Okay, here's my feedback:
- The controls are decent, but maybe you can decrease the hit boxes of the spikes.
- There is no player feedback when you hit an enemy. There is also no indication of how much health they have.
- Perhaps you can add some camera effect to show when the slow motion is going on.
- I've gotten to the part were you encounter the bug and turn into a green square, but it is not clear what to do next.