prototypes, improving game feel and polish, and preparing a prototype to share or expand.
What you will learn:
How to go from a prompt to a playable game prototype using Codex and GPT 5.6.
How a complete game concept breaks down into controls, mechanics, visuals, and project structure.
How to plan a minimum set of assets needed for a working prototype.
How to test, debug, and improve game feel in an AI-generated prototype.
How to prepare a prototype for sharing or further development.
Ideal for: Indie developers, vibe coders, and AI builders who want stronger starting points for game prototypes.