Single-player games like 20th Century Warfare
Below are 8 single-player Steam games similar to 20th Century Warfare, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like 20th Century Warfare page.
Ranked picks
- 1
Steel Division 2
Single-player alternative to 20th Century Warfare — playable solo, no multiplayer required. Shares Strategy and Indie with 20th Century Warfare.
Steel Division 2 is a historically-accurate WW2 real-time strategy game set on the Eastern Front. Features 1:1-scale turn-based army management and real-time tactical battles with thousands of men at your order.
- 2
Victory at Sea Atlantic - World War II Naval Warfare
Single-player alternative to 20th Century Warfare — playable solo, no multiplayer required. Shares Strategy and Indie with 20th Century Warfare.
Victory At Sea Atlantic transports you to the cold, unforgiving waters of the Atlantic Theatre in WWII. With a vast array of ships, planes, and subs, engage in epic sea battles & secure your place in history. Victory At Sea Atlantic is the ultimate naval warfare experience.
- 3
Steel Division: Normandy 44
Single-player alternative to 20th Century Warfare — playable solo, no multiplayer required. Shares Strategy and Simulation with 20th Century Warfare.
Steel Division: Normandy is a tactical real-time strategy (RTS) game that pits players against AI enemies in a single-player campaign -- or against several opponents in massive 10-on-10 multiplayer battles.
- 4
Firefight
Single-player alternative to 20th Century Warfare — playable solo, no multiplayer required. Shares Strategy with 20th Century Warfare.
Firefight is a World War II real-time simulation game similar in style to the old Close Combat series but brought up to date with better AI, individual soldier modelling, a faster frame rate to give more intense and realistic combat and an easy to use command interface.
- 5
Commandos: Origins
Single-player alternative to 20th Century Warfare — playable solo, no multiplayer required. Shares Strategy with 20th Century Warfare.
ALARM! You have been selected for a mission which will shape the fate of the entire world. Witness the very beginning of the legendary elite WWII force in Commandos: Origins. The long-awaited sequel to the Commandos series brings you right back to the foundation of the real-time tactics genre.
- 6
Sudden Strike 5
Single-player alternative to 20th Century Warfare — playable solo, no multiplayer required. Shares Strategy with 20th Century Warfare.
Sudden Strike 5 delivers real-time tactics in epic WWII battles. A host of tactical options and more than 300 playable units open-up multiple approaches to reach your objectives in a 25 mission campaign on historical battlefields in Europe and North Africa.
- 7
Hearts of Iron IV
Single-player alternative to 20th Century Warfare — playable solo, no multiplayer required. Shares Strategy and Simulation with 20th Century Warfare.
Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history.
- 8
Cataclismo
Single-player alternative to 20th Century Warfare — playable solo, no multiplayer required. Shares Strategy and Simulation with 20th Century Warfare.
Design and build fortresses brick by brick to stand against endless hordes of Horrors in this real-time strategy game with resource management, siege defense, and exploration. Lead from the ramparts, push back the darkness, and hold fast against the creatures of the Mist.