IMHO.

Single-player games like Project VTS

Below are 8 single-player Steam games similar to Project VTS, 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 Project VTS page.

Ranked picks

  1. 1
    Endeavor: Rite of Passage — Steam game cover

    Endeavor: Rite of Passage

    Single-player alternative to Project VTS — playable solo, no multiplayer required. Shares Strategy and Indie with Project VTS.

    Take command of powerful armies with intuitive player controls and classic RTS features and feel. Control powerful super-weapons and elite units through a 21-mission campaign. Continue the fight on 16 skirmish and 8 unique survival maps.

    2025StrategyIndieEarly Access19.99 USDSingle-playerSimilar games →
  2. 2
    Thukothea Defender — Steam game cover

    Thukothea Defender

    Single-player alternative to Project VTS — playable solo, no multiplayer required. Shares Strategy and Indie with Project VTS.

    A strategic tower-defense where you control powerfull drones. Unlock new tower and use specific technologies to defend your base on Thukothea!

    2021StrategyIndie4.99 USDSingle-playerSimilar games →
  3. 3
    Mine Defender — Steam game cover

    Mine Defender

    Single-player alternative to Project VTS — playable solo, no multiplayer required. Shares Strategy and Indie with Project VTS.

    Fight with AI-controlled drones, explore the mine and extract resources, upgrade your base and plan your defense. Protect your mine

    2025StrategyIndieEarly Access2.99 USDSingle-playerSimilar games →
  4. 4
    Raging Titan — Steam game cover

    Raging Titan

    Single-player alternative to Project VTS — playable solo, no multiplayer required. Shares Strategy and Indie with Project VTS.

    Build your towers, plan your efforts, watch out for changing paths and strike back against the alien invaders in this challenging tower defense game!

    2016StrategyIndieCasual4.99 USDSingle-playerSimilar games →
  5. 5
    Taur — Steam game cover

    Taur

    Single-player alternative to Project VTS — playable solo, no multiplayer required. Shares Strategy and Indie with Project VTS.

    Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?

    2020ActionStrategyIndie24.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    IDUN - Frontline Survival — Steam game cover

    IDUN - Frontline Survival

    Single-player alternative to Project VTS — playable solo, no multiplayer required. Shares Strategy and Indie with Project VTS.

    A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!

    2025ActionStrategyIndie14.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Mars or Die! — Steam game cover

    Mars or Die!

    Single-player alternative to Project VTS — playable solo, no multiplayer required. Shares Strategy and Indie with Project VTS.

    Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.

    2018ActionStrategyIndie19.99 USDSingle-playerSimilar games →
  8. 8
    Cliff Empire — Steam game cover

    Cliff Empire

    Single-player alternative to Project VTS — playable solo, no multiplayer required. Shares Strategy and Indie with Project VTS.

    After a nuclear war life on the surface became impossible. A 300m thick radioactive fog covered the Earth. We are looking for bold active people to manage the process of restoring life on Earth. Join!

    2019StrategyIndieSimulation17.99 USDDeck PlayableSingle-playerSimilar games →