A screenshot of New Super Mario Bros U for the upcoming Wii n. side-scrollers; adj. side-scrolling
n., a genre of video game, arcade-style, in which the action occurs on a usu. flat plane, with characters and environments moving left and right across the screen; famous side-scrollers include the Super Mario Bros series (platformer game), Defender (scrolling shooter), Ecco the Dolphin (adventure game), The Lost Vikings (multi-character platformer), and the MMORPG Maple Story.

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