Its not a classic, but it will provide you with entertainment for a few hours.
Super Mario in Unknown Worlds is a fun platform game based on that famous plumber
An easier, more linear interpretation of the I Wanna Be The Guy difficulty scheme.
Yup another one of those great games that becomes freeware
A great Super Mario clone
It is by far the worst game ever made in under an hour.
This version of Mario is very similar to the original Nintendo version of Mario Bro's 3.
A truly amazing side scrolling platform adventure game for both young and old. A must download.
Play South Park's Cartman in this sidescrolling platformer
This is a remake of the classic Nintendo game Donkey Kong