Game Lobby

Family-friendly game platform for mobile browsers. No app install required.

Live: https://dicee.games

Architecture

Layer	Technology
Frontend	SvelteKit (Svelte 5) on Cloudflare Pages
Game Engine	Rust compiled to WebAssembly (45KB)
Realtime	Cloudflare Durable Objects with WebSocket hibernation
Auth & Data	Supabase (PostgreSQL, Row Level Security)

Features

• Solo & Multiplayer - Play against AI or friends in real-time
• AI Opponents - 5 difficulty profiles with distinct play styles
• Mobile-First - Touch controls, responsive layout, keyboard handling
• Spectator Mode - Watch games with live predictions
• Global Lobby - Chat, presence, room browser

Project Structure

packages/
  engine/        # Rust probability engine
  web/           # SvelteKit frontend
  cloudflare-do/ # Durable Objects (game state, lobby)

Development

Prerequisites

• Node.js 24+ (via mise or nvm)
• Rust 1.95.0 (activated by use mise in .envrc)
• pnpm
• wasm-pack

mise install
direnv allow
cargo --version
cargo clippy -V
pnpm check:rust
cargo test --manifest-path packages/engine/Cargo.toml

Commands

pnpm install
pnpm dev:full     # Frontend + DO servers
pnpm test         # 1800+ tests
pnpm build

License

MIT