IMHO.

Single-player games like Tower Lab

Below are 8 single-player Steam games similar to Tower Lab, 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 Tower Lab page.

Ranked picks

  1. 1
    Legacy of Defense — Steam game cover

    Legacy of Defense

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

    Become the hero who protects the fantasy world and stop the monster invasion! 'Legacy of Defense' combines defense with deck-building. Build your deck, use powerful skills, gain experience, upgrade, clear stages, and defeat the final boss. Ready to test your strategy and luck?

    2025StrategyIndieSimulation3.59 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Axom: Conquest — Steam game cover

    Axom: Conquest

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

    Build and defend your fortress while expanding out in this hold-out tower defense roguelite. Battle across a procedural alien homeworld, fight back corrupted terrain, discover hundreds of structures and upgrades as physics-driven swarms threaten to wipe out humanity.

    2026StrategyIndie8.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    ploink — Steam game cover

    ploink

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

    A chaotic plinko inspired roguelike with a focus on wacky items and creative setups. Design a board of random crap and fill the screen with balls and numbers. There are no bad items you just gotta figure out how to use them.

    2026StrategyIndieSimulation11.69 USDSingle-playerSimilar games →
  4. 4
     白蛇之子 | The Son of White Snake: Roguelike Deckbuilder — Steam game cover

    白蛇之子 | The Son of White Snake: Roguelike Deckbuilder

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

    Leifeng Pagoda is no tower—it is an ancient serpent still breathing. Read enemy intent and forge card–relic engines in this Chinese cosmic-horror deckbuilder. Descend alone or online with up to 4 players.

    2026StrategyIndieRPG7.49 USDSingle-playerSimilar games →
  5. 5
    Hungry Ghosts — Steam game cover

    Hungry Ghosts

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

    Hungry Ghosts is a wild tower defense roguelike where you exorcise hungry ghosts with magical desserts and drinks! Play as a fearless witch and her various companions with unique powers, upgrade your dishes, and unleash powerful synergies to survive haunted waves and defeat bosses.

    StrategyIndieEarly AccessSingle-playerSimilar games →
  6. 6
    Tavern Defense — Steam game cover

    Tavern Defense

    Single-player alternative to Tower Lab — playable solo, no multiplayer required. Shares Strategy with Tower Lab.

    Tavern Defense is a Tower Defense + Roguelike Deckbuilder game where you build your deck of cards, carve your own paths for monsters, and create magnificent synergies to win the game.

    StrategySingle-playerSimilar games →
  7. 7
    ASCENDANT VEIL — Steam game cover

    ASCENDANT VEIL

    Single-player alternative to Tower Lab — playable solo, no multiplayer required. Shares Strategy and Casual with Tower Lab.

    ASCENDANT VEIL is a sci-fi roguelike deckbuilder where you create powerful card synergies, upgrade your Exosuit with Boosters, and explore mysterious planets filled with ancient ruins, deadly creatures, and cosmic secrets.

    StrategyCasualEarly AccessSingle-playerSimilar games →
  8. 8
    Deck of Haunts — Steam game cover

    Deck of Haunts

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

    Deck of Haunts invites you to become a malevolent Haunted House. Lure humans into your cursed halls, manipulate their fears, and drain their essence to grow your power. Use strategy to build your mansion and expand your dark influence, turning your home into a terrifying, inescapable nightmare.

    2025StrategyIndieSimulation10.99 USDDeck VerifiedSingle-playerSimilar games →