Alright I know most of us have made up our minds on how we feel about this game. Having played online and offline extensively, my feelings for MW2012 went from lukewarm, to addicting, but ended with frustration. Putting personal tastes aside, this would've been a solid game had they not released such a bugfested broken product.
Before getting into all of that, I will start with the positives that I later began to appreciate as I kept on playing.
Easydrive
The Easydrive menu - switching cars during gameplay without exiting out is genius. I find myself switching cars much more often now that there is little loading time between the switch; and because of this I can never go back to the old way of exiting out to a garage ever again. Easydrive is just brilliant, never expected that I'd like this feature.
Singleplayer
Singleplayer replayability was a major concern with me. With MW2012, you can beat all the MW drivers in 2 days or so. However, how long the game takes to "complete" is up to you. Autolog is always there to remind you of what you have to do to make it to the top of your friends list. Be it billboards, speed cams, speedwalls, or the MW list, it really is up to you what you want to do and how long you want to play. So really the replayability depends on the player, and of course how many of your friends are willing to stay competitive.
Most Wanted Races
Another aspect I don't think anyone here mention yet is the fact that Most Wanted races can be replayed with any car you desire. The major problem that I had with Criterion's last game was how restricting the SP events were. Now it still is the same case with the regular events in MW2012, but at least with the Most Wanted races we can freely choose any car, meaning we can make the races as easy or difficult as we want. I've always been an advocate of the idea of letting the players choose how they want to play, whether through custom races like the older NFS games had or whatever, just give us options to customize our races to our liking. So for that I'm thankful, even if it's just 10 races.
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Now on with the negatives.
Performance Issues
I'm going to go straight into it - the game needs to be fixed. All the issues weren't apparent to me until I started unlocking faster vehicles and decided to play online. It has been mentioned in other threads so I'm not gonna reiterate it, although I will say the freezes and the game not rendering the road fast enough occurs repeatedly in specific places. 9 times out of 10, especially if you use a fast car it will happen. Absolutely terrible for such a game that's known as one of the most popular racing games out there and is played worldwide. Frame rate drops is also common on the PS3 side.
Online Gameplay
Online also has its share of issues. At least on the PS3, if you join in the middle of an ongoing speedlist (as in not during intermission) when you complete the speedlist your effing system will freeze all the time.
Online has its moments, but generally I find it a mess. Team races and regular races have no starting grid, so after the count down you blast out of the meet up spot like lunatics. So as far as being competitive goes, to put it simply, it sucks, I wouldn't bother. It feels more like a hangout more than anything else, so just trololololol away; that's the nature of online gameplay, thanks Criterion.
It isn't all bad though. Some of the challenges are quite fun and very much a welcome break from the typical races. I can see myself enjoying online more if I were playing with actual friends and not in a random lobby full of kids who always race with Veyrons and Aventadors.
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In a nutshell, yes I enjoy the game, more so than a month ago. Most of the recent NFS games tend to give me a lukewarm first impression, but eventually they begin to grow on me, and this was certainly the case with MW2012. Is it perfect? Hell no, not by a long shot. IMO all the performance issues are what's holding it back from being decent. My distaste for the online gameplay is just me, I'm sure there are those out there that'll get a kick out of it.
With all that being said, before they even think about milking this game with DLC, please, fix it first. Until they release a patch, I'm going to take a break at least from online. There's still much to do in singleplayer, and I've already reached 100% progress. Anyone on the fence, if you want my opinion, I say wait until they fix the game. As of now it's simply unplayable.