So I've had some free time the last couple of weeks thanks to a summer break and merciful geometry class. Instead of using the time to beat another game I decided to make one. I've been wanting to tear into Unity for a long time now but finally took the plunge. I must say, I feel a career shift coming on.

Anyway, I spec'd out some very basic gameplay for the purpose of teaching myself the ropes. It's basically a first person angry birds with a puzzle element instead of physics. I'm kind of at a flat spot as far as ideas go so I thought I'd open it up to you guys.

Here's what I have so far. It's all primitive shapes since I'm just focused on code atm so pay no attention to the graphics.
click to start, move your mouse, try to hit the back wall. Repeat.
http://joelstransky.com/lab/RocketWall/RocketWall.html

So where should I take it from here? What's required to clear the stage? Tear it up.