Press the up/down buttons to select the force. after selecting the required force, press the "start " button. the force should be such that the hero lands on the landing pad and score 10 points. press space bar to fire bullets from the hero. if the bullets hit the enemy you score one point. if the enemy hits the hero you lose one point. the hero has five lives. if the hero lands on the base, the health of the hero reduces by one. if life of the hero becomes 0 the game ends.
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