Free games like Guinea Pig
Below are 10 free-to-play Steam games similar to Guinea Pig, 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 Guinea Pig page.
Ranked picks
- 1
Doki Doki Literature Club!
Free-to-play alternative to Guinea Pig — no purchase or trial window. Shares Indie and Casual with Guinea Pig.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
- 2
Life is Strange - Episode 1
Free-to-play alternative to Guinea Pig — no purchase or trial window. Shares Adventure with Guinea Pig.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
- 3
Helltaker
Free-to-play alternative to Guinea Pig — no purchase or trial window. Shares Indie and Adventure with Guinea Pig.
Helltaker is a short game about sharply dressed demon girls.
- 4
Ultimate Custom Night
Free-to-play alternative to Guinea Pig — no purchase or trial window. Shares Indie with Guinea Pig.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 5
Bongo Cat
Free-to-play alternative to Guinea Pig — no purchase or trial window. Shares Indie and Simulation with Guinea Pig.
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?
- 6
ENA: Dream BBQ
Free-to-play alternative to Guinea Pig — no purchase or trial window. Shares Indie and Adventure with Guinea Pig.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 7
The Murder of Sonic the Hedgehog
Free-to-play alternative to Guinea Pig — no purchase or trial window. Shares Indie and Simulation with Guinea Pig.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 8
Indigo Park: Chapter 1
Free-to-play alternative to Guinea Pig — no purchase or trial window. Shares Indie and Adventure with Guinea Pig.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 9
Addie Shen
Free-to-play alternative to Guinea Pig — no purchase or trial window. Shares Strategy and Indie with Guinea Pig.
Addie Shen is a math based puzzle shooter. Play solo, team up in co-op, or practice your skills to stop the evil PEMDAS minions. Can you save the world with math?
- 10
Poppy Sanctum Prologue: Aquance Isle
Free-to-play alternative to Guinea Pig — no purchase or trial window. Shares Indie and Adventure with Guinea Pig.
Join Mimi as you solve a puzzle on an island controlled by powerful mages. You'll befriend red pandas and other creatures to conduct magic in order to escape in this 2.5D Isometric, puzzle platformer.