In War in Europe: 1939 you will fight in missions of the World War II in 1939, including the Poland invasion and Winter War. Also you can fight in both sides: Axis and Allies.
Expansion for War in Europe: 1939 that includes a new mission in the Slovak side.
IF YOU HAVE WAR IN EUROPE: 1939 INSTALLED
1.Download the Slovak Campaign.
2.Extract the folder and copy the folder "WiE1939data" into the folder where you have WiE:1939 installed and reemplace all.
3.Launch the launcher and select the Slovak Campaign.