It takes me forever, but i like to cut my time into days to finish. I haven't finished HL2 EP1 yet, and ive had it for a week. Besides, every time i play fps games that are too graphical my stomach turns, for real. then i have to go play something thats 3rd person thats not too graphic demanding.
It usually takes me at least double what game reviewers suggest the completion time is-- I like to search every corner of every map and see/find everything. I get my money's worth ^^
I can usually finish FPS games, and other games in general, in anywhere from a few days to a week. After that, I like to beat it again a few times to get some extra Achievements, which usually takes about a week.
I take my time but after the first couple of times, when I familiarize myself with the game, I could finish it in 2 days tops.
I take my time and have fun.. so usually about a few days.. Buying a game and beating it the same day just makes you feel you wasted your money.
It generally depends on the type of game, how high tech the graphics are, and when it was released. The trend has been for some time that the devs put lots of effort into the engine and graphics, leaving little project time to give them an intricate story or long and non linear gameplay. It's common a lot of games now reuse maps for certain levels. Shooters can range from 6 to 12 hours anymore. It seems like 9 hrs is about average for a shooter with high end graphics anymore.
I remember when FEAR came out I was upset that it was only about 10 hrs ave gameplay. By today's standards that's actually fairly long for a modern shooter with state of the art graphics. The real value seems to be in RPG games that have expansive maps, intricate stories, and sandbox gameplay with numerous character interaction and quest options.
Too bad I'm not a big fan of melee and magic based role playing games. It would be nice if there were some good RPG/FPS hybrids, but most that have been made with that in mind aren't very good. I can't think of many PC games coming out that would be considered RPG/FPS hybrids, Far Cry 2 comes to mind. As far as I know there's no word on it's estimated play time yet.
Dark Messiah is a bit RPG/FPS hybrid, but you don`t shoot your enemies, you slash themwith a sword or burn/freeze them with spells, so it`s probably not very FPS :-)
it takes me about a few days.
Crysis took me 5 hours, I played it when i was "ill" off school and completed it. Wayyyy too short.