IMHO.

Single-player games like Into The Depths

Below are 8 single-player Steam games similar to Into The Depths, 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 Into The Depths page.

Ranked picks

  1. 1
    坍塌世界 — Steam game cover

    坍塌世界

    Single-player alternative to Into The Depths — playable solo, no multiplayer required. Shares Strategy and Indie with Into The Depths.

    "Collapsing World" is an innovative tower defense game blending deck-building and roguelike mechanics. Recruit unique companions, craft powerful skill decks, and tackle randomized stages. Deep strategy breaks the traditional TD mold—every run is a fresh challenge!

    2026StrategyIndieSimulationFreeSingle-playerSimilar games →
  2. 2
    Combolands: Roguelike Citybuilder — Steam game cover

    Combolands: Roguelike Citybuilder

    Single-player alternative to Into The Depths — playable solo, no multiplayer required. Shares Strategy and Indie with Into The Depths.

    A mini citybuilding roguelike. Place buildings, stack combos, and master deep strategy in short bursts to create a tiny thriving metropolis!

    2026StrategyIndieSingle-playerSimilar games →
  3. 3
    Fragment Collapse — Steam game cover

    Fragment Collapse

    Single-player alternative to Into The Depths — playable solo, no multiplayer required. Shares Strategy and Indie with Into The Depths.

    Fragment Collapse is a satisfying tile matching rogue-like deck-builder where you defragment your hard drive by matching clusters of files. Discover powerful cartridges to upgrade your computer, boost your files with enhancements and build massive combos for file-busting mayhem!

    2026StrategyIndieCasualSingle-playerSimilar games →
  4. 4
    Cardopolis — Steam game cover

    Cardopolis

    Single-player alternative to Into The Depths — playable solo, no multiplayer required. Shares Strategy and Indie with Into The Depths.

    Cardopolis is card based city-builder, where you take on the role of Cardopolis' Mayor. Build up your city card by card, law by law, sector by sector and avoid meeting your investors' ire by reaching your goals in time!

    2026StrategyIndieSimulationSingle-playerSimilar games →
  5. 5
    Vortex Siege — Steam game cover

    Vortex Siege

    Single-player alternative to Into The Depths — playable solo, no multiplayer required. Shares Strategy and Indie with Into The Depths.

    Defend your city in Vortex Siege, a roguelike collectible card game where you can evolve your cards in unique ways for millions of possibilities. Defeat your enemies in battle, steal their cards, and customize them. Build and defend your town between battles. Collect, customize, and carry on!

    2026StrategyIndieSingle-playerSimilar games →
  6. 6
    Crownbreakers — Steam game cover

    Crownbreakers

    Single-player alternative to Into The Depths — playable solo, no multiplayer required. Shares Strategy and Indie with Into The Depths.

    Tyrants keep the magical city of Cascade in a chokehold. They grow fat by grinding everyone else's soul into profit. ✊ENOUGH! Crash into their districts and build your deck as you push forward. Use your champions and cards to pummel some demonic billionaires in this turn-based card-game brawler.

    StrategyIndieRPGSingle-playerSimilar games →
  7. 7
    Random Dragons — Steam game cover

    Random Dragons

    Single-player alternative to Into The Depths — playable solo, no multiplayer required. Shares Strategy and Indie with Into The Depths.

    A chance-based roguelike deckbuilder with silly, chaotic dragons. Spin the roulette wheel to multiply your card effects, manipulate the odds, and unleash ridiculous combo turns. Build a synergistic deck, outsmart RNG, and climb your way to the Boss Dragons.

    2026StrategyIndieSingle-playerSimilar games →
  8. 8
    King's Haven — Steam game cover

    King's Haven

    Single-player alternative to Into The Depths — playable solo, no multiplayer required. Shares Strategy with Into The Depths.

    Build your deck, expand your kingdom, and defend your Haven! Recruit Citizens, construct landmarks, and build powerful combos in this roguelike deckbuilder where each card is a Citizen and each season brings new rewards, new threats, and new choices.

    StrategyCasualSingle-playerSimilar games →