Defeated Atropos! Set-up used: (Everything Maxed)
Rank 5 Armor Class
Ship Modifiers: Shield, Warp Core
Bomb Modifier: Leech (MOST IMPORTANT)
Outer Weapons: Rockets with Affliction + Split
Inner Weapons: Plasma with Splash + Split
All weapon spreads as tight as possible
Hope this helped! It was the best set-up for me, and believe me, I tried MANY!
One of the real problems of this game is that the amount of units that can be bought it controlled by food. The game would be a lot better if I could buy as many units as I wanted, as the unit limit makes it hard to keep track of how many you can buy.