Single-player games like Invasion Machine
Below are 8 single-player Steam games similar to Invasion Machine, 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 Invasion Machine page.
Ranked picks
- 1
War Room
Single-player alternative to Invasion Machine — playable solo, no multiplayer required. Shares Strategy and Simulation with Invasion Machine.
War Room is a realistic strategy, taking you straight into the heat of the war in Afghanistan.
- 2
Regiments
Single-player alternative to Invasion Machine — playable solo, no multiplayer required. Shares Strategy and Indie with Invasion Machine.
Regiments is a Real-Time Tactics game set in Germany 1989. The Cold War has gone hot, and the inferno is raging. Lead your Regiment through the fires of conflict and the fog of war. Break through the lines, call in artillery, maneuver, feign retreats, stage defenses, counter-attack. Do not relent.
- 3
Close the Sky
Single-player alternative to Invasion Machine — playable solo, no multiplayer required. Shares Strategy and Simulation with Invasion Machine.
A real-time war of air defence and industry. Build the economy, bury it, and layer SAMs over what you cannot hide. Read a fading intel picture of the enemy base and aim every missile yourself. Break their will to fight before they break yours.
- 4
Double Envelopment
Single-player alternative to Invasion Machine — playable solo, no multiplayer required. Shares Strategy and Indie with Invasion Machine.
Double Envelopment is a real-time strategy game where you are a general in charge of conducting an invasion of foreign countries, using a mix of grand strategy, operational artistry, and tactical decision-making to capture enemy cities and infrastructure, and lead your army to inevitable victory!
- 5
Syrian Warfare
Single-player alternative to Invasion Machine — playable solo, no multiplayer required. Shares Strategy and Indie with Invasion Machine.
Real Time Strategy with a high degree of realism. The game is based on a true story.
- 6
Wargame: European Escalation
Single-player alternative to Invasion Machine — playable solo, no multiplayer required. Shares Strategy and Indie with Invasion Machine.
The New Fatal Error DLC includes a new 5-mission Operation and touch-screen controls.
- 7
Steel Division 2
Single-player alternative to Invasion Machine — playable solo, no multiplayer required. Shares Strategy and Indie with Invasion Machine.
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.
- 8
King's Orders
Single-player alternative to Invasion Machine — playable solo, no multiplayer required. Shares Strategy and Indie with Invasion Machine.
King's Orders is a simplified historical strategy game with an important innovation. You command your armies by sending letters with orders. Messengers with these letters travel the land and can be lost or intercepted. Generals execute orders upon receipt and send you reports the same dangerous way.