Threejs Gameplay Systems
valkor-ai/loom
Build and iterate playable Three.js game systems: starter scaffold, architecture, design briefs, core loops, level and encounter design, entities, input, camera, collision and physics, scoring…
Clarifies game design requirements and produces a Game Design Document (GDD).
Install Game Planner
$ npx skills add RandallLiuXin/GodotMaker --skill game-planner -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install RandallLiuXin/GodotMaker game-planner --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/RandallLiuXin/GodotMaker.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/core/game-planner .claude/skills/game-planner && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "game-planner" agent skill from https://github.com/RandallLiuXin/GodotMaker/tree/main/skills/core/game-planner into .claude/skills/game-planner/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "game-planner", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/RandallLiuXin/GodotMaker/tree/main/skills/core/game-plannerType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add RandallLiuXin/GodotMaker --skill game-planner -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install RandallLiuXin/GodotMaker game-planner --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/RandallLiuXin/GodotMaker.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/core/game-planner .agents/skills/game-planner && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "game-planner" agent skill from https://github.com/RandallLiuXin/GodotMaker/tree/main/skills/core/game-planner into .agents/skills/game-planner/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "game-planner", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add RandallLiuXin/GodotMaker --skill game-planner -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install RandallLiuXin/GodotMaker game-planner --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/RandallLiuXin/GodotMaker.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/core/game-planner .cursor/skills/game-planner && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "game-planner" agent skill from https://github.com/RandallLiuXin/GodotMaker/tree/main/skills/core/game-planner into .cursor/skills/game-planner/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "game-planner", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/RandallLiuXin/GodotMaker.git --path skills/core/game-planner--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add RandallLiuXin/GodotMaker --skill game-planner -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install RandallLiuXin/GodotMaker game-planner --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/RandallLiuXin/GodotMaker.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/core/game-planner .gemini/skills/game-planner && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "game-planner" agent skill from https://github.com/RandallLiuXin/GodotMaker/tree/main/skills/core/game-planner into .gemini/skills/game-planner/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "game-planner", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install RandallLiuXin/GodotMaker game-plannerInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add RandallLiuXin/GodotMaker --skill game-planner -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/RandallLiuXin/GodotMaker.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/core/game-planner .github/skills/game-planner && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "game-planner" agent skill from https://github.com/RandallLiuXin/GodotMaker/tree/main/skills/core/game-planner into .github/skills/game-planner/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "game-planner", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add RandallLiuXin/GodotMaker --skill game-planner -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install RandallLiuXin/GodotMaker game-planner --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/RandallLiuXin/GodotMaker.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/core/game-planner .opencode/skills/game-planner && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "game-planner" agent skill from https://github.com/RandallLiuXin/GodotMaker/tree/main/skills/core/game-planner into .opencode/skills/game-planner/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "game-planner", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
game-planner- GitHub stars
- 550
- Token cost
- ~3.7k tokens
- SKILL.md length
- 1,847 words
- Files
- 1
- Skills in repo
- 41
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Clarifies game design requirements and produces a Game Design Document (GDD).
- Works in 5 steps: Skip what's already answered. If the… → Use smart defaults. For common genres,… → Ask about gray areas. Focus questions on… → …
- The user describes a game idea
- SKILL.md covers Interview Philosophy, Initial User Concept, Interview Structure and ECS Architecture Hints, plus 1 more section
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Game Planner is an agent skill from RandallLiuXin/GodotMaker. Clarifies game design requirements and produces a Game Design Document (GDD). Use this skill BEFORE writing any game code. Triggers when the user describes a game idea, says "make a game", "build a {genre}", "I want a platformer", "create a tower defense", or provides any game concept — even vague ones like "make something fun" or "I have a game idea". Also triggers on "plan a game", "design a game", "game design document", "GDD". ALWAYS run game-planner before starting implementation. If the user jumps straight…
Its SKILL.md is about 3.7k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Game Development, covering Game design. The repository describes itself as: Autonomous text-to-game pipeline for Godot, powered by Claude Code,Codex,Opencode.
When your agent uses it
- The user describes a game idea
- Says make a game
- Build a {genre}
- I want a platformer
Example prompts
- “make a game”
- “build a {genre}”
- “I want a platformer”
- “/game-planner”
Workflow steps
5 steps, taken from the first numbered list in SKILL.md.
- Skip what's already answered. If the user said "pixel art platformer", don't ask about art style or perspective.
- Use smart defaults. For common genres, fill in obvious answers and confirm them rather than asking from scratch.
- Ask about gray areas. Focus questions on decisions that could go multiple ways.
