Nice idea, but you should have playtested it before submitting ;)
- WASD work for left right but not for jump, arrow keys work fine.
- Can't read the whole text in the beginning
- can't see the healthbar
- At first I thought it was on prupose, but on your screenshot there is a healthbar
What I really like is the simplistic artstyle of your character. Maybe more simplistic would have been even better, for example everything in just black and white.