This was a really fun little mini-metroidvania!
The combat was basic but engaging--but the real meat was in the traversal mechanics.
Movement was responsive and intuitive, and the movement upgrades felt really nice to play with. Plus--this being a metroidvania--each opened up new areas.
The art was retro in a way that I found pleasing--especially in the 3D-rendered (or maybe stop-motion) enemies.
In terms of duration, the game was short--but in that, didn't outstay its welcome.
My only real complaint is that I found the audio effects to be a bit harsh at times.
But even that was nowhere near enough to spoil what was otherwise a really good time. ^_^