Websites offering the full version of for free download are often illegitimate and may bundle the game with malware or viruses. It is highly recommended to stick to the free demo or wait for a Steam sale to get the full experience safely. Save 70% on SCP - The Sentient Box on Steam

: Available for both Windows (411 MB) and macOS (424 MB).

The standard price is , but it frequently goes on sale (recently seen as low as $3.29 during promotional events). About the Game

: Requires a purchase of $10.99 or more. This version grants access to the full boxOS files for Windows and macOS. Steam :

: It is an FMV (Full Motion Video) detective adventure featuring puzzles and interactive investigations that merge real-life elements with fiction.

The official game, (often stylized as boxOS ), is not entirely free to download, but you can access a free playable demo to try before purchasing. Developed by Hybriona Technologies , the game is a story-driven Alternate Reality Game (ARG) that blends detective investigation with the science fiction lore of the SCP Foundation. Official Download Options

: The game explores the "Dark Limits of Alternate History" and unsettling psychological horror related to technology and consciousness. Warning on Unofficial "Free" Downloads

: You investigate the life of "John Doe" by exploring his lost memories through a simulated operating system called boxOS.