Fun at first, but gets boring.
Lets start off with the story; I started playing it with my friend and it was very fun. The tactical gameplay worked really well with a friend, like breaching rooms and flanking the enemy. I really did enjoy the first few levels as they were long and exciting. The thing that bothered me though, was that the gameplay consisted entirely of just fighting your way to a marker, then when you get to that marker, you are provided with another marker that you have to get to and so on. Although this was the case, I put it to the back of my mind as I thought that as the game went on it would become more involved and exciting, and the dull story would develop...but I was wrong, VERY wrong. I came back to the game to finish the last 2 levels, expecting an 'epic' finish like alot of the recent FPS I have played, but I didn't get it. The last levels were very short and had seemed to be rushed. The game finishes very abbruptly and leaves you thinking 'why the hell did I bother with this?'.
Next, lets talk about terroist hunts. This, in my oppinion is where the game shines. The great thing about them is that you can do them with 3 other players. I had a blast playing through the terroist hunts with 3 friends, and I was glad to have 3 friends when we were playing on Realistic difficulty! I think the reason why the terroist hunts are so great is because being spawned at the start of a map and having to fight your way through it taking down numerous enemies on your way can't really get old.
Finally, theres the multiplayer. For the first few hours I really enjoyed the multiplayer. It was a nice change from CoD4 and it was nice to be able to take cover on a wall. There are some good game modes like 'Total Conquest' where you have to capture transmitters and 'Team Leader' where you have to protect your team leader and eliminate the enemy team leader. You might think that since R6V2 is a 'tactical' shooter, the multiplayer might be tactical, but in most cases it isn't. In all the games I have been in, I have never seen anybody play tactically, you might say 'well thats the players fault' but, to be honest with you, the game doesn't really encourage it. The other problem with the multiplayer is that, since matches are hosted by players, people host matches, get all there friends in and put the skilled players on their team and put other, unsuspecting 'not so skilled' players on the other team, and just play matches constantly winning, gaining lots of xp. This can get frustrating and in my eyes it is 'boosting'. Overall, the multiplayer isn't 'bad' but after a while it gets very boring and certainly does not have the addictiveness or fun of CoD4's multiplayer.
Another thing I need to mention is the bugs. The leaderboards don't work, some acheivements are glitched and there are alot of connection problems.
Overall the game 'Isn't that bad' but its far from good. The main problem is that it gets old, fast. If you are looking for a bit of fun with not much replayability go for R6V2, but if you are looking for a very good multiplayer game that will keep you playing for hours and hours, buy CoD4 and, if you already have it, stick with it.