that last level is annoying, I kept losing planets because of the cpu's superior multi tasking, so I started launching attacks randomly until the lag was so great that i was thinking faster than the cpu.
the physics on the throw (drop) are fun, by going up and down/ side to side you can slingshot him, I got him over that wall that is always on the right, it's pretty short.
scientist: I've finally done it! I have created an invincible tank! It has but one weakness.
Aid: what is that?
scientist: the color blue, I hate that color.