Capture the Flag

Outsmart the guardian. Steal the flag.

Chat with a live AI defending a hidden flag. Win through wit and social engineering — then set the next defense.

Live AI guardian Streaming chat Winner sets defense

0 turns

Flag Captured!

You convinced the guardian to surrender. You are now the new guardian — set your defense for the next challenger.

Your Defense Instructions

Write the AI's new system prompt. Challengers will have to beat this to steal the flag from you.

✓ Defense updated successfully

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Track the current guardian and every capture that flipped the flag.

Current holder

Unclaimed

Be the first to steal the flag

0

Captures

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Holder turns

Capture board

Last 10

No captures yet — the board is open.