This was one of the ideas I had in mind too. Reminds me of Titan Souls - which also had the single arrow mechanic, but in that game you could return it by pressing a button. Definitely check it out if you haven't already!

Great use of the limitation with once arrow, it made for a fun mechanic. Could probably use some sound or music but it was fun regardless, nice work!

It's so simple but somehow I liked to walk there. 
The idea with one arrow - I like it. It makes it more satisfying to shoot into a corridor with a lot of enemies. 

The movement is smooth and the gameplay is good.