The game didn't take more than 2 days to finish, but I wanted to play through again as soon I finished it the first time. You can play through Lords of Shadow on console and jump right into Mirror of Fate and not feel like you are losing anything. The controls feel the same (tight) and it is easily the best looking 3DS game out there.
The people that are being so hard on this game in other reviews are the ones that are so bent on other game franchises that they cant stand to see a portable game crush all the console stuff coming out atm.
The pre-order insentives (a sticker+cheap 3DS case) were less than amazing though...
I have not beat it yet and I will NOT SPOIL the game and will make it simple. This game has amazing graphics for a 3DS game and if you turn on the 3D you actually feel like objects are going to hit you at time and make you jump back, something I have not personally felt with a 3ds game to date. The voice syncing is kind of pathetic. They failed at matching lips with words. The game play is awesome and there are unlockable skills and three playable characters that keep it fun and exciting. The story is great, but as other reviewers have pointed out, it can be a little predictable, but with a couple of small twists as well. Anyways, I give this game a 7.5, great game, minor syncing issues, predictable story, but everything else impresses me.