The head is in a fixed position on the level. You cannot move the head. Your task is to slide the remaining pieces into their correct position under the head, then push the master power switch. If you have correctly assembled the monster, it will come to life!

The body parts may be rotated, in which case you have to find a way to rotate the parts into the correct orientation before assembling the monster. Igor, Pusher Robots, Gardener Robots, pushers, and mummies may all push body parts. Puller Robots may pull body parts. Body parts can be moved across inactive powered floors. If a body part is resting on a touchplate, the corresponding t-door is lowered. Body parts may only pass through a lowered t-door. Body parts may also enter conveyors.

If a body part is moved onto a gear it will rotate 90 degrees. Also, if a body part is moving along a conveyor, the part will rotate if the conveyor changes direction. For example, if a north-going conveyor connects to an east-going conveyor, a body part on the conveyors will be rotated clockwise.

The monster parts are fairly heavy, so you can only push one piece at a time.

They are also big. Therefore, they will not go through doors or fall into pits, and they are blocked by floor flasks, switches, hurdles, lattices, workbenches and walls. The pusher is a great helper for moving body parts, and body parts can be teleported and travel along conveyors (very handy!)