You play as D-9341, one of many Class-D test subjects used by the SCP Foundation, an organization dedicated to containing and safe-guarding anomalous creatures and artifacts from the rest of the world. The game opens with D-9341 waking up and being pulled from his cell to begin testing. However, during the test the facility begins to malfunction, causing a site-wide containment breach to occur.

You play as D-9341, one of many Class-D test subjects used by the SCP Foundation, an organization dedicated to containing and safe-guarding anomalous creatures and artifacts from the rest of the world. The game opens with D-9341 waking up and being pulled from his cell to begin testing. However, during the test the facility begins to malfunction, causing a site-wide containment breach to occur.