Killheads is great combination of zombie shooting and match-three puzzling with an atmospheric (and bloody!) horror theme. Match up and pop the monster heads before they reach the barricade.
You have to investigate and gather evidence about a creepy old cabin in the woods and its aged inhabitant, take photos, use the metal detector, find and read diarys etc to discover what has been going on here and who the old man really is.
In this war, strategy skill is not enough. Your job is to guess words from various categories and earn some gold in this way. Next, use the gold to train warriors and defeat your enemy. Good luck solider!