|Founded By||Atanas Atanasov|
|Key People||Atanas Atanasov|
Masthead Studios is a Bulgarian game development company, founded in 2005. The company is developing its post-apocalyptic MMORPG Earthrise, as well as co-developing Interplay's Fallout Online.
On April 2, 2009 Interplay announced a binding letter of intent with Masthead Studios to fund the development of Project V13 (Fallout Online). Masthead and Interplay teams will work together under the direction and control of Interplay to complete development of the project.