Next time, .zip file please :)
Technically, this is an invalid entry, but since you played my game (at least it looked like you did!), I went ahead and downloaded the GD version.
I'm confused though, how was it related to the theme?
Overall, it was an okay "2D shooter", it got repetitive real fast though, there was no way to really replenish balloons, and I had no idea what that middle thing was for.