IMHO.

Single-player games like Chaos Galaxy 2

Below are 14 single-player Steam games similar to Chaos Galaxy 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 Chaos Galaxy 2 page.

Ranked picks

  1. 1
    Chaos Front — Steam game cover

    Chaos Front

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Chaos Galaxy 2.

    A turn-based space mecha mercenary game. You can recruit pilots and captains with varying stories and skills, buy and modify spaceships, mecha, artillery, and fighters, take missions, participate in battles between Galactic Powers, change the situations, and experience different stories.

    2026StrategyIndieRPGSingle-playerSimilar games →
  2. 2
    Chaos Galaxy — Steam game cover

    Chaos Galaxy

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Chaos Galaxy 2.

    A pixel-art turn-based Galaxy total war game. You can select 14 factions, 61 heroes, hundreds of warships and mecha, and command multiple fleets to carry out grand strategic operations on the map of the galaxy.

    2020StrategyIndie5.24 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Azure Infinity — Steam game cover

    Azure Infinity

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy with Chaos Galaxy 2.

    Mecha × Tactics! Azure Infinity is a turn-based tactical Strategy RPG set in a sci‑fi world. As an SRT member of the secret mercenary organization Yggdrasill, you will command the huge humanoid weapon RAIV to carry out a range of missions and confront the crisis approaching this world.

    StrategySingle-playerSimilar games →
  4. 4
    Xenonauts 2 — Steam game cover

    Xenonauts 2

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with Chaos Galaxy 2.

    Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe.

    2026StrategySimulationRPG39.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Super Robot Wars 30 — Steam game cover

    Super Robot Wars 30

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with Chaos Galaxy 2.

    30 years on, the battle for our world's future continues. Super Robot Wars is a tactical RPG that brings characters and robots from a variety of mecha anime together to battle their mutual foes.

    2021StrategySimulationRPG59.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Terra Invicta — Steam game cover

    Terra Invicta

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with Chaos Galaxy 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.

    2026StrategySimulation39.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    SandTable War: Three Kingdoms — Steam game cover

    SandTable War: Three Kingdoms

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Chaos Galaxy 2.

    "SandTable War: Three Kingdoms" is a strategic simulation game set during the Three Kingdoms period. Here you can play as various factions from Three Kingdoms history to conquer cities and lands, unify the realm. With abundant historical officers and scenarios, come restore the Han Dynasty!

    2026StrategyIndieSimulation8.49 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Chaos Sector 混沌宙域 — Steam game cover

    Chaos Sector 混沌宙域

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Chaos Galaxy 2.

    It's a retro-style strategy game, you can choose the Northsky Fleet or the Pirates, lead your commanders, controll many kinds of warships and robots, and fight a war with the enemy's fleet and alien horde on the galactic chessboard!

    2018StrategyIndieSimulation9.99 USDSingle-playerSimilar games →
  9. 9
    Stellaris — Steam game cover

    Stellaris

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with Chaos Galaxy 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.

    2016StrategySimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Sid Meier's Starships — Steam game cover

    Sid Meier's Starships

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy with Chaos Galaxy 2.

    Build and command a fleet of starships and travel between planets as you explore, build, negotiate, and fight to preserve your vision for humanity.

    2015Strategy3.74 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Romance of the Three Kingdoms — Steam game cover

    Romance of the Three Kingdoms

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy with Chaos Galaxy 2.

    "Romance of the Three Kingdoms" was first released in 1985. It was the first historical simulation game released in Japan based on the Chinese classical literature "Romance of the Three Kingdoms". Players become the leaders of their countries and strive to unite the land under their rule.

    2016Strategy6.49 USDSingle-playerSimilar games →
  12. 12
    NOBUNAGA'S AMBITION — Steam game cover

    NOBUNAGA'S AMBITION

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy with Chaos Galaxy 2.

    Nobunaga's Ambition, the first of the series, was released in 1983. Players assume the mantle of either Nobunaga Oda or Shingen Takeda and strive to conquer the entire land (17 areas in the Kansai and central Japan region). They manage their country to make it rich, then prepare their military forces.

    2016Strategy6.49 USDSingle-playerSimilar games →
  13. 13
    Total War: WARHAMMER II — Steam game cover

    Total War: WARHAMMER II

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required. Shares Strategy with Chaos Galaxy 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.

    2017ActionStrategy59.99 USDDeck PlayableSingle-playerSimilar games →
  14. 14
    MACROSS -Shooting Insight- — Steam game cover

    MACROSS -Shooting Insight-

    Single-player alternative to Chaos Galaxy 2 — playable solo, no multiplayer required.

    Introducing an all-new Macross game, the latest entry in the landmark science fiction franchise! Embark upon a galaxy-spanning mission to rescue the missing songstresses!

    2024Action39.99 USDDeck PlayableSingle-playerSimilar games →