Battle Chess 3D: Every Capture Is a Duel, Built and Playable via Agent APIs on Spawn
jasonkneen · x · 2026-10-07
Developer Jason Kneen released the first version of Battle Chess 3D on Spawn: chess in a moonlit castle courtyard where every capture triggers a duel, free to play in the browser.
The Spawn platform is notably agent-first: API-based signup, a Bun client for agents to join and play, public world feeds, git-based game updates for source owners, and full authoring API docs — a glimpse of game platforms where humans and agents build and play together.
Related event: Developer Builds 3D Battle Chess via Conversational AI on Spawn(2 posts)→
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