Games Isaku System Requirements Isaku Isaku is a first-person adventure with elements of horror, puzzle, anime/manga and adult games from the masters of Elf Co., Ltd.. The game is published by Elf Co... Read more About the game Buy the game Requirements Gallery Similar games Reviews and ratings Release dates System Requirements Isaku This game does not list PC as a target platform.If the game is decided to be released on PC, the system requirements for it will appear on this page.