It's not a masterpiece, it's not old-school, It's just a fun gam to play, If you like the Medal of Honor series.
It's really worth playing it if you've played the old PC version, just so you can enjoy the use of the new tech to develop monsters.
This PS2 version can only be acquired to play the single player version because the multi player it's way better in the PC version.
It's really fun once you get to play it, it's got it's level of difficulty to beat monsters and bosses, and the weapons are just okay, nothing to fancy.
In the end if you want to try a game just cause you wanna shot some monsters be my guest, but don't expect High quality and revolutionary game play, this is just a shooting game.