: Jack can jump upwards to a maximum height of three blocks . He can fall from any height safely, provided he doesn't land in water.
: Push or pull blocks to crush enemies horizontally against other blocks or walls.
: Jump directly onto the heads to crush them from above. Jack Attack (USA, Europe)
: You earn points for every enemy destroyed and every time you move a block.
The game is played primarily with a joystick to move Jack and manipulate blocks. : Jack can jump upwards to a maximum height of three blocks
: Press the Fire Button while moving the joystick to push or pull a block. Jack can move one or more blocks simultaneously depending on his position.
: Use the blocks to build stairs or bridges to reach out-of-the-way platforms for the point bonus. : Jump directly onto the heads to crush them from above
: Enemies can float on water and move freely, but they cannot move through blocks or barriers. They speed up and become more unpredictable the longer you take to complete a level.