Individual skill

cloudflare-do-turn-based-multiplayer

Design, implement, debug, or verify a remote turn-based multiplayer game whose rooms run on Cloudflare Durable Objects. Use for room and invite identity, reconnectable seats, WebSocket hibernation, concurrent turns, action idempotency, revision conflicts, or cross-browser game-state agreement. Do not trigger for generic Durable Object applications or local-only games.

cloudflare-do-turn-based-multiplayer/SKILL.md

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Nov 9, 2026
License
MIT

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# Cloudflare DO Turn-Based Multiplayer

Model each room as one server-authoritative state machine. Keep the deterministic
game reducer independent from Cloudflare transport so rules and concurrency can
be tested without Wrangler.

## Establish authority

Before editing, identify:

- the room's deterministic Durable Object ID;
- the public room code and any private invite credential;
- how a device resumes and which seats it owns;
- the persisted room revision and action identity; and
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