Probably SDL and C :)

Unity

unity like always

construct 3

Godot for me. 

Godot

Scratch

Gonna go with Godot

unity, but I'm a beginner so we'll see how this goes...

Unity for me

unity

unity unity unity unity unity UNITY ONLY

Raw code in c++

I'm gonna go with löve2d, perhaps could turn out a little more challenging than it should but hey, it's for fun

Unity, but I'd love to try Godot some time

Unity

Godot, and Inkscape for graphics

Unity

I'm using Godot

looks like most people are using unity