Those who own both games can either play as the Americans or the British against the Wehrmacht or the Panzer Elite. A greater number of static defences can be built, such as slit trenches and anti-tank emplacements.
Those who own only Company of Heroes can play only as the American or Wehrmacht armies. These emplacements have an associated population and manpower cost to prevent the map being overrun with defences.
The game was released on September 25, 2007 in the US and September 28 in Europe.
Another standalone expansion to the Co H series, Tales of Valor, was released in April 2009.
They can also repair vehicles, but at a slower pace than standard engineer units.
The campaigns feature gameplay from the British perspective and the German perspective.
The British campaign is based on the Liberation of Caen.
At the same time, the Panzer Elite has Kettenkrads and Bergetiger repair units.
The three doctrines for the Panzer Elite are: The campaign starts off with the British 3rd Battalion (aka Boudica's Boys), as they advance along a road towards the town of Authie.