I like the change in the axis used. I admit that it's a bit challenging to get started but after you air borne, the game is fun. Good job.

@CallMeTheCaptain Source Code is up. Does anyone have any suggestions as to how I can fix the wombat problem?

Good game but what is the purpose of posting the number of lives? Also you should design a penalty such as a point deduction that is incurred when the gray object is brought to either side of the screen.