You will be randomly paired with either a real person from around the world or an advanced AI bot (powered by models like GPT-5 or Claude).
After the time expires, you must select "Human" or "AI." You will then see if you were correct. Tips for Identifying AI Human or Not Free Download
The core game is and does not require registration, though creating an account allows you to save stats and appear on leaderboards. You will be randomly paired with either a