Order of War: Challenge

ORDER OF WAR: CHALLENGE is a multiplayer stand-alone game in the world of ORDER OF WAR™, published by Wargaming.net, packing even more intense World War II real-time strategy action. With 6 extended modes, 12 unique maps, and hundreds of units under player control ORDER OF WAR: CHALLENGE gives players a battlefield experience of epic scale. With a focus on fast-action gameplay, and featuring exclusive bonus content, ORDER OF WAR: CHALLENGE is the ultimate way to experience online RTS gaming. With a new advanced gameplay system and including fog of war, ORDER OF WAR: CHALLENGE redefines combat mechanics and gives players a tense battlefield experience with plenty of room for wide-ranging tactics.
12 Unique Multiplayer Maps - Each map features different types of cross-country terrain and urban areas to provide great replayability.
6 Extended Multiplayer Modes With these new modes you have the opportunity to prove you are the best commander on the online battlefield in a variety of ways.
Command troops of the USA, Germany or the Soviet Union - Grasp your units by knowing their strengths, weaknesses and discover how to exercise their power to defeat your enemies.
4 Co-op Survival Missions - Play shoulder to shoulder with your comrades-in-arms to defend your headquarters from enemy attacks of increasing intensity. To get extra income and new reinforcement types, capture control points that appear randomly throughout the map but only stay for a short time.

suggested system requirements:
Pentium 4 3.0 GHz, 2 GB RAM, graphic card 256 MB (GeForce 7600 or better), 10 GB HDD, Windows XP/Vista/7.