Všichni do jednoho

Všichni do jednoho (2007) is a horror directed by Karel Žalud rated 4.2/10.

Six participants in a strange reality show called All for One are locked in a large basement room. Their task is to endure living together in cramped conditions for at least one month. At the end, a million-dollar prize awaits them. The problem is that the rules of the game are not entirely clear.