High Moon Studios (formerly Sammy Studios), was part of Sierra Entertainment, is an American video game developer that started out as Sammy Studios and, after a period as independent studio in January 2006 under the current studio name, was acquired by Vivendi Games. It is now owned by Activision Blizzard, and is now a subsidiary of Activision.
- Darkwatch (2005) - (PS2, Xbox)
- The Bourne Conspiracy (2008) - (PS3, Xbox 360)
- Transformers: War for Cybertron (2010) - (PC, PS3, Xbox 360)
- Blood Stone (PC Conversion)
High Moon Studios employs around 100 people and the studio is based in Carlsbad, California, a seaside city in San Diego County.