From the deck of 52 CARDS, Guess if the next card is higher or lower than the previous one.
1. Press UP if u think the next card will be HIGHER or DOWN if u think it will be LOWER.
2. ACES are the LOWEST.
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.