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".
Shipwreck on the Norwegian Coast, Johan Christian Dahl
Adele Bloch-Bauer's Portrait, Gustav Klimt
Bison in the cave of Altamira
Ceiling of the Cathedral of Aachen, Germany
Still Life with a Blue Jug, William Somerville Shanks