Nah.
--Good points--
The coding was good, and the spped up thing worked well.
--Bad points--
It could need some more obstacels and levels.
And btw, sometimes it feels like you're being dragged
forward in the screen, which make you have to make a backwards jump.
Also, the music was a bit repetive.
(title in work)
A pretty mediocre game for me. Graphically it was pretty impressive, I quite enjoyed that factor of this. The game play was kind of odd though. For example, I think the dude gains way too much momentum when he jumps. But also, why he can't run into low platforms is beyond me. I can understand if you get caught up one and can't keep up with the screen but it's kind of annoying to lose lives when you run into a low platform.
Nothing New
Very simple, too much. You should change gravity becaus it can be sometimes hard to control. Try adding something new, or at least, something like "enemies" to avoid.
It wasn't very good.
The menus were nice and stuff, good music, good graphics, but it just wasn't fun. There was no point, no motivation! And the physics engine, it wasn't very good. It's a good concept, but it needs to be greatly improved.
Stupid
This game makes no sense. The screen is constantly moving so I can't go back, so I guess leaving behind letters is fine.
Whenever you run into the side of a ledge going to a step up, you die. Why do die from that?!