Free games like Mansion of a Million Monsters!

Below are 8 free-to-play Steam games similar to Mansion of a Million Monsters!, 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 Mansion of a Million Monsters! page.

1
Life is Strange - Episode 1
Free-to-play alternative to Mansion of a Million Monsters! — no purchase or trial window. Shares Action and Adventure with Mansion of a Million Monsters!.
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.
2015ActionAdventureFreeDeck PlayableFree to playSimilar games →
2
The Murder of Sonic the Hedgehog
Free-to-play alternative to Mansion of a Million Monsters! — no purchase or trial window. Shares Indie with Mansion of a Million Monsters!.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
2023IndieSimulationFree To PlayFreeDeck PlayableFree to playSimilar games →
3
Indigo Park: Chapter 1
Free-to-play alternative to Mansion of a Million Monsters! — no purchase or trial window. Shares Action and Indie with Mansion of a Million Monsters!.
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.
2024ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
4
The Looker
Free-to-play alternative to Mansion of a Million Monsters! — no purchase or trial window. Shares Indie with Mansion of a Million Monsters!.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
2022IndieFreeDeck PlayableFree to playSimilar games →
5
Awaria
Free-to-play alternative to Mansion of a Million Monsters! — no purchase or trial window. Shares Action and Indie with Mansion of a Million Monsters!.
Awaria is a short game about working in haunted maintenance tunnels.
2024ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →
6
Travellin Cats in Paris
Free-to-play alternative to Mansion of a Million Monsters! — no purchase or trial window. Shares Indie with Mansion of a Million Monsters!.
Find 100 cats hidden in Paris, France in this cute hand-drawn hidden object game by Travellin Cats - the original viral hidden cat game creator!
2023IndieFree To PlayCasualFreeDeck VerifiedFree to playSimilar games →
7
Grimm's Hollow
Free-to-play alternative to Mansion of a Million Monsters! — no purchase or trial window. Shares Indie and Adventure with Mansion of a Million Monsters!.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
2019IndieAdventureRPGFreeDeck PlayableFree to playSimilar games →
8
UNBEATABLE [white label]
Free-to-play alternative to Mansion of a Million Monsters! — no purchase or trial window. Shares Action and Indie with Mansion of a Million Monsters!.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
2021ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →

Ranked picks