Phantasmagoria 2: A Puzzle of Flesh (1996)

Curtis Craig is a quiet young man. He has a steady job working for the WynTech Industries corporation. He has a lovely girlfriend, Jocilyn. He's been out of the mental hospital for exactly one year. All Curtis wants is to live a normal, happy life, but something seems to have other plans... Strange events, inexplicable and terrifying, begin to happen all around him. Curtis begins to doubt his own sanity, and the very fabric of reality. Then... the murders begin...