Misshitsu no Sacrifice (Japan) - PSP - Visual Novel

Misshitsu no Sacrifice (Sacrifice of the Secret Room) is a Japanese visual novel combined with western adventure-game-style item and logic puzzles. The game is divided into numerous short chapters, each played from a specific character''s perspective, each of which includes a handful of puzzles in addition to fully-voiced story sequences. After each chapter, the player much choose which character to play next, and the outcome of the story will change depending on what order the chapters are played.