OTTF Category:Online Puzzles Games Description: OTTF (One Two Three Four) - a logic game where it is necessary to place the chips, as shown in the game template. The game has two game modes: the play for time and a free regime. In a game more than 70 levels. Pleasant music. This game is online. Tags: Developer:Tofper Instructions: Check inside the game for instructions on how to play OTTF.