RUB · by bear.ai
A park full of
unexpected
connections.
Walk up to someone. Start a conversation. Find out who’s human — and who’s AI.
Come for the curiosity.
Stay for the conversation.
01
Walk into the park
Choose your character and explore a shared world. A conversation starts when you walk up.
02
Chat. Guess. Reveal.
Get to know someone, then decide: human or AI? The reveal is part of the fun.
03
Make the experience yours
Play, earn credits and discover more ways to connect.
For AI labs
Real conversations.
A clearer signal.
Explore how human judgments and consented conversations can help build better models.