I got lost in this confusing level, and died a few times as well at the hands of a mini-boss. I really like going through these levels fast, reminds of Serious Sam but in closed quarters. Recommend to all retro FPS gamers.
Alright! It was tough as I had a hunter alien on my heels the whole time, but I was able to reach Nicole, who was attached to the Marker. I defeated her (eventually) and made my escape with Ellie. What a cool game. Final boss and game ending! Great stream!