Originally Posted by Nanaki

3: Disabling the purchase of motherships until after you get the repainted (non-pirate) Mastiff, and disabling it again after you get your final mothership, will eliminate all of the issues with "World is unfair. Game over." error. The game only makes exactly 2 checks between the acquisition of the repainted mastiff and the acquition of your final mothership. One of these checks is in the optional Astarte mission, the other is in the outofmission.script file.