Aka：Testere 4 / Saw IV - Il gioco continua / Fűrész IV. / Пила 4 / Saw 4 - A Revelação / 电锯惊魂4 / המסור 4 / Слагалица страве 4 / Saw 4 / Σε Βλέπω IV / Piła IV / Jogos Mortais IV / 쏘우 4 / Décadence IV / ソウ4 / 奪魂鋸4 / Убийствен пъзел IV / Zāģis 4 / Pjūklas 4 / El juego del miedo 4 / Arra IV / 恐懼鬥室4 回頭是岸 / Žaga 4 / Lưỡi Cưa 4 / Slagalica strave 4 / Puzzle mortal 4 / เกม ตัด ต่อ ตาย 4 / اره ۴ / ხერხი IV / Saag IV
Summary：Despite Jigsaw's death, and in order to save the lives of two of his colleagues, Lieutenant Rigg is forced to take part in a new game, which promises to test him to the limit.
