IMHO.

Single-player games like oGANTTo

Below are 11 single-player Steam games similar to oGANTTo, 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 oGANTTo page.

Ranked picks

  1. 1
    Calypso — Steam game cover

    Calypso

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

    Calypso is the roguelike dice-builder! Roll dice to score big and earn powerful game-changing upgrades. Buy cards to enhance your score, and chips to upgrade your dice. Rinse and repeat to create the ultimate dice scoring Rube Goldberg machine!

    StrategySingle-playerSimilar games →
  2. 2
    这张不算 This One Doesn't Count — Steam game cover

    这张不算 This One Doesn't Count

    Single-player alternative to oGANTTo — playable solo, no multiplayer required. Shares Strategy and Simulation with oGANTTo.

    "This One Doesn't Count"—You lived to 40, buying lottery tickets every single day, never winning once. On your deathbed, God reveals: "Everyone who won was cheating." Reborn for one more try, do whatever it takes to pay your daughter's tuition before exam day. Scratch-card × Roguelite.

    2026StrategyIndieAdventure4.49 USDSingle-playerSimilar games →
  3. 3
    The HOUSE — Steam game cover

    The HOUSE

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

    Inspired by Balatro and Vampire Survivors. In every casino game, the house always wins. In The HOUSE, you are the casino. A NY mob family runs the most crooked casino in Vegas — and you're their engineer. Rig the machines, break the odds, and launder a fortune one gloriously broken payout at a time.

    2027StrategyIndieCasualSingle-playerSimilar games →
  4. 4
    Dynasty Basketball Manager — Steam game cover

    Dynasty Basketball Manager

    Single-player alternative to oGANTTo — playable solo, no multiplayer required. Shares Strategy and Simulation with oGANTTo.

    A basketball manager game without the fuss. Your players are your deck. A unique blend of sports management, roguelikes, and deckbuilders: draft, trade, and upgrade cards, choose perks, and play thrilling card battles instead of watching simulations. Create a dynasty from any team!

    2026SportsStrategySimulationSingle-playerSimilar games →
  5. 5
    Diecast — Steam game cover

    Diecast

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

    Welcome to the dice roguelite. Stuff your bag with wild dice and pins, chain ridiculous scoring combos, and build a point engine to conquer ever-escalating targets. This ain't your Grandma's dice game!

    2026StrategyIndieCasualSingle-playerSimilar games →
  6. 6
    Save Humanity.exe — Steam game cover

    Save Humanity.exe

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

    A roguelike deckbuilder based around designing a microchip from a pile of junk circuits to out compute incoming viruses trying to crash your system. Combo hardware with software programs to chain multipliers that overflow your FLOP meter before the glitches overwhelm you.

    2027StrategyCasualSingle-playerSimilar games →
  7. 7
    Board Poker — Steam game cover

    Board Poker

    Single-player alternative to oGANTTo — playable solo, no multiplayer required. Shares Strategy and Simulation with oGANTTo.

    A roguelike deckbuilder where you build a board, not just a hand. Drop cards onto the grid and score poker hands across every row, column, and diagonal at once. Stack rule-breaking augments, chain explosive combos, and rake in the gold.

    StrategyIndieSimulationFreeSingle-playerSimilar games →
  8. 8
    Leaf Us Alone — Steam game cover

    Leaf Us Alone

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

    Build a powerful army with synergistic abilities, and prove your strategic mastery in this unique deckbuilding roguelite. Command your forces in battle, triggering outrageous combo to defeat the invading Voidlings threatening to consume the world.

    2027StrategyIndieSingle-playerSimilar games →
  9. 9
    a land Goo's crazy — Steam game cover

    a land Goo's crazy

    Single-player alternative to oGANTTo — playable solo, no multiplayer required.

    A 2D action roguelike where you have to slash, dash, dodge, manage your stamina, and collect loot to beat 12 unique levels. The boss fights are difficult. And it’s your duty to regain the memory of the Goo’s and rid the land of the corrupt king.

    2023ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  10. 10
    Streets of Handbags — Steam game cover

    Streets of Handbags

    Single-player alternative to oGANTTo — playable solo, no multiplayer required. Shares Simulation with oGANTTo.

    A shopping-themed roguelite where you cook with Grandma!

    2025ActionIndieSimulation3.99 USDSingle-playerSimilar games →
  11. 11
    OmniSeed — Steam game cover

    OmniSeed

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

    Play as a kind-hearted god in a tiny world. Grow thriving forests, inspire mortals to stand strong, and unleash nature's fury to shield them from evil. One small miracle at a time.

    2026StrategyIndieCasual2.12 USDSingle-playerSimilar games →