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 * In Super Mario Bros., if the player manages to get 129 or more lives, they will receive an instant Game Over should they die again. The game somehow interprets this as the player having a negative amount of lives; this is likely due to data overflow.
 * In the Frantic Factory level of Donkey Kong 64, an original arcade machine can be found. If Donkey Kong has learned how to pull levers, he can play the original game (as Mario, though). In order to reach King K. Rool, this game must be completed twice up to the last level, with Mario starting out with one life and able to gain one more each per 10,000 points.
 * In the Game Boy remake of Super Mario World, a player can earn a maximum of 9,999,990 points.