You wake up in a mordern home, you don't remember walking in here..

Suddenly, you hear a voice through the speakers.

?: "Welcome, contestants! Welcome to 7 day murder spree! I'll be your host. The rules are simple, you have to survive 7 days in this lovely home to win it. But, there are 6 other contestants also planning to win. What do you do now? I'll tell you. All of you can kill eachother. You'll have to be sneaky about it though. Last standing wins! 7 days, 7 contestants. Who'll win?"