Single-player games like Supreme Ruler The Great War
Below are 13 single-player Steam games similar to Supreme Ruler The Great War, 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 Supreme Ruler The Great War page.
Ranked picks
- 1
Supreme Ruler Ultimate
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Strategy and Indie with Supreme Ruler The Great War.
Real-Time Strategy/Wargame. From World War II through the Cold War and into the future, re-live or re-imagine the tensions and crises of our recent history! Guide your nation through the era of your choice in Campaigns, Scenarios, and Sandboxes, as you make every effort to become Supreme Ruler!
- 2
Supreme Ruler 1936
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Strategy and Indie with Supreme Ruler The Great War.
Real-Time Strategy Game. Guide your nation through the most violent era in modern history. Play massive campaigns as one of the principal nations, set-piece scenarios of famous battles, or set your own victory condition and play as any nation in the world in Sandbox mode.
- 3
Victoria II
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Strategy with Supreme Ruler The Great War.
Carefully guide your nation from the era of absolute monarchies in the early 19th century, through expansion and colonization, to finally become a truly great power by the dawn of the 20th century. Victoria II is a grand strategy game played during the colonial era of the 19th century, where the player takes control of a country, guiding...
- 4
Hearts of Iron III
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Strategy with Supreme Ruler The Great War.
Hearts of Iron III lets you play the most engaging conflict in world history, World War 2, on all fronts as any country and through multiple different scenarios. Guide your nation to glory between 1936 and 1948 and wage war, conduct diplomacy and build your industry in the most detailed World War 2 game ever made.
- 5
Darkest Hour: A Hearts of Iron Game
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Strategy with Supreme Ruler The Great War.
Developed by a team of experienced modders from the Paradox forum, Darkest Hour is a stand-alone Hearts of Iron game. The game features a mixture of short and in-depth campaigns set across the darkest chapters of the 20th century. Play from the outbreak of the Great War up until the onset of the Cold War.
- 6
Making History: The First World War
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Strategy and Indie with Supreme Ruler The Great War.
A turn-based WWI Grand Strategy game. Rush to field new modern weaponry and survive the horrendous attrition battles. Join the global conflict between the Great Powers of the age and forge a new world order for freedom or tyranny.
- 7
To End All Wars
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Strategy and Simulation with Supreme Ruler The Great War.
Ageod’s To End All Wars is a grand strategy game set during World War One. Players will take control over one of the major powers that so desperately fought for control over Europe and to end all wars.
- 8
Galactic Ruler
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Indie and Simulation with Supreme Ruler The Great War.
Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!
- 9
Supreme Ruler 2020 Gold
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Strategy with Supreme Ruler The Great War.
Supreme Ruler 2020 Gold contains Supreme Ruler 2020 and the expansion, Global Crisis: SUPREME RULER 2020 Overnight, the US dollar crashes AND the sound echoes across the globe. The economic crisis amplifies global instabilities and regional disputes, tearing the world asunder. Nations dissolve, economies collapse, and tensions escalate.
- 10
Strategic Command WWII: World at War
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Strategy with Supreme Ruler The Great War.
Strategic Command WWII: World At War is your chance to re-fight the 20th century’s greatest conflict, from Poland to China, Normandy to the Pacific, on a map encompassing the globe.
- 11
Supreme Ruler 2030
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Strategy and Simulation with Supreme Ruler The Great War.
Rise to power as any modern day country in a realistic military, political and economic simulation. Command your country's diplomacy, espionage, and resource management to strengthen your position. Use real-time tactical control of your military to fortify your place as the Supreme Ruler.
- 12
Supreme Ruler: Cold War
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Strategy with Supreme Ruler The Great War.
Building on Supreme Ruler 2010 and 2020, BattleGoat Studios invites you to relive the tension and uncertainty of the Cold War. As the 1950’s approach, the Korean War looms, the Arms Race intensifies, the Berlin Crisis leads to the formation of NATO, and the world anticipates a new World War.
- 13
Galactic Ruler Enlightenment
Single-player alternative to Supreme Ruler The Great War — playable solo, no multiplayer required. Shares Strategy and Simulation with Supreme Ruler The Great War.
Play campaign stories within the Galactic Ruler universe. Invade the galaxy to eliminate those who stand in your way or rally alien races to defend against the invaders. Fight battles at both planet and space across a procedurally generated galaxy. Use new unit control systems to manage your forces.