Free games like Whisper Mountain Outbreak
Below are 8 free-to-play Steam games similar to Whisper Mountain Outbreak, 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 Whisper Mountain Outbreak page.
Ranked picks
- 1
Indigo Park: Chapter 1
Free-to-play alternative to Whisper Mountain Outbreak — no purchase or trial window. Shares Action and Indie with Whisper Mountain Outbreak.
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.
- 2
Counter-Strike:Global Offensive
Free-to-play alternative to Whisper Mountain Outbreak — no purchase or trial window. Shares Action with Whisper Mountain Outbreak.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 3
Disfigure
Free-to-play alternative to Whisper Mountain Outbreak — no purchase or trial window. Shares Action and Indie with Whisper Mountain Outbreak.
Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!
- 4
Paper Lily - Chapter 1
Free-to-play alternative to Whisper Mountain Outbreak — no purchase or trial window. Shares Indie with Whisper Mountain Outbreak.
Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.
- 5
Project Kat - Paper Lily Prologue
Free-to-play alternative to Whisper Mountain Outbreak — no purchase or trial window. Shares Indie with Whisper Mountain Outbreak.
Project Kat is a short, unconventional RPG horror game in which there is always another way. Solve puzzles, make friends (or not), and guide Kat as she attempts to uncover the mystery behind a strange golden letter.
- 6
Cube Escape: Paradox
Free-to-play alternative to Whisper Mountain Outbreak — no purchase or trial window. Shares Indie with Whisper Mountain Outbreak.
The tenth Cube Escape follows the story of detective Dale Vandermeer who finds himself trapped in two different universes and needs to escape. Cube Escape: Paradox will be released together with the accompanying Paradox: A Rusty Lake Film.
- 7
Hello Neighbor Alpha 2
Free-to-play alternative to Whisper Mountain Outbreak — no purchase or trial window. Shares Indie with Whisper Mountain Outbreak.
Welcome to Alpha 2 of Hello Neighbor. Play against an advanced, self-learning AI in what eventually became Act 1 of Hello Neighbor - the stealth horror home invasion sim.
- 8
Lily's Well
Free-to-play alternative to Whisper Mountain Outbreak — no purchase or trial window. Shares Indie with Whisper Mountain Outbreak.
It is a rainy night in the Spring of 2005. Lily is left home alone after her Papa put her to bed. She is awoken by a cry for help outside her window. It is coming from the well. Help Lily gather rope to go down the well and save the poor soul trapped down there.