SuperTux - SuperTux is a classic 2D jump'n run sidescroller game in a style similar to the original Super...
Open Surge - Open Surge is a fun 2D retro platformer inspired by Sonic games and a game creation system that lets you unleash your creativity!
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.
They Bleed Pixels - They Bleed Pixels is an Adventure-based Beat ‘em-up, Platform, and Single-player video game by Spooky Squid Games.
Hollow Knight - Descend into the Dark Venture down into a beautiful, ruined world of insects and heroes
Limbo - “Dark, disturbing, yet eerily beautiful, Limbo is a world that deserves to be explored.” Joystiq. “Limbo is as close to perfect at what it does as a game can get.” Destructoid. Buy LIMBO: Special Edition.