IMHO.

Single-player games like OnlyCats

Below are 10 single-player Steam games similar to OnlyCats, 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 OnlyCats page.

Ranked picks

  1. 1
    Slime Buddy Time — Steam game cover

    Slime Buddy Time

    Single-player alternative to OnlyCats — playable solo, no multiplayer required. Shares Indie and Casual with OnlyCats.

    Take care of your slime pet in a cozy world! Play minigames, level up, unlock cute items, and customize your buddy and its home. Keep up to 3 fluffy companions while you work or study. Relax, decorate, and enjoy adorable company—you won’t feel alone anymore.

    2026IndieCasualEarly Access7.19 USDSingle-playerSimilar games →
  2. 2
    PlinkIdle — Steam game cover

    PlinkIdle

    Single-player alternative to OnlyCats — playable solo, no multiplayer required. Shares Indie and Casual with OnlyCats.

    PlinkIdle is a retro-inspired game with an idle/incremental spin on a classic ball drop mechanic. Falling balls, rare buffs, and steady upgrades unlock colorful, cozy stages and immersive environments.

    2026StrategyIndieCasualSingle-playerSimilar games →
  3. 3
    Maneki Mania — Steam game cover

    Maneki Mania

    Single-player alternative to OnlyCats — playable solo, no multiplayer required. Shares Indie and Casual with OnlyCats.

    Pet the lucky cat, spin the charm slots and chase the golden koban jackpot. Maneki Mania is a kawaii fortune shrine where you unlock lucky charms, grow your luck and watch the gold pile up. Cute on the outside, casino on the inside.

    2026IndieCasualSingle-playerSimilar games →
  4. 4
    Crack That Smile — Steam game cover

    Crack That Smile

    Single-player alternative to OnlyCats — playable solo, no multiplayer required. Shares Indie and Casual with OnlyCats.

    A punchy, low-effort incremental game where you hover over frozen ice to shatter it and free adorable emojis. Upgrade your freezing-crushing power, break harder ice, feel invincible, and rescue every emoji collection in this short, packed game!

    IndieCasualSingle-playerSimilar games →
  5. 5
    Lofelia's Cozy Corner — Steam game cover

    Lofelia's Cozy Corner

    Single-player alternative to OnlyCats — playable solo, no multiplayer required. Shares Indie and Casual with OnlyCats.

    Meet Lofelia, your dreamy desktop companion who writes books as you work, study or game. In this cozy clicker game, every time you press a key Lofelia continues to write her stories. How will you decorate Lofelia's Cozy Corner?

    IndieCasualSingle-playerSimilar games →
  6. 6
    Swish Ball Clicker — Steam game cover

    Swish Ball Clicker

    Single-player alternative to OnlyCats — playable solo, no multiplayer required. Shares Indie and Casual with OnlyCats.

    An incremental basketball idler where every click is a swish. Upgrade your players to win matches and tournaments in this relaxing, 2D indie baller. Keep it open in the background and swish while you work.

    2026SportsIndieSimulation5.59 USDSingle-playerSimilar games →
  7. 7
    Fish to Cats: Catch & Feed — Steam game cover

    Fish to Cats: Catch & Feed

    Single-player alternative to OnlyCats — playable solo, no multiplayer required. Shares Indie and Casual with OnlyCats.

    Loads of fish! Loads of cats! Sail out to sea, charm every furball on Cat Island with fresh catch. Live your cozy ocean cat life!

    2026IndieCasual2.69 USDSingle-playerSimilar games →
  8. 8
    6-Sided Stories — Steam game cover

    6-Sided Stories

    Single-player alternative to OnlyCats — playable solo, no multiplayer required. Shares Casual with OnlyCats.

    A short and cozy puzzler with chill lofi beats: flip the puzzle pieces and colour them correctly to reveal the full picture! Discover how each image leads into the next, following a crew of adorable animals as they make friends and have wholesome adventures.

    2024Casual4.99 USDSingle-playerSimilar games →
  9. 9
    Coinsweeper — Steam game cover

    Coinsweeper

    Single-player alternative to OnlyCats — playable solo, no multiplayer required. Shares Indie and Casual with OnlyCats.

    Coinsweeper is a roguelite that combines classic Minesweeper with risk management, deck-building and gambling mechanics.

    2026StrategyIndieCasual2.49 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Unboxed: Idle Case Tycoon — Steam game cover

    Unboxed: Idle Case Tycoon

    Single-player alternative to OnlyCats — playable solo, no multiplayer required. Shares Indie with OnlyCats.

    Open cases, collect rare weapon skins, and build a fully automated skin business. Upgrade your auto-openers, fill your Vault, and outbid the bots in the Auction House. One more case. Always one more.

    StrategyIndieSimulationFreeSingle-playerSimilar games →