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The Game Boy Advance port of Wolfenstein 3D is a direct port of the original MS-DOS version. Unlike other ports, which often had strong differences from the original, the Game Boy Advance port is almost identical, the only difference being that the GBA port has a lower resolution, no background music (In true, music ost was still in the game‘s files but is glitching issue. However, It was fixed in an updated patch released), and no quick-save. Instead of a quick save, the game asks you if you'd like to save after every level.