Information: - Travian Games GmbH is a German video game development and publisher , specialising in browser - based multiplayer games . The company was founded in 2005 , has over 230 employees in Germany , and has published seven massively online multiplayer browser - based games . In January 2012 , Travian Games acquired Cologne - based game developer Bright Future . - Travian is a persistent, browser-based, massively multiplayer, online real-time strategy game developed by the German software company Travian Games. It was originally written and released in June 2004 by Gerhard Muller. Set in classical antiquity, "Travian" is a predominantly militaristic real-time strategy game. - Travian Games GmbH is a German video game developer and publisher, specialising in browser-based multiplayer games. The company was founded in 2005, has over 230 employees in Germany, and has published seven massively online multiplayer browser-based games. - Real-time strategy (RTS) is a subgenre of strategy video games where the game does not progress incrementally in turns. - Classical antiquity (also the classical era, classical period or classical age) is a term for a long period of cultural history centered on the Mediterranean Sea, comprising the interlocking civilizations of ancient Greece and ancient Rome, collectively known as the Greco-Roman world. It is the period in which Greek and Roman society flourished and wielded great influence throughout Europe, North Africa and Southwestern Asia. What object entity has the relation of 'instance of' with the subject 'travian games'? Choices: - age - era - june - publisher - society - software - strategy - strategy game - term - time - video - video game - video game developer
A:
video game developer