Starbreeze Studios buys Rock SolidSwedish developer Starbreeze Studios has acquired Stockholm-based Rock Solid Studios in a stocks and cash deal. Rock Solid developed the RSSTech engine licensed to Codemasters for their massively multiplayer online game entitled Dragon Empires. The studios currently employs 17 people - who are currently developing Tremors for multiple platforms. Starbreeze is a developer of games for multiple platforms. They recently shipped Enclave for Xbox.