Diagnose and fix FPS drops, stutter, memory growth, long loads, input latency or scaling problems by measuring first, changing one bottleneck at a time, and comparing before/after under the same conditions. Use when the user mentions performance, frame rate, hitching, memory, load time, GC spikes, draw calls or latency.
Install
npx skills add ThiagoFdaSLopes/game-dev-skills --skill game-optimizenpx skills add ThiagoFdaSLopes/game-dev-skills --skill game-optimize -a claude-code -gnpx skills add ThiagoFdaSLopes/game-dev-skills --skill game-optimize -a codex -ggemini skills install https://github.com/ThiagoFdaSLopes/game-dev-skills.git --path skills/game-optimizegh skill install ThiagoFdaSLopes/game-dev-skills game-optimizegit clone --depth 1 https://github.com/ThiagoFdaSLopes/game-dev-skills /tmp/ThiagoFdaSLopes__game-dev-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/ThiagoFdaSLopes__game-dev-skills/skills/game-optimize ~/.claude/skills/game-optimize # Claude Code
cp -R /tmp/ThiagoFdaSLopes__game-dev-skills/skills/game-optimize ~/.agents/skills/game-optimize # Codex, Cursor, Gemini CLI, Copilot, OpenCode