Dinosaurs, guns and blood. Questions?
If you do, you will like this game, if not, you will find it has many shortcomings that aren't acceptable in this day and age.
The story is like a dumb action movie, exactly what the game works as. Space marines go in to kill bad guy, something goes awfully wrong, hours of shooting and slashing and fighting for survival, a nice final showdown and THE END. All other details are only remotely interesting if you're actually playing the game, no point talking about it here.
Graphics are for the most part above average. Dinosaurs look spectacular and are marvelously animated, however some environments are rather bland and lifeless, and even blocky occasioinally (FEAR is blocky as hell, but its not set in a JUNGLE!!!). Visual effects are also great looking, but there are a wide variety of graphical glitches to be found, a particular nasty one on the caves level completely destroys the illusion.
Sound is great, be it music or sound effects. But I particullarly enjoyed the voice acting. Having Ron Perlman shooting stuff by your side most of the game is certainly one of this game's bright spots.
Gameplay is a mesh of good and bad aspects. Shooting works rather well, but controls for movement are very cumbersome, and while the knife kills (i'll get to that next) are very fun, they are waaaaaaaay too easy to pull off.
This game as a very nice arsenal of weapons, but, ironically, the most enjoyable is the knife. If you simply just swing it, its basically worthless, but pressing the prompted button that shows up onscreen will trigger savage third person executions that will really tickle your taste for carnage. Like I said, however, they are too easy to get right and with some practice you can easilty take out tons of dinos in sucession without taking a single scratch. There are also very fun sequences when the dinos grab you and you must push the prompted buttons to fight them off.
I felt the game was also too hard, the final levels are almost cruel even in the lowest difficulty, if you don't have stomach for frustration you may well not beat the game.
Multiplayer is frustrating, not because of the game however. The game has actually excellent multiplayer, but most people don't realise it and therefore there aren't simply enough people online to make it a fluid experience, sometimes its simply too much wasted time just trying to find a game.
In the end, this game is extremely fun, like a dumb action movie, and will surely sooth the killer in you, its just too bad it is soooooooo hard, glitches occure every time you start believing you have a great game in your hands and controls don't always feel right.
But if you ignore those problems, you'll sure have a fun experience.