Mega Man Revolution - A fan-made 8-bit-style Megaman side scrolling shooter game.
Fist Puncher - Team2Bit developed a great video game named as Fist Puncher is an Action-Adventure, Beat-em-up, Side-Scrolling, Co-op, Single and Multiplayer video game.
Megaman Origins - Between MM3 and MM4 there was a MM adventure, never told, until now:
Mother Russia Bleeds - Mother Russia Bleed is another Beat-em-up, Single and Multiplayer video game developed by Le Cartel Studios and published by Devolver Digital.
Hollow Knight - Descend into the Dark Venture down into a beautiful, ruined world of insects and heroes
Foul Play - Foul Play is an Action-Adventure Beat-em-up, Side-Scrolling, Co-op, Single and Multiplayer video game developed by Mediatonic and published by Devolver Digital.