The trailer speaks volumes about what this indie homage to the NES era is all about, and if you were lucky enough to live during the heyday of these franchises on the NES then you know why Super Mario Bros. Crossover is amazing. Related Posts:Super Mario Bros. 2 Speed RunSuper Modern Mario Bros. - A Recreation of the…Nintendo's Shigeru Miyamoto Reveals How He Developed…Nintendo NES Super Mario Bros. 2 (Japan) - Longplay VideoSuper Mario Bros. Frustration.Nintendo Debuts New Mario Kart 8 Trailer