Free games like Idle Monkey Theorem
Below are 8 free-to-play Steam games similar to Idle Monkey Theorem, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Idle Monkey Theorem page.
Ranked picks
- 1
Helltaker
Free-to-play alternative to Idle Monkey Theorem — no purchase or trial window. Shares Indie with Idle Monkey Theorem.
Helltaker is a short game about sharply dressed demon girls.
- 2
Bongo Cat
Free-to-play alternative to Idle Monkey Theorem — no purchase or trial window. Shares Indie with Idle Monkey Theorem.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
- 3
The Murder of Sonic the Hedgehog
Free-to-play alternative to Idle Monkey Theorem — no purchase or trial window. Shares Indie and Casual with Idle Monkey Theorem.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 4
The Looker
Free-to-play alternative to Idle Monkey Theorem — no purchase or trial window. Shares Indie with Idle Monkey Theorem.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 5
Our Life: Beginnings & Always
Free-to-play alternative to Idle Monkey Theorem — no purchase or trial window. Shares Indie and Casual with Idle Monkey Theorem.
A twenty-dollar bill, four summers, fifteen years, and a one of a kind life. Create an experience that’s all your own in this near-fully customizable visual novel where you grow from childhood to adulthood with the lonely boy next door.
- 6
NGU IDLE
Free-to-play alternative to Idle Monkey Theorem — no purchase or trial window. Shares Indie with Idle Monkey Theorem.
NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!
- 7
Awaria
Free-to-play alternative to Idle Monkey Theorem — no purchase or trial window. Shares Indie with Idle Monkey Theorem.
Awaria is a short game about working in haunted maintenance tunnels.
- 8
Virtual Cottage
Free-to-play alternative to Idle Monkey Theorem — no purchase or trial window. Shares Indie and Casual with Idle Monkey Theorem.
Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.