OGame - OGame is an addictive, Massively Multiplayer Online, Real-time Strategy, Space-war, and Money Management Browser-based video game develop by Gameforge AG.
Age of Empires - Age of Empires is the critically acclaimed, award winning Real Time Strategy (RTS) game with a legacy spanning over 20 years and nearly a dozen titles in the franchise.
EVE Online - Player-created empires, player-driven markets, and endless ways to embark on your personal sci-fi adventure.
Stronghold - Stronghold Crusader is a RTS game from the series from Stronghold.
Galaxy on Fire - Galaxy on Fire is a space combat and trading simulation.
ANNO - ANNO is a city-building and economic simulation video game series, with real-time strategy elements.