It's been awhile since I've seen something that surprised me - I thought the ability to change your weight, friction, and impulse was very innovative! I enjoyed fine-tuning my suit to get through the platforming sections.
There are two things that occurred to me that I didn't realize as a player: I didn't realize my temperature was dependent on the energy I allocate and I also didn't realize I could double jump so I was stuck at the beginning for a bit of time. This could mean adding text at the beginning or incorporating some sort of tutorial level which could be helpful. Last thing I'd say is the last section is a bit unforgiving for the player to jump on 1 block platformers.
Overall, great job on the game! Very innovative and enjoyable to play regardless of my prior thoughts.