Description: OTTF (One Two Three Four) - a logic game where it is necessary to open cells in hexagon board, as shown in the game map. Full game with 40 levels. Pleasant music.

Instructions: -To complete each level you must make the numbers in the game board cells match the numbers on the map. -When you click any empty cell it gets the number 1. -When you click a cell adjacent to a number cell, the number increases by one. -You cannot click on a cell which already has a number in it.