| game-architect | Architecture | Comprehensive guide for game project architecture, requirement analysis, and logic design. |
| game-agent-toolkit | Workflow | Game Agents Toolkit — a milestone-driven game design pre-production workflow. Downstream implementation can continue with OpenSpec or Superpowers. |
| game-design-review | Design | Self-contained, evidence-driven review framework for critiquing game concepts, mechanics, balance, levels, interfaces, narrative, social features, prototypes, and production decisions. |
| game-balance-analysis | Design | Specialized in game numerical design, this skill designs first-pass game balance values, builds reusable simulation and tuning tools, diagnoses existing systems, and evaluates proposals through executable verification, parameter sweeps, playtests, and telemetry. |
| game-image-generation-rules | Image | Game-focused, backend-agnostic production rules for planning, generating, inspecting, evaluating, refining, and packaging image assets. |
| gpt-image | Image | Simplified image generation skill for OpenAI image generation endpoints, adapted from gpt_image_2_skill. |
| openrouter-image-generate | Image | Generate images through OpenRouter's Image API with the bundled Python script. |
| imagemagick-cli | Image | Comprehensive ImageMagick 7 command-line image processing for reproducible inspection, conversion, editing, composition, animation, and batch automation workflows. |
| lucida-remove-background | Image | Remove image backgrounds locally with Lucida for soft transparency and effects, or BiRefNet-HR for high-resolution solid subjects. |
| 3d-model-generator-by-threejs | 3D Models | Generate procedural 3D models from natural-language descriptions for use in game engines, using a Three.js-based pipeline to validate and export GLB, glTF, OBJ, or STL assets. |
| animation-shader | Render | Used for creating anime-style shaders. |
| openrouter-video-generate | Video | Generate, poll, resume, and download videos through OpenRouter's asynchronous Video API. |
| slice-video-frames | Video | Extract ordered video frames by FPS, exact count, timestamps, or every source frame, with optional chroma-key cleanup. |