I'm going to be doing full game walkthroughs for all NES games on the Switch, and what better way to start off than with Super Mario Bros.?

This game needs no introduction - it's the 1985 platforming game that made Mario the gaming icon that he is today.

This guide shows all 32 levels in the game, worlds 1 to 8, without using warp zones.

Nintendo Switch NES games playlist: https://www.youtube.com/playlist?list=PLtA3RKX1_Yx2wIIrOXVsz96qN6bfQeQKH