Last Day - Zombie Survival

A stranger, who awakens in a room with no recollection of how they got there, soon discovers theyre pawns in a deadly game perpetrated by a notorious unknown person. Waking up in an undisclosed location in an unknown room , they are trapped in a house. Given random tools with riddles hidden around the room. Wondering who could have done this, there are clues to who might have done it. The question is not just who but why would an unknown person leave them in a house. they must work to get out or...