Use arrow keys to move the camera or activate the joystick from the menu.
You can zoom from the menu or press keyboard keys "Q" and "A".
To change the number of pieces select the horizontal and vertical amount from the menu and then press "Create".
Snow at Kisoji, Utagawa Hiroshige
Susannah and the Elders, Albrecht Altdorfer
Lerdal Soeren Fjord, Themistokles von Eckenbrecher