Atari Video Computer System / 2600


· During the game the lower two digits contain the overflow digits (so the real score could go up to 99,999,900 points!).  The full score counter (xx,xxx,xxx) is represented as:  (AB),xxx,xAB during a game.  But when a game ends, those two digits are rewritten. The last digit then contains the game variation #, subtracted by 1 and the other one contains the first *visible* score digit (except for game #4, there it's always 0). So all information about scores over one million is lost.  In other words, after the game ends the score counter is:  xxx,xAB  where, A = first visible score digit, excluding 0's; if playing variation #4 then A will always be "0"; B = game variation #(1, 2, 3, or 4) - 1  (Ex. playing game #1, last digit will be "0").  This rollover scoring "glitch" is intentional, though it’s unknown why this was done.

· The maximum # of credits you can have is 255, after which it rolls over to 0.  Every 10,000 points earns you a free “credit” towards rebuilding any destroyed parts of the city (at the end of a wave).

· FRYING: Causes all ships to be the same type, and to fly from left-to-right only.  The Imagic logo will disappear and the game will start automatically. {Scott Stilphen}

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