In mode "Standard", push the button for the number being show in the center of the screen, before the time runs out. Each round the remaining time gets shorter.In "Mind" a sequence of numbers is shown, which needs to be remembered. Afterwards, the right sequence must be entered before the time runs out. In this mode, the remaining time also gets shorter each round.In the game "Pathfinder", a path has to be revealed on the grid. At the beginning of each round, the path is displayed for a short time, afterwards the grid will be cleared.Now the path has to be activated again by push the right fields on the grid.