Level 3 is the easiest? I don't think so, but it's hard to judge for me as I know the game so well.
Collision detection and response could be a little better, but I think for a small platformer like this it is sufficient.
Yeah, there actually is some friction while in air, but it's realy minimalistic to make it harder to land on smaller platforms.
Trust me I played through it so often that I will remember the background music for the rest of my life and it is solvable! Just think a little longer about it. Others had problems with figuring this out too.
Yeah I know dabbertorres. I'm not a very experienced Linux user so I couldn't figure out how to link the libraries correctly so I had to write a launch script that sets the library path.
Not having a pause menu was actually a key element of the game, because I wanted the game to be very stressful. That's why the sounds are so annoying.
Thank you very much for the feedback!