actually i did it in a multiplayer game, offline, using AI scripts. Reduced to 0 respawns to replicate the normal...
I did that when I had OEM. As of now, I have SCP 3.6.9 installed ontop of OEM. Effectively, it's a light installation of Retail (missing the cutscenes and all the dialogue).
I have quite basically maximum settings on 3.6.9, with the advanced effects and highest poly models... I put everything to max and I'm getting about 10fps in the nebula mission...
My PC (old, crappy, 4 years old)
2.0GHz Intel Celeron (400mhz FSB, 128kb L2 cache or something)
512MB DDR Memory (PC2100, 512MBx1)
PNY nVidia FX 5200 (APG 4x, 128MB)
80GB HDD (7200rpm, 8mb cache)
Windows XP Home SP2
Karajorma, yes I do use SCP 3.6.9 RC7. It works great ontop of OEM if you have all VP's except the cell one....