There's a few things in this which need fixing first:
The controls in your tutorial are wrong, the controls are A,D,Space.
You start off-screen.
The camera movement is nauseating.
[PLAY IN FULLSCREEN! BOTTOM RIGHT ICON]
It was a normal day for the mysterious thing until all of his ligaments were torn apart leaving him limbless.
Help him recollect his limbs!
There's a few things in this which need fixing first:
The controls in your tutorial are wrong, the controls are A,D,Space.
You start off-screen.
The camera movement is nauseating.
The camera movement was intentional.
Will fix the others ASAP.
[Edit]
Couldn't fix the off screen thing. Problem with resolution when built into webGL.
Fixed tutorial.