IMHO.

Single-player games like Extremely Realistic Siege Warfare Simulator

Below are 11 single-player Steam games similar to Extremely Realistic Siege Warfare Simulator, 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 Extremely Realistic Siege Warfare Simulator page.

Ranked picks

  1. 1
    Wardudes — Steam game cover

    Wardudes

    Single-player alternative to Extremely Realistic Siege Warfare Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Extremely Realistic Siege Warfare Simulator.

    WarDudes is a turn-based tactical warfare game inspired by the Worms series and PS1 classic Hogs of War. Take turns controlling members of your squad and try to prevail on the other teams! Use a large variety of weapons to destroy the enemy and change the landscape with explosive artillery!

    2022ActionStrategyIndie14.99 USDSingle-playerSimilar games →
  2. 2
    Han Xiongnu Wars — Steam game cover

    Han Xiongnu Wars

    Single-player alternative to Extremely Realistic Siege Warfare Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Extremely Realistic Siege Warfare Simulator.

    Welcome to Han Xiongnu Wars. A stand-along game and synergy of historical Far East and multiple features in role-playing, real-time strategy and action gameplay. This game brings you to the eventful years of the early Han Dynasty, and faithfully presents the ancient eastern culture with many objects and scenes faithfully reconstructed...

    2017ActionStrategyIndie6.99 USDSingle-playerSimilar games →
  3. 3
    Mechabellum — Steam game cover

    Mechabellum

    Single-player alternative to Extremely Realistic Siege Warfare Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Extremely Realistic Siege Warfare Simulator.

    Command massive armies in this epic mech auto-battler. Draft your troops, customize your units, master your formations, and crush enemies in spectacular 3D battles. All strategy, no clickfest. Outsmart opponents in 1v1, 2v2, free-for-all, or Survival Mode.

    2024ActionStrategyIndie11.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    From the Depths — Steam game cover

    From the Depths

    Single-player alternative to Extremely Realistic Siege Warfare Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Extremely Realistic Siege Warfare Simulator.

    Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.

    2020ActionStrategyIndie24.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Ancient Wars: Sparta Definitive Edition — Steam game cover

    Ancient Wars: Sparta Definitive Edition

    Single-player alternative to Extremely Realistic Siege Warfare Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Extremely Realistic Siege Warfare Simulator.

    One of the most innovative Real-Time Strategy Games comes back totally renewed and improved to the smallest detail, with epic large scale battles, new civilizations, unit customization system never seen before in a game, 8K support, and much more.

    2022ActionStrategyIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Steel Division 2 — Steam game cover

    Steel Division 2

    Single-player alternative to Extremely Realistic Siege Warfare Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Extremely Realistic Siege Warfare Simulator.

    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.

    2019ActionStrategyIndie39.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    9-Bit Armies: A Bit Too Far — Steam game cover

    9-Bit Armies: A Bit Too Far

    Single-player alternative to Extremely Realistic Siege Warfare Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Extremely Realistic Siege Warfare Simulator.

    Unleash voxel warfare in 9-Bit Armies: A Bit Too Far. Lead a modern military, build bases, unlock units, and attack in all-out war. Engage on land, sea and air in over two dozen missions, online skirmishes, or co-op. Easy to learn, a challenge to master.

    2024ActionStrategyIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Wargame: Red Dragon — Steam game cover

    Wargame: Red Dragon

    Single-player alternative to Extremely Realistic Siege Warfare Simulator — playable solo, no multiplayer required. Shares Strategy and Indie with Extremely Realistic Siege Warfare Simulator.

    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.

    2014StrategyIndieSimulation29.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Totally Accurate Battle Simulator — Steam game cover

    Totally Accurate Battle Simulator

    Single-player alternative to Extremely Realistic Siege Warfare Simulator — playable solo, no multiplayer required. Shares Strategy and Indie with Extremely Realistic Siege Warfare Simulator.

    Be the leader of wobblers from ancient lands, spooky places, and fantasy worlds. Watch them fight in simulations made with the wobbliest physics system ever created, make your own wobblers in the unit creator and send your army off to fight your friends in multiplayer.

    2021StrategyIndieSimulation19.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    AngerForce: Reloaded — Steam game cover

    AngerForce: Reloaded

    Single-player alternative to Extremely Realistic Siege Warfare Simulator — playable solo, no multiplayer required.

    AngerForce: Reloaded is an action-packed vertically scrolling shoot'em up game that pays homage to the classics of 90’s arcades. This high octane experience is set against the backdrop of a 19th century human world that has seen the outbreak of a robot rebellion.

    20179.99 USDSingle-playerSimilar games →
  11. 11
    Ancient Abyss — Steam game cover

    Ancient Abyss

    Single-player alternative to Extremely Realistic Siege Warfare Simulator — playable solo, no multiplayer required. Shares Action and Indie with Extremely Realistic Siege Warfare Simulator.

    Ancient Abyss is a 2D Zelda-like action game where you will explore mysterious and hidden events in a randomly generated maze. As you progress, you’ll gain more power and collect items to help you reach further into the maze.

    2021ActionIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →