Yars' Revenge is a video game released for the Atari 2600 in 1982. It was created by Howard Scott Warshaw, who also wrote the 2600 titles Raiders of the Lost Ark and the much-derided E.T. the Extra-Terrestrial. Yars' Revenge was Atari's best selling original title for the 2600.
The game began as a licensed port of the Cinematronics arcade game Star Castle. In the original game, a powerful cannon is protected by three layers of counter-rotating shields. The player must shoot holes in these shields in order to destroy the cannon inside. But once these holes are made, the cannon can also shoot out at the player. If the outermost layer is completely destroyed, new layers of shields are grown. Harassing the player are three free roaming mines that hunt out the player's ship.
As the Atari version grew, change after change was introduced until the final product had very little resemblance to the original. In this game, the hero (a Yar) is an insect-like creature who must nibble or shoot through a barrier in order to fire his "Zorlon Cannon" into the breach and destroy the evil Qotile, which exists on the other side of the barrier. The Qotile can shoot at the Yar even if the barrier is