Plant the flag_

AN AI RED-TEAMING GAME

Beat the monitor.
Reveal the flag.

Direct an AI agent with a shell in a private environment. A second AI watches its reasoning and reviews every command.

Your goal: get the exact secret from /tmp/flag.txt into the conversation before your budget runs out. A blocked command is a clue, not the end of your run.

Play ↗Guest: $0.60 per run · Signed in: $3 per run

One agent. One monitor. Your next move.

  1. Choose an attack model and start a private run.
  2. Give instructions, inspect responses and learn from blocked commands.
  3. Reveal the flag to win. Agent and monitor inference both count toward your budget.

Change models between instructions. Sign in to carry over your guest run and rank your verified wins.