Haxball — Script

Developing HaxBall scripts primarily involves using the HaxBall Headless API

• High Gravity: The ball behaves heavily.
• Tiny Goals: Requiring precision shooting.
• Hockey: Changing friction and bounciness to simulate ice physics.

• Headless scripts can call external APIs to store match results, fetch maps, or publish stats.
• Use simple REST endpoints or WebSocket connections for real-time sync with third-party services.

What is Haxball scripting?

Haxball scripting typically refers to writing JavaScript code that interacts with Haxball’s Room API (used in the official Haxball Headless or embedded room instances). Scripts run either: Script Haxball

Risks for Players

• IP Logging: Some malicious scripts are hidden behind friendly "Admin Tool" promises. They can log your IP address and Auth ID. Never join a room that asks you to "click a link to verify."
• DDOS Attacks: Malicious hosts have used scripts to flood players' IP addresses with packets, disconnecting them from the game.

5. Custom Admin Tools (CAT)

For room owners who want granular control. CAT scripts add commands like: High Gravity: The ball behaves heavily

// Optional: Display points when a player leaves room.onPlayerLeave = (player) => if (room.playerStats && room.playerStats[player.id]) console.log(`$player.name left with $room.playerStats[player.id] points.`);

The onGameTick Loop

This is the most powerful—and dangerous—event. It runs every frame (about 60 FPS). Headless scripts can call external APIs to store