In search of the cube

Singleplayer Laser Emitter Button Pedestal Button Weighted Cube Weighted Cube Dropper Fizzler Companion Cube Cube Button Goo Angled Panel Laser Catcher Stairs Glass Tractor Beam Faith Plate Light Bridge Laser Field Laser Relay Turret Speed Gel Bounce Gel Companion Cube Dropper Cleansing Gel Conversion Gel Sphere Button Edgeless Safety Cube Edgeless Safety Cube Dropper Flip Panel Franken Cube Franken Cube Dropper