Once I figured out how to launch, it was pretty good. Wish there were more impact and kill sounds.

Fun little game. I  did find some bugs however;

Sometimes the red enemy spawns too far off screen so you  can't damage it. effectively soft  locking the player. Also,  ground detection would fail if you launched the player without leaving the ground collision, removing the ability to move or launch again until the player was hit by another object. 

Very fun  launching mechanic, but the game is a little broken and I got stuck on the edge of the screen. Static Enemies spawning on the edge also were a little confusing.