the time-freeze thing is the type of mechanic thats kinda cool for a bit, but not for 3hrs. plays kinda like a puzzle game, but it stays static w/o ever getting interesting. you can get the gist from a 15min lets play.
if you get into this game it sucks out hours from you, I've played 100s of hours of this game and i cant even say i really like it that much must try if you like first person shooters but it can be kinda frustrating sometimes