Murdered: Soul Suspect. Not a ton of action, but you play as a cop who was killed that night. You spend the rest of the night running around with a medium trying to solve your own murder. On the way you meet a few ghosts and help them out, see a ton more just milling about, deal with the memories of old buildings/things that occasionally get in the way of your progress in the living lands. Also, there are creepy soul-sucking dementor style ghosts that you have to deal with stealthily. Not a long playthrough, but a really solid game. You can also possess people/animals/objects. Worth the low c...