Find a number between 1 and 999 with as few tries as possible. This game allows you to train and thus the dichotomy in mental arithmetic.
Using the mouse, click on the keypad numbers to form a number between 1 and 999 then click ENTER to confirm your choice or CL to correct the entry.
(Automatic translation)
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.