I'll tell you the ending.
The map was Dust 2... everyone knows that when you're on the counter-terrorist side, there's a hole in the wall on the right... well, in the dream, there was a similar hole, but on the left...
*end* Me, my friend, and someone else (don't know who, don't remember)... we climbed onto this hill and started shooting (sometimes in one direction, sometimes in another), but we weren't shooting at the bots, but at monsters... I don't even know where they came from... they were big, fast, and terrifying... in general, we were shooting them off, and they kept coming and coming... we were practically lying on these rocks (the hill), and they could reach our feet, so we tried to kill them before they got close... but there were many of them, and they kept getting closer... we couldn't kill them fast enough, and in the end, they reached us...
P.S. I don't remember the death, but it seems like something jumped on me, and that was the end.