So hard I was unable to finish the first mission, and multiple CTD"s, make this a 'must miss'.

User Rating: 2.8 | S.T.A.L.K.E.R.: Shadow of Chernobyl PC
I play games to enjoy myself, but I have gotten zero pleasure out of STALKER. I just got done spending the past 4 hours trying to get past the first mission. Out of maybe 20 tries, here's the breakdown.

50% - killed within the first 3 minutes, + 1m 30 of reload time.
20% - killed within the first 5 minutes, + 1m 30 of reload time.
10% - took cover behind a tree, managed to live a while, fired ineffectually at targets, decided to run for it, died + 1m 30 of reload time.
5% - Actually managed to kill someone by emptying a clip and a half into a guy at short range, killed while looting corpse.
15% - Computer locked up necessitating soft reboot. Did I mention the game takes easily 3 min to load from a cold start?

So basically I spent 2 hours looking at load screens or rebooting, and the other 2 was an exercise in frustration.

I'm off to play something that works, and is fun.