| Book | Selector | Unit |
| Armies of the Soviet Union | 1941-1942 December-January, Blitzfreeze | 37mm 61-K Model 1939 Anti-aircraft gun |
| Stalingrad | 1942 Anti-tank Artillery Battery | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1942 August-November, Battle of Stalingrad | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1942 January-April, Rzhev-Vyazma | 37mm 61-K Model 1939 Anti-aircraft gun |
| Stalingrad | 1942 Soviet Cavalry Troop | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1942-1943 November-February, Operation Uranus | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1943 February-March, Third Battle of Kharkov | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1943 July-August, Battle of Kursk | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1944 January, Leningrad-Novgorod Offensive | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1944 June-August, Operation Bagration | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1945 April, Seelow Heights | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1945 April-May, Berlin | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | 1945 January-February, Vistula-Oder Offensive | 37mm 61-K Model 1939 Anti-aircraft gun |
| Road to Berlin | 3rd Guards Tank Corps | 37mm 61-K Model 1939 Anti-aircraft gun |
| Road to Berlin | 53rd Guards Tank Brigade | 37mm 61-K Model 1939 Anti-aircraft gun |
| Stalingrad | Don-Volga | 37mm 61-K Model 1939 Anti-aircraft gun |
| Stalingrad | No Land Beyond the Volga | 37mm 61-K Model 1939 Anti-aircraft gun |
| Stalingrad | Not One Step Back! | 37mm 61-K Model 1939 Anti-aircraft gun |
| Stalingrad | Operation Uranus Forward Detachment | 37mm 61-K Model 1939 Anti-aircraft gun |
| Stalingrad | Operation Uranus Tank Platoon | 37mm 61-K Model 1939 Anti-aircraft gun |
| Fortress Budapest | Soviet Anti-tank Strongpoint | 37mm 61-K Model 1939 Anti-aircraft gun |
| Empires in Flames | Soviet Army, Manchuria 1945 | 37mm 61-K Model 1939 Anti-aircraft gun |
| Armies of the Soviet Union | Soviet Reinforced Platoon | 37mm 61-K Model 1939 Anti-aircraft gun |
| Tank Wars | Soviet Tank Platoon | 37mm 61-K Model 1939 Anti-aircraft gun |
| Stalingrad | Tractor Factory | 37mm 61-K Model 1939 Anti-aircraft gun |
