Call to Arms: Gates of Hell - Talvisota

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

The Talvisota expansion for CtA - GoH offers Finland and the unique northern fighting between 1939 and 1945, including a vast array of weaponry and unique game mechanics. The return of classic skirmishes also expands the Eastern Front with huge, replayable battles including a menacing, revamped AI.

Finland

The Finnish nation enters the RTS battlefield with an unprecedented degree of detail. It contains an encyclopedic amount of weapons, uniforms, vehicles and locations.
Finland possessed specialized weapons and infantry, as well as a unique arsenal of modified and captured vehicles. Specialized engineers can deploy and upgrade a vast array of fortifications. The cunning use of searchlights, aviation and exotic units will prove Finland once more capable of winning battles. The Finnish nation is available for early, mid and late war stages on multiplayer, as well as in conquest, our dynamic campaign.

Stunning Campaigns

The three separate conflicts (winter war, continuation war and Lapland war) have been researched and depicted to a high standard of detail and quality. The tactics, fortifications and equipment used in the northern theatre of operations are once again based on history and real locations, each bringing a new layer of intensity to the game. You will experience landmark events of the Finnish military exploits, plus deadly sniper action, massive railway guns and naval operations.

Skirmishes

For Talvisota, the traditional skirmishes have returned in a revolutionary format, following repeated requests by the community. Based on historical operations and real locations, the skirmishes offer an unparalleled degree of depth for single player and cooperative.
Select your custom doctrine and fight an ever-evolving, revamped AI.

Fortify locations and prepare to counter every threat.

The skirmishes range from the paratrooper operations at Vyazma, to the bitter fighting at the very heart of Berlin. Every skirmish will provide unique features and endless replayability. 12 total skirmishes are provided for Germany, USSR and Finland.

Consequently, Through the addition of the skirmishes, Talvisota expands the historical campaigns of the Ostfront base game, adding to the big picture of the enormous eastern front of WWII.

List of features:

Finland as a fully playable faction with 40 vehicles, 50 uniforms, 20 weapons.
Finnish single player campaign with 6 extremely detailed historical missions.
Eastern front skirmish campaigns for Germany, USSR and Finland, totalling 12 missions.
45 new multiplayer and dynamic campaign maps based on the Finnish and northern eastern front landscapes.
A huge amount of detailed assets to create beautiful locations using the editor.