Some SCPs, such as SCP-173 and SCP-106, may appear throughout the entire facility. Each set contains a unique set of rooms and hallways that can be randomly generated, as well as its own artifacts and SCPs. These rooms are divided into three sets: the Light Containment Zone, Heavy Containment Zone, and Entrance Zone. All of the rooms in the game are randomly chosen from a set of hallways, chambers, and offices, which are strung together to create the facility. One of the game's primary features is randomly generated rooms. Another one of these SCPs is SCP-096, which will kill the player if its face is viewed, but otherwise will remain docile. Certain environments (such as rooms filled with decontamination gas) will cause the player to blink more often. SCP-173, along with other SCPs, must be evaded by D-9341 to avoid death, which is made more difficult by the player needing to blink periodically, enabling SCP-173 to attack if it is nearby. The player is pursued by numerous hostile SCPs among them is SCP-173, a concrete statue capable of moving at high speeds when it is not directly observed. If the player refuses to leave their cell, they will be terminated by poisonous gas. The player controls a 'Class-D' personnel in first person, designated D-9341 as he attempts to escape an underground research and containment facility operated by the SCP Foundation amidst a total containment breach of its hazardous anomalies, designated 'SCP's. The game features multiple popular SCPs from the SCP Foundation Wiki, such as SCP-173 ('The Sculpture'), SCP-106 ('The Old Man'), SCP-096 ('Shy Guy'), SCP-049 ('Plague Doctor'), and SCP-682 ('Hard-to-Destroy Reptile'). The game has a procedurally generated play area created from a random selection of pre-existing rooms and hallways that are strung together to create the facility which is played in.

The goal of the game is to escape from an underground SCP containment center in the situation of a complete security breach leading to the escape of the contained and dangerous creatures while avoiding security teams sent in to end the breach.

The game is played in 3D from a first person perspective and the protagonist is a human test subject labeled 'D-9341' in an SCP Foundation facility devoted to containing and researching dangerous creatures called SCPs. It is based on the paranormal fictional stories of the SCP Foundation website. SCP – Containment Breach is a free and open source indie supernatural horror video game developed by Joonas Rikkonen ('Regalis').

Scp containment breach controls