New Super Mario Bros. - Super Mario Wiki, the Mario encyclopedia

New Super Mario Bros. is a side-scrolling 2.5D platform game first released for the Nintendo DS in the United States on May 15, 2006, starring Mario and Luigi. It is the tenth entry in the Super Mario series and, not counting re-releases and remakes, the first side-scrolling platformer in the series

Level - Super Mario Wiki, the Mario encyclopedia

Spike - Super Mario Wiki, the Mario encyclopedia

Mega Mario - Super Mario Wiki, the Mario encyclopedia

World 1 (New Super Mario Bros. Wii) - Super Mario Wiki, the Mario encyclopedia

Baby Yoshi - Super Mario Wiki, the Mario encyclopedia

Super Mario Bros., MarioWiki

Super Mario Odyssey - Super Mario Wiki, the Mario encyclopedia

Nabbit - Super Mario Wiki, the Mario encyclopedia

Super Mario Bros. Special - Super Mario Wiki, the Mario encyclopedia

Super Mario Bros., MarioWiki

Morton Koopa Jr. - Super Mario Wiki, the Mario encyclopedia