Skill Claude CodeCodex
Use when designing, tuning, or reviewing the core RPG systems triad — character progression (leveling, skills, attributes, classless vs. class), the economy (currencies, faucets/sinks, crafting materials), and loot & itemization (rarity tiers, drop rates, legendary/unique design). Also use to diagnose "leveling feels…
Skill Claude CodeCodex
Use when authoring shaders/materials or building visual effects in ANY engine — the shader model (vertex/fragment/compute, what each reads and writes), node-graph material thinking, procedural texturing (noise, SDFs, triplanar, vertex-color/splat masks) vs. baked textures, the VFX toolkit (CPU vs GPU particles…
Skill Claude CodeCodex
Use when designing, auditing, or generating the systemic substrate of a game — the small set of consistent, interacting rules (a "chemistry engine") that produce emergent play, rather than scripted set-pieces. Covers immersive-sim principles (intention & perceivable consequence), multiplicative vs. additive design…
Skill Claude CodeCodex
Use when designing, auditing, or generating a HUD, menu system, or feedback vocabulary for any genre — information hierarchy, diegetic vs. non-diegetic classification, cognitive load budgeting, feedback channel design, menu flow, input modality, and accessibility. Also use to diagnose a UI that is cluttered, that…
Skill Claude CodeCodex
Use when building a world bible and deciding how lore reaches the player — the iceberg principle (author the whole world, surface 10%), environmental & item-description storytelling, an "alien but coherent" identity that survives procedural generation, deep history as faction-proxy pantheons, and ludonarrative harmony…