- Help, don't interrogate. If the user says "just pick reasonable defaults", respect that for the current question or current round — fill…
- Sections are flexible. Different game types need different GDD sections. Skip sections that don't apply (e.g., no "Characters" for Tetris…
What it can do on your machine
Read from SKILL.md and the folder at commit 1d4702c. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Game Planner loads about 3.7k tokens when it runs. Until then it costs about 168 tokens; SKILL.md has 1,847 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 1,847 words (~3,732 tokens).
- name
- game-planner
Files
Just SKILL.md in skills/core/game-planner of RandallLiuXin/GodotMaker.
Open the folder on GitHubat commit 1d4702c
Compare with similar skills
Game Planner next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Game Planner this skillRandallLiuXin/GodotMaker | 550 | — | ~3.7k | Automated safety check: Pass | Custom licence | |
| Threejs Gameplay Systemsvalkor-ai/loom | 1.2k | 1 repos | ~1.4k | Automated safety check: Pass | Apache-2.0 | |
| Godot Gdscript Patterns925236118/AlphaAgent | 103 | 10 repos | ~5k | Automated safety check: Pass | MIT | |
| Game Asset Spec WriterDonchitos/Claude-Code-Game-Studios | 26k | — | ~5k | Automated safety check: Pass | MIT | |
| Game Build From Designzenstory-ai/novel-to-game | 841 | — | ~661 | Automated safety check: Pass | MIT | |
| Game Experience Density OptimizerDY-2026/GameDesignOS | 415 | — | ~2.1k | Automated safety check: Pass | MIT |
Similar skills
Godot Gdscript Patterns
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Game Asset Spec Writer
Donchitos/Claude-Code-Game-Studios
Writes per-asset visual specs and AI image-generation prompts for a game's characters, enemies and screens, driven by the GDD, art bible and an entity inventory.
Game Build From Design
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Builds a risk-matched whitebox or an approved production game candidate from a game design for its target runtime, with replayable evidence.
Game Experience Density Optimizer
DY-2026/GameDesignOS
当用户需要把游戏体验浓度、留存、首局节奏、Demo 完成率、单机总旅程、D1/D7、反馈、具身感、氛围、认知负荷、最佳刺激窗口、FEP/free-energy、预测误差、Markov blanket、习惯化或 liveops 参与问题，编译成可上线、可埋点、可复盘、可回滚的一周 ED 实验包时使用。Use when converting game experience-density and…
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Related
Categories
Questions about Game Planner
What does Game Planner do?
Clarifies game design requirements and produces a Game Design Document (GDD). Game Planner is an agent skill from RandallLiuXin/GodotMaker. Clarifies game design requirements and produces a Game Design Document (GDD).
When should I use Game Planner?
Game Planner fits situations like: the user describes a game idea; says make a game; build a {genre}; I want a platformer.
How do I install Game Planner in Claude Code?
Run `npx skills add RandallLiuXin/GodotMaker --skill game-planner -a claude-code`. Or copy the skill folder (skills/core/game-planner in RandallLiuXin/GodotMaker) into .claude/skills/game-planner in your project. Claude Code loads it when a task matches its description.
How do I install Game Planner in Codex?
Run `npx skills add RandallLiuXin/GodotMaker --skill game-planner -a codex`. Or copy the skill folder (skills/core/game-planner in RandallLiuXin/GodotMaker) into .agents/skills/game-planner in your project. Codex loads it when a task matches its description.
Can I use Game Planner in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add RandallLiuXin/GodotMaker --skill game-planner -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/game-planner, .gemini/skills/game-planner, .github/skills/game-planner and .opencode/skills/game-planner in your project.
What does Game Planner need to run?
SKILL.md names no scripts, command-line tools or credentials: Game Planner is instructions for the agent only.
Does Game Planner access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Game Planner safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Game Planner use?
Game Planner has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.
How many tokens does Game Planner use?
About 3.7k tokens (SKILL.md is roughly 15k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Game Planner?
Skills that share tags, products or a category with Game Planner: Threejs Gameplay Systems (valkor-ai/loom, 1.2k stars), Godot Gdscript Patterns (925236118/AlphaAgent, 103 stars), Game Asset Spec Writer (Donchitos/Claude-Code-Game-Studios, 26k stars) and Game Build From Design (zenstory-ai/novel-to-game, 841 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Game Planner?
RandallLiuXin (a GitHub user) maintains it in RandallLiuXin/GodotMaker, which has 550 GitHub stars. The repository holds 41 skills in this directory. The repository was last updated on September 17, 2026.
Source: RandallLiuXin/GodotMaker on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.