High Quality Content by WIKIPEDIA articles! Company of Heroes: Opposing Fronts (abbreviated CoH:OF) is the stand alone expansion pack to Company of Heroes, a real-time strategy game for computers running the Windows operating system. It was announced on April 5, 2007. Opposing Fronts was developed by Canadian-based RTS developer Relic Entertainment, and published by THQ. The game was released on September 25, 2007 in the US and September 28 in Europe.