I tested this over the holidays on Nightmare mode. Flawless in almost every chapter but a few:
Chapter 6: When you use the Tuner on the computer to activate the evac procedure it crashes unless you replace the CIVILIAN.BML beforehand. It can be replaced by the No Enemies one after the chapter is over.
Chapter 7: No crashes, but the ANDROID.BML should be replaced with the default one or the helpful droid won't open the door for you. He just stands there. Once again, it can be replaced once the activity is completed.
Chapter 9: Your shipmates will not leave the cargo bay unless CIVILIAN.BML is again replaced with default. You can walk all the way to the first obstacle (and even have the dialogue play out) but can't continue
Chapter 11: This is a mess. Every file associated with people must be at default (tested multiple times with different combinations). These are: BASE_HUMAN.BML, CIVILIAN.BML, INNOCENT.BML, MELEE_HUMAN.BML, RIOT_GUARD.BML and SECURITY_GUARD.BML. Droids can still be neutral, although the actions will still play out and the humans will shoot the non-threatening bots while they stand there and take it. Personally I activated droids at certain points and re-neutered them to take out the humans so I could move effortlessly. Can be deactivated at the end of level again.
And that's all! The rest of the game went very smoothly, even the humans later on did not need to be 'defaulted' again. Aside from those chapters, it's all good. Played it a few times before normally, and even with enemies taken out, it was creepy as he**. The alien still falls down from the shafts, especially towards the end of the game, and stalks for a while, so there was always that thought of "OMG is this where the hack fails?!" happening. Signs of both a good game and great mod!
EDIT: Oh, and never try to melee an android for the achievement or any other reason, that makes the game crash as well!
Solostaran1701
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