In November 1939, over a million soviet troops began an invasion of Finland, defended by 160,000 soldiers. The Finns lacked artillery, tanks, and aircraft, but made up for it with Sisu - Finnish for fighting spirit. The winter war lasted for four months, but Finns fought the soviets again in the continuation war of 1941-1944, and fought the Germans in the Lappland war of 1944. Arctic front introduces the Finnish army to the panzer grenadier game series. It is not playable by itself, but requires ownership of eastern front to play most of the scenarios, and road to berlin and battle of the bulge to play all of them.