Mario Bros.: HellBros is a modification of the original Mario Bros. game for the Nintendo Entertainment System, known for its extreme difficulty. Features include accelerated enemy speeds, altered color palettes, new graphical elements, and a revamped title screen and music. This challenging hack provides an intense experience for players seeking a tougher version of the classic game.
Ultra hardcore mode in which Mario goes into this hellish difficulty hack for this classic
-Ultra speeded up enemies
-Almost all palletes changed
-A few new graphics added
-Title and title theme changed
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