 Enemy monsters inhabit the levels , but the player can crush them by flattening impassable blocks against them . The player may also encounter <unk> in the form of alarm clocks that will begin to <unk> when crushed for the first time and can only be stopped when Danny jumps on them . Danny wakes from his mental <unk> if he falls off the level or too high of a surface , is touched by a monster , or fails to stop a <unk> , but the C.R.U.S.H. device <unk> him at the start of the level or the last <unk> Danny passed . 
