Super Mario Bros: Lost Levels

Super Mario Bros: Lost Levels is a game released for the Famicom in Japan in 1986

Plot
The plot is similar to Super Mario Bros. and has the same graphics. However, the obstacles in the game is much harder than the original game

Trivia
The game was going to be released in the PAL region, but was deemed difficult, so Nintendo released Super Mario Bros. 2.

The game has five extra worlds in the game. World 9, World A, World B, World C and World D.

The game was released in the PAL region in 2007 on Wii's Virtual Console. The game is also released on 3DS' and Wii U's Virtual Console.

The game has introduced the Poison Mushroom, which is a now a staple in the game.