What is scp containment breach 1.3.9 download?

SCP Containment Breach 1.3.9 is a free survival horror game developed by Joonas Rikkonen (a.k.a. Regalis) and published by the SCP Foundation. The game is based on the fictional SCP Foundation universe, and the player takes on the role of a D-Class personnel who must navigate and survive a series of dangerous and horrifying encounters with various SCP entities.

The game features randomly generated levels, multiple SCP objects, and a variety of gameplay mechanics, such as inventory management, stealth, and puzzle-solving. The goal of the game is to escape from the SCP Foundation's facility while avoiding or neutralizing various SCP entities and personnel.

The SCP Containment Breach 1.3.9 download is available for free on various websites and can be played on Windows, Mac, and Linux operating systems. The game has received positive reviews for its intense and atmospheric gameplay and faithful representation of the SCP Foundation universe.