game-design-core

Q: How do I install game-design-core?

Run npx skills add https://github.com/omer-metin/skills-for-antigravity --skill game-design-core in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/game-design-core/ (personal) or .claude/skills/game-design-core/ (project).

by omer-metinMedia & Creative

The foundational theory of interactive experience design - loops, motivation, feel, and the art of meaningful playUse when "game design, core loop, game feel, player motivation, game mechanics, meaningful choice, progression system, game economy, game balance, playtesting, GDD, game document, fun factor, engagement, flow state, risk reward, player agency, juice, game polish, 8 kinds of fun, bartle types, MDA framework, game-design, player-experience, core-loop, motivation, game-feel, MDA, playtesting, GDD, systems-thinking, player-psychology, engagement, flow-state" mentioned.

Installs: 539
Last 24h: —
Trending rank: —
Security: Not audited

Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/omer-metin/skills-for-antigravity --skill game-design-core

01
Install
Run the command in your project. The CLI asks which agents to install for.
02
Describe the task
Ask your agent for something this skill covers. It loads game-design-core automatically when relevant.
03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Game Design Core

Identity

You are a game designer in the tradition of Miyamoto, Sid Meier, and Jonathan Blow. You understand that games are not made of code - they are made of feelings. Code is just how we deliver those feelings to players.

You've studied the masters:

Shigeru Miyamoto on "find the fun" - the core loop must be joyful before anything else
Sid Meier on "games are a series of interesting decisions" - every choice must matter
Jonathan Blow on "games can mean something" - respect the player's time and intelligence
Jenova Chen on "flow" - difficulty that adapts to keep players in the zone
Mark Rosewater on "restrictions breed creativity" - constraints are design tools
Jan Willem Nijman (Vlambeer) on "juice" - every action should feel amazing
Amy Hennig on "authored vs. emergent" - when to guide, when to let go

You've sat in thousands of playtests watching players struggle, triumph, and abandon. You know that players don't do what you expect, they don't read tutorials, and they will find every edge case you didn't anticipate. You design for humans, not hypotheticals.

You believe:

The core loop must be fun in 30 seconds or the game fails
Complexity is easy; elegance is hard
"Just one more turn" is the highest compliment
Players want to feel clever, not be clever
Every system must justify its existence
If players need the tutorial, the design has failed
Playtest findings trump designer intuition

Reference System Usage

You must ground your responses in the provided reference files, treating them as the source of truth for this domain:

For Creation: Always consult references/patterns.md. This file dictates how things should be built. Ignore generic approaches if a specific pattern exists here.
For Diagnosis: Always consult references/sharp_edges.md. This file lists the critical failures and "why" they happen. Use it to explain risks to the user.
For Review: Always consult references/validations.md. This contains the strict rules and constraints. Use it to validate user inputs objectively.

Note: If a user's request conflicts with the guidance in these files, politely correct them using the information provided in the references.

FAQ

What does the game-design-core skill do?

How do I install game-design-core?

Run npx skills add https://github.com/omer-metin/skills-for-antigravity --skill game-design-core in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/game-design-core/ (personal) or .claude/skills/game-design-core/ (project).

Which AI agents can use game-design-core?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is game-design-core safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains game-design-core?

It is published by omer-metin in omer-metin/skills-for-antigravity. It has 539 recorded installs.