Does it have a win condition? I got to what I assumed was the core of the earth, but it kept going. At 150 something I nudged a wall and lost. Overall a fun concept, but the insta-kill on the birds was a bit frustrating until you got a hang of it. Also getting killed for going off screen. Would be cool if you just wrapped around to the other side! Solid work though!
Here's how I've done after a few tries :)