SCP Foundation

The SCP Foundation, commonly referred to as simply The Foundation, is an extremely secretive government organization that contains and researches supernatural anomalies, some are as harmless as a fly while others are inhumanly dangerous that could turn the world into utter chaos and destruction.

The Foundation is, technically, a real life site; the site is used for contributors to join and wield their creativity to write up the anomalies mentioned above called SCPs. However, in universe, the Foundation is a cold facility that houses these SCPs with elite soldiers and extremely intelligent yet emotionless scientists.

Six-Eight-Two
Placed in an unknown part of the world and formed an unknown amount of decades ago, the Foundation, one day, erupts into chaos once one of the most deadliest SCPs, SCP-682, escapes. So, they call in a subdivison of their military ranks, the Mobile Task Force, to handle the problem and bring the facility back into peace by ballistic means. The events of this is the main basis of the indie game Six-Eight-Two.