The impossible jigsaw puzzle has animated pieces that will drive you crazy. Pieces continually change to add to the challenge. Finished the starting piece count? Ramp it up with more pieces and start again!
Use your mouse to move and connect the pieces together. Rotate pieces with buttons on bottom.
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.