A time travel logic puzzle. 1 to 3 players take up the role of Protagonists, with the ability to travel through time and change the past. But this time, something goes wrong. 1 additional player is the Mastermind, who seeks to ensure something goes wrong. It's up to the Protagonists to discover the loss conditions of the gameboard and avert tragedy before the time loop becomes too unstable and they are no longer able to change it.