Cold Case No. 1 · Cold Case · Free with your email
The Chess Club
An old Boston chess club. The last round of the championship. The champion played the move of his life, walked into the next room, and never came back to the board.
30–40 min · No app, no sign-up · Plays on your phone
How it works
Read the evidence, question the suspects, and make your accusation: who did it, why, and the evidence that proves it (up to three documents). You get an instant verdict. Every case is fiction and fair — solvable from the evidence alone.