Super Mario Bros. Special

Super Mario Bros. Special is the true "lost" game of the series, which was made by Hudson Soft for the PC88 series of Japanese PCs and officially licensed by Nintendo. SMB Special was the very first licensed sequel to Super Mario Bros. to appear, released a few months before The Lost Levels in 1986.

While superficially very similar to the original Super Mario Bros., the game features completely-original levels and lacks a screen-scrolling mechanism. Jumping and running physics also differ from the original, providing a more challenging experience than Super Mario Bros.

Due to the PC88's technology being slightly inferior to that of the NES/Famicom, the graphics and audio differ slightly from the original NES game as well, although they are closely emulated, and does not include Luigi or a multiplayer mode, despite the fact that Luigi appeared in The Lost Levels.

An effort to unofficially port the game to the NES, designed to eliminate the aforementioned technical issues and expose the game to a considerably-wider audience, is nearing completion.

New items

 * Hachisuke - Resembles the bee from the Hudson logo. If Mario finds this item, he will be awarded 8,000 points.
 * Hammer - The same power-up from Donkey Kong. It even behaves similarly.
 * Clock - Upon picking this up, Mario will get a "Time 100 Up" for the level's timer.
 * Wing - Collecting this causes Mario to briefly act as if he is swimming in the air.
 * Lucky Star - Found only in World 4-1, it has the appearance of an atom. If Mario collects it, all enemies on-screen will be killed.