Turn a game-design question into one falsifiable theory packet instead of a framework collage. Use when a designer must explain why a mechanic may create a player experience, analyze mechanics-dynamics-aesthetics, test a core loop, inspect choice, uncertainty, progression, resource flow, mastery, autonomy, competence, or relatedness, compare design variants, or turn conflicting playtest…
Install
npx skills add akillness/jeo-skills --skill game-design-theorynpx skills add akillness/jeo-skills --skill game-design-theory -a claude-code -gnpx skills add akillness/jeo-skills --skill game-design-theory -a codex -ggemini skills install https://github.com/akillness/jeo-skills.git --path .agent-skills/game-design-theorygh skill install akillness/jeo-skills game-design-theorygit clone --depth 1 https://github.com/akillness/jeo-skills /tmp/akillness__jeo-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/akillness__jeo-skills/.agent-skills/game-design-theory ~/.claude/skills/game-design-theory # Claude Code
cp -R /tmp/akillness__jeo-skills/.agent-skills/game-design-theory ~/.agents/skills/game-design-theory # Codex, Cursor, Gemini CLI, Copilot, OpenCode