Whenever this game is mentioned, I still think about and regret my actions during my first playthrough of the very first mission in the second? game. You have a

Whenever this game is mentioned, I still think about and regret my actions during my first playthrough of the very first mission in the second? game. You have a choice in how to do it and I was lazy and just killed everyone, and IIRC it's revealed that it's a test with your comrades guarding the objective and I felt awful!