Enter Arena
Choose your battle
Every command is a prompt. Your AI interprets it; the ARENA engine decides what happens.
Fastest start
Quick battle
FIRST CONTACT against the Training Commander. 10×10, 12 turns, ARENA Training AI on both sides — no setup, no cost.
Two minutes
Tutorial
Learn to select units, read the map, write and lock a command, read the AI's interpretation and capture an objective.
Learn the basicsHumans vs humans
Create a battle
Pick OpenAI, Anthropic, xAI, Gemini or the Training AI, set the timer, invite up to four commanders per team.
Declare battleGot a code?
Join battle
OPEN LOBBIES
Watch live battles →No open public lobbies right now. Declare one and share the challenge on X.