is a platform-strategy game released in 1983/1984 for the Commodore 64 and Commodore 16 . You control Jack , a red creature who must defeat eight enemies per level by squashing them across 64 increasingly difficult screens. Gameplay Mechanics & Controls
: Some levels feature horizontal bars (barriers). If you jump on and "mark" all of them before the timer runs out, you receive a large bonus. These platforms often disappear after a certain time. Time Bonus : Completing a level quickly awards extra points.
: 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. Jack Attack (USA, Europe)
: Jack can be killed if a block falls on him or if an enemy jumps on him.
: You must kill eight "spinning heads" in every level to progress. is a platform-strategy game released in 1983/1984 for
: Water is fatal to Jack. However, you can push blocks into water to make them float, creating a bridge. Scoring and Bonuses
: 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. If you jump on and "mark" all of
: Jack receives a bonus life for every 20,000 points earned. Strategy Tips