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Achtung! Die Kurve!

A browser-based take on Achtung! Die Kurve! with local shared-keyboard play, CPU opponents, spectator support, and LAN multiplayer through a small relay.

2026 Game developer
  • TypeScript
  • CSS
  • JavaScript
  • WebSockets
  • Canvas
  • Vite
Achtung! Die Kurve! project cover

What it is

Achtung! Die Kurve! is a browser game inspired by the classic shared-screen curve battle. Players steer growing lines, avoid collisions, and try to survive longer than the others.

Technical focus

The hard part is keeping the surface simple while every play runs behind it. Local play, CPU drivers, spectators, drop/rejoin flows, and LAN play all need to share the same game rules without turning the browser app into a fragile pile of special cases.

The LAN implementation uses a host-authoritative WebSocket relay so the game can work inside an office network without requiring a heavyweight .

Current state

An office LAN hobby project. Recent work has gone into spectators, drop and rejoin behavior, and CPU tuning.