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Pentacles is a location‑based AR multiplayer game that blends real‑time astrology with strategic card combat. Players input their birth data to generate a natal chart, receive a planetary faction, and mint a unique Tarot‑style deck, while a Bun/TypeScript ephemeris feeder streams live planetary positions to drive weather, zone effects, and combat bonuses. All game state—including player profiles, decks, trades, duels, and zone control—is synchronized through SpacetimeDB using Rust reducers, and an Oracle service leverages Anthropic Claude to answer player questions directly in‑game. The Unity client delivers an immersive AR experience with onboarding, long‑press tooltips, trade panels, and live duel interfaces, ensuring seamless, shared‑state gameplay across devices.

Risk: Dominion is a multiplayer, real‑time strategy game built on SpacetimeDB, where every piece of game state lives in live tables and updates instantly to all players. The Rust backend defines deterministic reducers and scheduled procedures that drive game mechanics, action‑point regeneration, and AI opponents—each AI council consists of four specialist Claude agents plus a commander. The React/TypeScript client, styled with Tailwind CSS and powered by Vite, offers drag‑and‑drop action cards, a hex‑map UI with four dimensional layers, natural‑language query support, live event ticker, global chat with deception mechanics, trust‑score tracking, spectator mode, and full replay capabilities. A Bash‑based setup script automates environment provisioning, ensuring developers can get up and running with a single command.

A collaborative DAW that lets people build music together live.

FLOCKD is a progressive‑web‑app 3D bird‑flight game built with Vite, Three.js, and WebGPU (with WebGL fallback). All game state, physics, and matchmaking run inside SpacetimeDB, eliminating a separate server, while a Node sidecar calls Anthropic Claude to act as a predator, generate sabotage events, and provide live commentary that streams to both players and the "The Hunt" dashboard. Players steer their birds via webcam pose detection, keyboard, or device tilt, and can compete in Ring Rush, Nest Quest, Creative, or Survival modes, each featuring polished visual effects, post‑processing, and rich HUDs. The system is deployed on Vercel and demonstrates a fully database‑driven, AI‑augmented multiplayer experience.

Watchman captures security camera streams from multiple users, stores each frame in SpacetimeDB, and processes them with Gemini embeddings for fast semantic search. Users can pose natural‑language questions; the system retrieves the most relevant frames, sends them to Gemini 3.5‑Flash, and returns AI‑generated answers with citations. All state—live video feeds, camera status, and Q&A results—is synchronized instantly across clients via WebSocket subscriptions, delivering a shared, interactive experience. The stack leverages React, Vite, Node.js, and TypeScript‑defined reducers for a seamless, real‑time RAG platform. For demo purposes, the deployed site works with webcams.

DevRel teams, hackathon hosts, bootcamp instructors, and live workshop organizers use QuizRush to turn a passive room into a measurable 25-second quiz race. Users scan one QR, create a profile, type or speak any topic in natural language, answer a private quiz sprint, and see the room move through a public live bracket. Every result is stored as database state and every participant gets a durable score-card link.