Can someone please give me the title of this movie what i no about it is in the detail?

ok theres like 7peopleo and they got kidnapped and put in a mansion and the only way out is to solve the clues or kill each other and very time someone dies the either get food orsomethingg else andtheress a guy on aintercomm and he promisesfreedom but when there is only 1 leftthey move on to another group of peoplo that the pevious round help i have forgoten the name thx