Since we only use one button, it really fits the theme. The visuals could be better, but that is not huge complaint since they suit just fine. Having sound effects and music would a lot to this game. The level design is best part of this game.
The only part I didn't understand fully was how to change directions efficently (like when I'm moving horizontally, pressing the spacebar makes me walk in the other direction horizontally and not vertically), so it has really hard to progress through the game. Could you explain to me how to do that?