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.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Hollow Knight - Descend into the Dark Venture down into a beautiful, ruined world of insects and heroes
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
SuperTux - SuperTux is a classic 2D jump'n run sidescroller game in a style similar to the original Super...
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.