Mega Man Revolution - A fan-made 8-bit-style Megaman side scrolling shooter game.
Hollow Knight - Descend into the Dark Venture down into a beautiful, ruined world of insects and heroes
Megaman Origins - Between MM3 and MM4 there was a MM adventure, never told, until now:
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.
Mega Man Rock Force - Megaman Rock Force is a fan-made game designed to mimic the look and feel of classic 8-bit Megaman...
Botanicula - Botanicula is a point-and-click adventure game developed by Amanita Design.