TheXTech - SMBX engine, rewritten into C++ from VisualBasic 6.
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.
Super Mario Bros. X - The greatest fan-made tribute to Super Mario of all time!
Hollow Knight - Descend into the Dark Venture down into a beautiful, ruined world of insects and heroes
Fancy Pants Adventures - Sidescrolling platform adventure featuring stick-figure graphics and parkour gameplay.
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.