IMHO.

Single-player games like They Came From Below

Below are 16 single-player Steam games similar to They Came From Below, 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 They Came From Below page.

Ranked picks

  1. 1
    Towers & Goblins: The Last Stand — Steam game cover

    Towers & Goblins: The Last Stand

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Strategy and Indie with They Came From Below.

    Build towers, manage resources, and lead units to defend your kingdom against goblins. Every decision you make determines your kingdom's fate.

    2025StrategyIndieSimulation4.99 USDSingle-playerSimilar games →
  2. 2
    Defender's Dynasty — Steam game cover

    Defender's Dynasty

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Action and Strategy with They Came From Below.

    A 2D Strategic Base Defender game set in Medieval times. As relentless Waves of enemy forces threaten your Stronghold, you must gather Resources, Fortify your Defenses and lead your Rebellion. Prepare to strengthen your Base and manage your Resources. But beaware of the Storms!

    2025ActionStrategyIndie8.99 USDSingle-playerSimilar games →
  3. 3
    Scarecropia — Steam game cover

    Scarecropia

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Action and Strategy with They Came From Below.

    Here is Scarecropia! Lead at most 400 people to build a settlement. Arm your village to fight against the Goblin army, or invest limited resources in yourself to become unparalleled! Take every cost to survive!

    2025ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  4. 4
    Templar Castle Builder — Steam game cover

    Templar Castle Builder

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Action and Strategy with They Came From Below.

    Besiege and conquer the castles and towns of your enemies. Build siege machines and train your army to assault the fortified cities but do not neglect your defence system. Change the course of history, and do not let the Templar Order fall.

    ActionStrategyAdventureSingle-playerSimilar games →
  5. 5
    Diplomacy is Not an Option — Steam game cover

    Diplomacy is Not an Option

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Action and Strategy with They Came From Below.

    Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?

    2024ActionStrategyIndie29.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Stronghold: Definitive Edition — Steam game cover

    Stronghold: Definitive Edition

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Strategy and Simulation with They Came From Below.

    Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.

    2023StrategySimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Tower Factory — Steam game cover

    Tower Factory

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Action and Strategy with They Came From Below.

    Tower Factory is a tower defense and automation game with roguelite elements. Optimize resource production using conveyor systems while defending against monster waves. Can you find and destroy the enemy tower before it's too late?

    2024ActionStrategyIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Medieval Kingdom Wars — Steam game cover

    Medieval Kingdom Wars

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Action and Strategy with They Came From Below.

    Rewrite medieval history through bloody siege combat in a fusion of RTS and Grand Strategy genres. Rule, build, and serve your King as a minor lord in medieval Europe. Experience siege, field and naval combat with an unseen degree of brutality. Rogue-like progression, epic towns and battles await…

    2019ActionStrategyIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    VoxFox — Steam game cover

    VoxFox

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Strategy and Indie with They Came From Below.

    VoxFox - a cute real-time strategy made in voxel graphics for any age.

    2020StrategyIndieSimulation2.99 USDSingle-playerSimilar games →
  10. 10
    DuelVox — Steam game cover

    DuelVox

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Action and Strategy with They Came From Below.

    DuelVox - a first-person shooter in the western style. Defeat all the cowboys and become the best shooter in the wild west!

    2020ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  11. 11
    PhotoWorld — Steam game cover

    PhotoWorld

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Indie and Adventure with They Came From Below.

    PhotoWorld is a calm travel game, the essence of which is to take beautiful photos.

    2020IndieAdventureSimulation9.99 USDSingle-playerSimilar games →
  12. 12
    Divine Stone — Steam game cover

    Divine Stone

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Action and Strategy with They Came From Below.

    Divine Stone is a 2D platformer puzzle game in which you have to find answers to riddles that will definitely make you brainwash. In addition, time constraints and a variety of opponents will become an obstacle on your way.

    2020ActionStrategyIndie0.99 USDSingle-playerSimilar games →
  13. 13
    LineVox — Steam game cover

    LineVox

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Indie and Casual with They Came From Below.

    LineVox is a casual cyberpunk game suitable for both one and several players, where you have to control the ship avoiding obstacles in order to win.

    2020IndieMassively MultiplayerCasual9.99 USDSingle-playerSimilar games →
  14. 14
    How does it work!? — Steam game cover

    How does it work!?

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Strategy and Indie with They Came From Below.

    How does it work!? - Physics game in the genre of puzzle-constructor, performed in 3D graphics.

    2021StrategyIndie9.99 USDSingle-playerSimilar games →
  15. 15
    DuelVox: Max Quality — Steam game cover

    DuelVox: Max Quality

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Action and Indie with They Came From Below.

    DuelVox: Max Quality is an offline first-person shooter made in western style. In this game there are many levels with different tasks, to complete them you will need ingenuity and dexterity, and sometimes even strategy.

    2021ActionIndieSimulation19.99 USDSingle-playerSimilar games →
  16. 16
    PhotoWorld: Smooth Сorners — Steam game cover

    PhotoWorld: Smooth Сorners

    Single-player alternative to They Came From Below — playable solo, no multiplayer required. Shares Indie and Adventure with They Came From Below.

    PhotoWorld: Smooth Corners is a third person 3D visual game in which the world is created for the player.

    2021IndieAdventureSimulation9.99 USDSingle-playerSimilar games →