What is the best ending in Prey?
If you spare at least 10 mind-controlled humans, you'll get a boost to your score. The crew will be saved during the 'Dahl's Ultimatum' quest. The 'Escape Attempt' quest requires you to complete it. The 'Mikhaila's Father' quest needs to be completed. In the 'Mikhaila's Father' quest, lie to Mikhaila.