Thumper is just a really good game. Even more impressive that it's a 2-man project and they build it on a custom engine.
https://www.youtube.com/watch?v=ih7L9mHBLDE

interesting talk about the development process:
https://www.youtube.com/watch?v=ckm8_SEIXQM

Still on a quest to find a good game that gives my hands something to do while I'm listening to podcasts. So far no winners.