Amazing concept and implementation. It was challenging but addictive, and the level design was really well done. That tunnel area was tough, and I managed to beat the game. Good use of checkpoints too. A few times I died because I ended up clicking out of the game window because of how close to the top I had to click, so I think a few areas like the zig zagging spike area toward the end would benefit by a camera that moves a bit up the closer you get to the end of it. Music was fun and energetic, reminds me of Sonic. Great entry!