Used by the routines at MOVE_ARCS, MOVE_ACTOR, MOVE_BAT, MOVE_HOPPER, MOVE_FACE, MOVE_GHOST, MOVE_WITCH and MOVE_FACING_FLYER.

The two-instruction path taken when a small creature's proximity test succeeds: LOSE_FOOD_THIRTY_TWO, then KILL_MONSTER. Being caught is expensive but destroys the creature and scores 155, just as shooting it does (measured in the simulator: five contacts, 160 units lost, 775 points).