Single-player games like Act of War: High Treason
Below are 15 single-player Steam games similar to Act of War: High Treason, 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 Act of War: High Treason page.
Ranked picks
- 1
Act of War: Direct Action
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required. Shares Action with Act of War: High Treason.
Tomorrow's War Is NOW Ripped from today's headlines, Act of War: Direct Action™ is a frightening tale of suspense, international intrigue and geopolitical military conflict. This real-time strategy experience puts you squarely in control of counterterrorist forces and delivers a first look at tomorrow's war.
- 2
Act of Aggression - Reboot Edition
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required.
Act of Aggression – Reboot Edition brings the techno-thriller RTS game Act of Aggression to a higher level. The Reboot Edition offers a full gameplay overhaul in skirmish mode against the AI and in your multiplayer battles.
- 3
Total War: EMPIRE – Definitive Edition
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required.
Command the seas, control the land, forge a new nation, and conquer the globe.
- 4
Command & Conquer 3 Tiberium Wars™
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required. Shares Action with Act of War: High Treason.
The year is 2047. A massive nuclear fireball explodes high in the night sky, marking the dramatic beginning of the Third Tiberium War and the long-awaited return of the most groundbreaking Real-Time Strategy franchise of all time
- 5
Company of Heroes
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required. Shares Action with Act of War: High Treason.
Delivering a visceral WWII gaming experience, Company of Heroes redefines RTS by bringing the sacrifice of heroic soldiers, war-ravaged environments, and dynamic battlefields to life. Please visit the "Company of Heroes - Legacy Edition" page for additional user reviews.
- 6
Age of Empires III: Definitive Edition
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required.
Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product.
- 7
Taur
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required. Shares Action with Act of War: High Treason.
Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?
- 8
Tempest Rising
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required. Shares Action with Act of War: High Treason.
Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.
- 9
Command & Conquer™ Generals
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required. Shares Action with Act of War: High Treason.
Command & Conquer Generals puts your trigger finger on the pulse of modern warfare. Prepare your forces General... it's time to engage in the next generation of real-time strategy.
- 10
Wargame: Red Dragon
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required.
The new reference in RTS at its best! The Wargame series returns to duty, larger, richer and more spectacular than ever before. In Wargame Red Dragon, you are engaged in a large-scale conflict where Western forces clash against the Communist bloc.
- 11
WARNO
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required. Shares Action with Act of War: High Treason.
Realistic, immersive, breathtaking. WARNO is the ultimate World War III battle simulator from the masters of strategy, Eugen Systems. A Cold War turns decisively hot as you command hundreds of units on a beautiful and brutal battlefield. Outsmart, outfight, and lead your forces to total victory.
- 12
Steel Division 2
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required. Shares Action with Act of War: High Treason.
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.
- 13
Steel Division: Normandy 44
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required. Shares Action with Act of War: High Treason.
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.
- 14
Wargame: Airland Battle
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required.
2 SIDES, 12 NATIONS, 750 UNITS: THE STRATEGY GAME REFERENCE IS BACK! Richer, more beautiful and more accessible, Wargame AirLand Battle is the sequel to the explosive real-time strategy game Wargame European Escalation! 1985.
- 15
Wargame: European Escalation
Single-player alternative to Act of War: High Treason — playable solo, no multiplayer required.
The New Fatal Error DLC includes a new 5-mission Operation and touch-screen controls.