Crash Game — Senior Game Engineer Challenge

A provably fair Crash game (Aviator-style) with a rocket/space theme. Built as a technical challenge for the Senior Game Engineer position.

Read CHALLENGE.md for full instructions.

Quick Start

pnpm install
pnpm dev

Open http://localhost:5173 — server runs on port 3001 automatically.

Tech Stack

• Canvas: PixiJS 8 + @pixi/react
• Animation: Rive
• UI: React 19 + Tailwind CSS 4
• State: Zustand 5
• Server: Fastify 5 + WebSocket
• Build: Vite + TypeScript (strict) + pnpm workspaces

Scripts

Command	Description
pnpm dev	Start server + client
pnpm test	Run all tests
pnpm build	Build all packages

Project Structure

apps/client/       → React + PixiJS + Rive frontend
packages/server/   → Fastify game server (WS + REST)
packages/shared/   → Shared types + Zod schemas