IMHO.

Single-player games like Idle Monkey Theorem

Below are 8 single-player Steam games similar to Idle Monkey Theorem, 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 Idle Monkey Theorem page.

Ranked picks

  1. 1
    うんこタイピング — Steam game cover

    うんこタイピング

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

    This game is for Japanese only. うんこタイピング is a poo-themed typing game for Japanese. Players must type poop-related words as quickly and accurately as possible. Even if you are not good at typing, you can have fun practicing with this game.

    2022SportsIndieAdventure9.99 USDSingle-playerSimilar games →
  2. 2
    Guess The Sound — Steam game cover

    Guess The Sound

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

    Guess The Sound is a relaxing sound-based puzzle game where you type an answer to a question based on what you heard. Handcrafted levels, logic-driven challenges, and clever hints triggered by wrong answers in a unique game of listening and reasoning for casual players and puzzle lovers alike. 🧠🎵

    2026StrategyIndieCasual1.61 USDSingle-playerSimilar games →
  3. 3
    Simian Shakespeare — Steam game cover

    Simian Shakespeare

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

    One Bard. Infinite Monkeys. Hire apes to type at random until Shakespeare appears. Starting with a monkey pecking one character at a time, and scales all the way up to hundreds of monkeys hammering away and even a Monkey on your GPU typing millions of characters a second! Will they fill the book?

    2026CasualSingle-playerSimilar games →
  4. 4
    Seaman — Steam game cover

    Seaman

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

    Catch fish, earn upgrades, don't run out of fuel

    IndieAdventureRacingSingle-playerSimilar games →
  5. 5
    Squash and Spell : Kids Typing — Steam game cover

    Squash and Spell : Kids Typing

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

    A fun & friendly way for children to learn about letters, words, keyboards and writing!

    2025IndieCasual4.99 USDSingle-playerSimilar games →
  6. 6
    pWordle — Steam game cover

    pWordle

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

    pWordle is a fun and challenging word puzzle game inspired by the popular game Wordle and is available in multiple languages. With a virtual keyboard, Word of the Day, and Freeplay mode, a jukebox, gallery, players can unlock images and earn Steam achievements while improving their vocabulary.

    2023StrategyIndieCasual2.99 USDSingle-playerSimilar games →
  7. 7
    Distant Transmission — Steam game cover

    Distant Transmission

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

    Create nonsensical radio shows with your friends online!

    2021IndieCasualSingle-playerSimilar games →
  8. 8
    MEMOLOGY: THE 2000's — Steam game cover

    MEMOLOGY: THE 2000's

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

    MEMOLOGY: THE 2000's is a quiz about the objects and events we’ll never forget. Test how well you remember the games, internet culture, music, technology, memes, and other symbols of that unforgettable era.

    IndieCasualSingle-playerSimilar games →