The Murder Game (2006)

A group of teenagers invent a game in which one of them is secretly chosen to be a killer while the others remain innocent victims Armed with prop weapons the killer must eliminate the other players before being found out To enhance their experience the teens sneak into a large selfstorage warehouse during its closed latenight hours to hold their game At first its better than ever But things take a horrific turn as one by one the players begin dyingfor real