Plot: SCP Containment Breach is a free and open source indie supernatural horror video game developed by Joonas Rikkonen. It is based on the paranormal fictional stories of the SCP Foundation website. Wikipedia
Plot: SCP: Secret Laboratory is a free indie supernatural horror multiplayer video game. It was initially based on the single-player game SCP - Containment Breach, which is itself based on the paranormal fictional stories of the SCP Foundation website. Wikipedia