Synopsis: Six people is trapped in a house of some sort, and there are 7 rooms in this house. Each one of you had a bar code imprinted on you and can open 1 door. Your purpose is simply to escape the house. However, among the 6 of you is a killer so the killer will try to kill you off one by one.
That's the basic idea, I am just doing an interest check, will have a full rundown if there's enough interest.