YOU NEED ALL THE CUBES

Singleplayer Laser Emitter Button Pedestal Button Weighted Cube Fizzler Companion Cube Cube Button Goo Angled Panel Glass Panel Laser Catcher Stairs Glass Grating Piston Platform Tractor Beam Faith Plate Light Bridge Laser Field Tractor Beam Polarity Laser Relay Companion Cube Dropper Sphere Button Edgeless Safety Cube Edgeless Safety Cube Dropper Flip Panel