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
Celeste - Celeste is a platforming video game by Canadian video game developers Matt Thorson and Noel Berry.
Megaman Origins - Between MM3 and MM4 there was a MM adventure, never told, until now:
Ori and the Blind Forest - Ori and the Blind Forest is a superb, Platform, Action-Adventure, Role-playing, and Single-player video game created by Moon Studios and published by Microsoft Studios.
Meganoid - Retro-style 2D shooter platformer with randomly generated levels.