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venus2099venus2099/codex-game-studios/design/CLAUDE.md

codex-game-studios / design

CLAUDE.md1 starsChanged 26 days agoMITView on GitHub

When authoring or editing files in this directory, follow these standards. The 8 GDD sections, in order: 1. Overview — one-paragraph summary 2. Player Fantasy — intended feeling and experience 3. Detailed Rules — unambiguous mechanics 4. Formulas — all math defined with variables 5. Edge Cases — unusual situations handled 6. Dependencies — other systems listed 7. Tuning Knobs — configurable values identified 8. Acceptance Criteria — testable success conditions How many are REQUIRED depends on modes.workflow — all…

1 other project uses a version of this.

Adopted by

Steady: 0 new projects took it in the last 4 weeks, none the 4 weeks before.thin data

Week of Sep 13: 0 new projectsWeek of Sep 20: 0 new projectsWeek of Sep 27: 0 new projectsWeek of Oct 4: 0 new projectsWeek of Oct 11: 0 new projectsWeek of Oct 18: 0 new projectsWeek of Oct 25: 0 new projectsWeek of Nov 1: 0 new projects
Sep 2026Oct 2026Nov 2026
New projects taking a version of this file each week, over the 8 weeks our latest run read: only 0 in all, so this is a hint, not a trend.

Most recently taken up by

The file

We split this CLAUDE.md into the rules it gives an agent

5 rules. About 0 are common, 1 is distinctive, and 4 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈1

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 4

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    When authoring or editing files in this directory, follow these standards.

    line 3
  2. Very specific:

    Validation: Run /design-review [path] after authoring any GDD.

    line 40
  3. Very specific:

    Run /review-all-gdds after completing a set of related GDDs.

    line 41
  4. Very specific:

    Use /quick-design to author.

    line 46
  5. Very specific:

    Use /ux-design to author. Validate with /ux-review before passing to /team-ui.

    line 55

≈ “Common” is an estimate: at least 1 in 5 of the 26,980 CLAUDE.md files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
CLAUDE.md

Design Directory

When authoring or editing files in this directory, follow these standards.

GDD Files (design/gdd/)

The 8 GDD sections, in order:

  1. Overview — one-paragraph summary
  2. Player Fantasy — intended feeling and experience
  3. Detailed Rules — unambiguous mechanics
  4. Formulas — all math defined with variables
  5. Edge Cases — unusual situations handled
  6. Dependencies — other systems listed
  7. Tuning Knobs — configurable values identified
  8. Acceptance Criteria — testable success conditions

How many are REQUIRED depends on modes.workflow — all 8 at full; 5 at standard (Overview, Detailed Rules, Edge Cases, Dependencies, Acceptance Criteria, plus Formulas when the system has math); none at minimal, where design/game-brief.md is the design record instead of a GDD. Resolve the tier before flagging a section as missing — see .claude/docs/workflow-modes.md.

Three other places already encode the tier rule — .claude/docs/coding-standards.md, .claude/rules/design-docs.md and .claude/hooks/validate-commit.sh. This file is the copy a session working in design/ reads first, so it must agree with them: demanding all 8 at minimal warns a jam project about six sections its own configuration says it does not need, which trains the user to ignore the warning.

Section-name alias: the GDD template and /design-system author section 3 as ## Detailed Design; the standard calls it Detailed Rules. Same required section — accept either heading, never rewrite one into the other.

File naming: [system-slug].md (e.g. movement-system.md, combat-system.md)

Systems index: design/gdd/systems-index.md — update when adding a new GDD.

Design order: Foundation → Core → Feature → Presentation → Polish

Validation: Run /design-review [path] after authoring any GDD. Run /review-all-gdds after completing a set of related GDDs.

Quick Specs (design/quick-specs/)

Lightweight specs for tuning changes, minor mechanics, or balance adjustments. Use /quick-design to author.

UX Specs (design/ux/)

  • Per-screen specs: design/ux/[screen-name].md
  • HUD design: design/ux/hud.md
  • Interaction pattern library: design/ux/interaction-patterns.md
  • Accessibility requirements: design/accessibility-requirements.md

Use /ux-design to author. Validate with /ux-review before passing to /team-ui.

Accessibility requirements sit OUTSIDE design/ux/ on purpose. They are a project-wide standard the per-screen specs consult, not a spec for one screen. .claude/docs/workflow-catalog.yaml, the Pre-Production, Production and Polish gates, and /architecture-review all check design/accessibility-requirements.md at that exact path. Do not "tidy" it under design/ux/ — every one of those checks would stop matching, and the Technical Setup → Pre-Production gate would become unpassable. /ux-design states the same rule at its accessibility mode.

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