Strip Mahjong: Battle Royale (2011)

Original title: 脱衣麻雀バトルロワイアル

Let the ultimate sexy death games begin! A handful of mysterious Japanese women take part in a deranged web show that makes them strip off their clothes when they lose a round of Mahjong. When there is nothing left to hide, the losers secrets are revealed and the nubile contestants must take their punishment. Can anyone survive, or keep their clothes on, in the dangerous game of STRIP MAHJONG: BATTLE ROYALE? Gleefully adding a risqué, wry twist to an ancient game of strategy, this erotic thriller delivers voyeuristic thrills with the friskiness of Seventies sexploitation flicks, providing strange gameplay at every turn!