Last Command | Fight Until You Fall

AI Settings

Anthropic API key

Stored only in this browser. Battles call Anthropic directly with your key — there is no game server. Get a key

Battle AI model

Claude Opus 4.8 — richest battles

Best tactical reasoning and narration. ~20–50 cents per battle.

Claude Sonnet 5 — balanced

Near-Opus quality at lower cost. ~10–20 cents per battle.

Claude Haiku 4.5 — cheapest

Fast and cheap; simpler narration. A few cents per battle.

Save data

Your war lives in this browser. Export a save file to back it up or move devices.

Clearing browser data deletes your war — export first.