Through walls 3D - puzzle game

Through walls 3D is a free online flash game of the category puzzle games.

It's like shoving a round peg into a square hole, but more complicated. Find the position that lets the piece fit through the hole in the wall. Game have 40 levels.

WASD or Arrow Keys = Rotate. Space = Send through wall.

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.