Granny Smith - Granny Smith is an Addictive, Action, Puzzle-Platform, Side-Scroll, and Single-player video game developed and published by Medicore.
Sword of Xolan - Sword of Xolan is a Marvelous, Action, Side-Scroll, Platform, and Single-player video game created and published by Alper Sarikaya.
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.
Megatroid - Megatroid is a gorgeous, Action-Adventure, Puzzle-platform, Side-scroll, Sci-fi, and Single-player video game developed and published by Triolith Entertainment AB.
Mari0 - What happens when you mash Super Mario Bros. and Portal together?
GameStart - GameStart is a software for creating 2D and 3D realtime applications.