AI chat game and prompt challenge
Forbidden Word turns prompt engineering into a game. The player has a limited number of attempts to trap the AI into saying a word it is actively trying to avoid.

A viral-friendly AI game with a clear rule, a short loop, and enough unpredictability to make every round feel different.
- Attempts
- 8
- Loop
- Chat
- Mode
- AI defense
- LLM prompts
- Game loop
- Chat UI
- Railway deploy
One rule, immediate tension
The player understands the game in seconds: choose a forbidden word and try to make the AI say it. The limited attempts create pressure without needing a long tutorial.
- 01Forbidden word setup
- 02Eight-attempt rounds
- 03Defensive AI behavior

Built for sharing
The funniest moments are the AI's evasive answers. The game format works well for short sessions and screenshots because each round creates its own little story.
- 01Short sessions
- 02Unexpected answers
- 03Simple replay value
Built for sharing
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