Template:MechanicsNav

| list1     = CubesWeighted Companion Cube
 * group1    = Cubes

| group2 = Tubes | list2 = Vital Apparatus Vent

| group3 = Unused content | list3 = Crusher }}


 * group2 = Portal 2
 * list2 = Aerial Faith PlateChamberlockCircuit BreakerCrusherEdgeless Safety Cube ReceptacleExcursion FunnelFlingingGooHard Light BridgeHeavy Duty Super-Colliding Super ButtonLaser FieldMaterial Emancipation GrillPanelsPedestal ButtonPing ToolPistonPortalsPortal SpawnerShredderSurfacesThermal Discouragement BeamUnstationary ScaffoldVictory Lift

}}