The title page says still in development - I hope that is because you plan to continue with this little gem!
The game definitely has aspects to it that tell you it was made in a game jam - the boost when you get through a door is a bit too zippy for example and it can be disorienting (or maybe that's the point?), and z and shift are a bit too close together for my comfort for controls, but otherwise this was pretty gosh darned fun.
Might be my favourite one I've seen so far! Well done. :D