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.
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.
Secret Maryo Chronicles - Secret Maryo Chronicles is an Open Source two-dimensional platform game and is using an Open Graphics Library for the best possible graphic design and stock performance.
Hollow Knight - Descend into the Dark Venture down into a beautiful, ruined world of insects and heroes
The Swapper - The Swapper is an Amazing, 2D, Science-Fiction, Puzzle, Platformer, Action-Adventure, Side-scrolling, Exploration, and Single player Space video game by Olli Harjola, Facepalm Games.
Machinarium - Machinarium is independent puzzle / adventure game by Amanita Design