level 39 is completely random, requires you to find pixel-perfect angle/power. doesnt require any skill, just requires you to try it a million times, poor design.
in games like this you should be able to fine-tune the angle like in Peggle with arrow keys
its extremely annoying in these types of games not to be able to restart immediately. you have the suicide button on the top of the screen, then the retry button appears in the middle. FRUSTRATING! 4/5 if you fix this (put a restart shortcut, "r")
i began with a 5/5 then 4/5 and now down to 1/5. the 4 tank level on survival is just so ridiculous, and you cannot beat it with any weapon other than rockets. its really terrible, do you test your games at all?
i dont understand how you are supposed to get past 12-13 of survival when there are turrets all around the perimeter and a ring of men or 4 tanks in the center. it is pretty ridiculous