Mari0 - What happens when you mash Super Mario Bros. and Portal together?
SuperTux - SuperTux is a classic 2D jump'n run sidescroller game in a style similar to the original Super...
Super Mario Bros. X - The greatest fan-made tribute to Super Mario of all time!
Super Meat Boy - Let's start with what's the same: Dr. Fetus is still a jerk, gameplay is super challenging but fair, there are tight controls and great levels and you will die. a lot.
Mushroom Kingdom Fusion - A massive crossover Mario-esque fangame from way back, now back from the dead. Relive the nostalgia
Toki Tori - The gameplay in Toki Tori is a blend of two genres.