Yars' Revenge is a video game released for the Atari 2600 in 1982. It was created by Howard Scott Warshaw. Yars' Revenge was Atari's best-selling original title for the 2600, although it was outsold by the licensed game Pac-Man.
The player controls an insect-like creature called a Yar who must nibble or shoot through a barrier in order to fire his Zorlon Cannon into the breach. The objective is to 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 undamaged, by turning into the Swirl. The player is warned before the shot is fired, and he can retreat to a safe distance to dodge the enemy's energy blast. The Yar can hide from a pursuing destroyer missile within a 'neutral zone' in the middle of the screen, but the Yar cannot shoot while in the zone. The Swirl can kill the Yar anywhere, even inside the Neutral Zone.
Each level ends with the destruction of the Qotile or Swirl. Odd-numbered levels have a stationary shield protecting the Qotile; even-numbered levels have a rotating shield protecting the Qotile. The destroyer missile follows the player faster as levels progress.
- At 70,000 points, the Qotile's shield turns blue and the swirl's firing frequency triples, sometimes firing instantly.
- At 150,000 points, the Qotile's shield turns gray and the swirl returns to normal firing frequency, but it will begin acting as a guided missile.
- At 230,000 points, the Qotile's shield turns pink and the swirl's firing frequency triples again, sometimes firing instantly and still acting as a guided missile.
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