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 — Steam game cover

    Combolands

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

    Combolands is a synergetically satisfying deckbuilder where cards are buildings and the map is your deck! Create outrageous combos, break the game, and experience a unique roguelike where the terrain changes every run.

    StrategyIndieSingle-playerSimilar games →
  3. 3
    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!

    StrategyIndieSimulationSingle-playerSimilar games →
  4. 4
    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 →
  5. 5
    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 →
  6. 6
    These Doomed Isles: The First God — Steam game cover

    These Doomed Isles: The First God

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

    These Doomed Isles: The First God is a prologue chapter of the main game, These Doomed Isles. Play as Cernunnos, the Celtic god of nature, and lead the Celtic civilisation to victory against waves of invaders, curses and more!

    2023StrategyIndieSimulationFreeDeck PlayableSingle-playerSimilar games →
  7. 7
    Spinny Dungeon — Steam game cover

    Spinny Dungeon

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

    The slot machine roguelike. Each time you hit the SPIN button monsters creep closer. KILL 'em! LOOT 'em! EAT 'em! Focus on spells or synergies between symbols. Spin to DIE or spin to SURVIVE!

    2026StrategyIndieRPG9.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Dice A Million — Steam game cover

    Dice A Million

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

    Have you ever tried to roll 1,000,000 on a set of dice? No? Build the right bag of die, and you might just pull it off.

    2026StrategyIndie10.39 USDDeck PlayableSingle-playerSimilar games →