Free games like Prototype Mansion - Used No Cover
Below are 8 free-to-play Steam games similar to Prototype Mansion - Used No Cover, 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 Prototype Mansion - Used No Cover page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Prototype Mansion - Used No Cover — no purchase or trial window. Shares Indie with Prototype Mansion - Used No Cover.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Indigo Park: Chapter 1
Free-to-play alternative to Prototype Mansion - Used No Cover — no purchase or trial window. Shares Indie and Adventure with Prototype Mansion - Used No Cover.
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.
- 3
Khimera: Destroy All Monster Girls
Free-to-play alternative to Prototype Mansion - Used No Cover — no purchase or trial window. Shares Indie and Adventure with Prototype Mansion - Used No Cover.
Play as Chelshia the chimera in this platforming beat-em-up adventure into the wonderful world of monster girls!
- 4
SCP: Secret Laboratory
Free-to-play alternative to Prototype Mansion - Used No Cover — no purchase or trial window. Shares Indie with Prototype Mansion - Used No Cover.
Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape.
- 5
Poppy Playtime
Free-to-play alternative to Prototype Mansion - Used No Cover — no purchase or trial window. Shares Indie and Adventure with Prototype Mansion - Used No Cover.
You must stay alive in this horror/puzzle adventure. Try to survive the vengeful toys waiting for you in the abandoned toy factory. Use your GrabPack to hack electrical circuits or nab anything from afar. Explore the mysterious facility... and don't get caught.
- 6
Cry of Fear
Free-to-play alternative to Prototype Mansion - Used No Cover — no purchase or trial window. Shares Indie and Adventure with Prototype Mansion - Used No Cover.
Cry of Fear is a psychological single-player and co-op horror game set in a deserted town filled with horrific creatures and nightmarish delusions. You play as a young man desperately searching for answers in the cold Scandinavian night, finding his way through the city as he slowly descends into madness.
- 7
No More Room in Hell
Free-to-play alternative to Prototype Mansion - Used No Cover — no purchase or trial window. Shares Indie with Prototype Mansion - Used No Cover.
The chances of you surviving this all out war of society and the undead are slim to none. Already, there are millions of the walking dead shambling about, searching for food to eat. There's no known cure. One bite can possibly end it all for you. However, you aren't alone in this nightmare.
- 8
Freddy Fazbear's Pizzeria Simulator
Free-to-play alternative to Prototype Mansion - Used No Cover — no purchase or trial window. Shares Indie with Prototype Mansion - Used No Cover.
Start your own Freddy Fazbear's Pizzeria with Freddy Fazbear Pizzeria Simulator!