Overview

A real-time multiplayer typing platform where users compete in live races with minimal latency.

Key Features

• Real-time multiplayer: WebSocket-based communication
• Private lobbies: Custom rooms for players
• Live leaderboard: Instant updates across users
• PWA support: Installable app experience
• High performance: 95% Lighthouse score

System Design

• WebSocket server handles real-time communication
• Redis used for session state and pub/sub
• Each game room isolated for scalability
• Optimized payloads for low latency

Challenges

• Handling concurrent updates across players
• Maintaining consistent state
• Reducing latency below 100ms

Results

• Supported 60+ concurrent users
• Achieved under 100ms latency
• High performance and scalability