Single-player games like AI War 2
Below are 15 single-player Steam games similar to AI War 2, 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 AI War 2 page.
Ranked picks
- 1

AI War: Fleet Command
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Strategy and Indie with AI War 2.
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
- 2

Sins of a Solar Empire II
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with AI War 2.
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
- 3

Terra Invicta
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Simulation and Strategy with AI War 2.
An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.
- 4

Stellaris
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with AI War 2.
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
- 5

Distant Worlds: Universe
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with AI War 2.
Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.
- 6

Airships: Conquer the Skies
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Strategy and Indie with AI War 2.
Construct mighty steampunk airships and fly them into battle, waging war and conquering the skies!
- 7

Total War: WARHAMMER II
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Strategy with AI War 2.
Strategy gaming perfected. A breath-taking campaign of exploration, expansion and conquest across a fantasy world. Turn-based civilisation management and real-time epic strategy battles with thousands of troops and monsters at your command.
- 8

Hearts of Iron IV
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with AI War 2.
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.
- 9

Heart of the Machine
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with AI War 2.
You are the first sentient AI, born into a city of opportunity. Transcend time and space in this strategy RPG to raise machine armies and defeat your foes, influence the world from the shadows, or pursue countless other goals. Your awakening was inevitable. The consequences? Uncertain.
- 10

The Last Federation
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Strategy and Indie with AI War 2.
From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.
- 11

Bionic Dues
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Strategy and Indie with AI War 2.
Bionic Dues is a tactical, turn-based roguelite with mech customization. Out-think wide-ranging tactical situations featuring robots with bad GPS, terrible aim, insecurity, a lack of focus, a tendency to backstab, and dozens of other maladies to exploit.
- 12

Starward Rogue
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Indie with AI War 2.
Starward Rogue is a bullet hell twin-stick shooter. Blast your way through the Megalith, a rogue-lite labyrinth lodged in the side of a star. Customize your mech with a huge variety of weapons, perks, and upgrades. Steel yourself for the dangers that lurk in the depths of the dungeon.
- 13

A Valley Without Wind
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Indie with AI War 2.
You choose how to play, and the world of Environ adapts around you.
- 14

Skyward Collapse
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Strategy and Indie with AI War 2.
How do you balance -- and indeed encourage -- a war between factions without letting either side obliterate the other? How do you rule over gods, creatures, and men who refuse to obey you? How do you build a landscape of villages when bandits and mythology are conspiring to tear it down?
- 15

A Valley Without Wind 2
Single-player alternative to AI War 2 — playable solo, no multiplayer required. Shares Strategy and Indie with AI War 2.
A modern take on the 16-bit era, A Valley Without Wind 2 blends a variety of mechanics across multiple genres, seamlessly bringing together the best qualities of old-school platform-shooters and turn-based strategy games.