If you don't want to bother playing this game and are just going to get the badges (something I'm not recommending, great game IMO), just get slots first, then 3rd weapon, then aim for 3rd ship, then pick the sonic waves, then the frag bombs. Keep upgrading frags till you are unbeatable.
Round 91... It gets interesting past round 80 =) BTW, Mauler Missile with Fire ring is a lethal combo.
5/5 game, please add a quality button or something to improve the framerate!!
I love the use of dynamic music in this game, the changes between moments of "space relax" and "epic warfare" is so smooth.
Plus, the gameplay is simple yet challenging, and the freedom of choice makes this game overall a 4/5. If only it was a little more long...