How many versions of FC classic game Super Mario Bros. are there on FC host?

1, Mario Bros. (first generation plumber), this is not the game you are looking for;

2. Super Mario Brothers (that is, the most classic mushroom picking), this is 1 generation Super Mario Brothers, with Mario and Luigi; As the protagonist;

3. Super Mario Bros. 2, this is a dream version of the open world. The four protagonists, except Mario and Luigi, joined peaches and Meimei;

4. Super Mario Bros. 3, restored Mario and Luigi, made new props such as leaves+frogs+wombats+flutes, and changed the gameplay (this version is also available on SFC).

5. The rest are revised versions and have not been officially released.