Little Devil Inside is an upcoming action-adventure video game developed and published by Neostream Interactive. The game's single-player and co-operative multiplayer modes both follow the professional and personal lives of explorers searching for monsters & supernatural events in a 19th-century-inspired world. It is planned for initial release on Microsoft Windows, PlayStation 4 and PlayStation 5 in the fourth quarter of 2022, followed by Nintendo Switch and Xbox One at a later date.