Schizm: Mysterious Journey is an adventure-genre computer game created by Detalion and LK Avalon and published by DreamCatcher Games. It was authored by acclaimed Australian science fiction writer Terry Dowling. Within a year of release, its sales had surpassed 250,000 units worldwide. A major distinguishing feature of Schizm is that the player can switch control between the two characters at any time. There are puzzles which require both characters to be performing actions at the same time before they can be solved.