The Mii characters in Wii Sports don't have individual names; they are simply identified by their appearance and the player's chosen profile picture.
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The sound effect for the aliens' laser fire in Space Invaders was created using a simple tone generator and a recording of a single laser shot which was then looped.
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In Metal Gear Solid 3: Snake Eater, the boss fight with The End can be won without firing a single shot, by simply waiting for him to die of old age.
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