Free games like Signal Zero
Below are 8 free-to-play Steam games similar to Signal Zero, 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 Signal Zero page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Signal Zero — no purchase or trial window. Shares Indie with Signal Zero.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Star Fetchers
Free-to-play alternative to Signal Zero — no purchase or trial window. Shares Indie with Signal Zero.
The introduction to a wild ride with gangsters and deep state conspiracy theories
- 3
Paper Lily - Chapter 1
Free-to-play alternative to Signal Zero — no purchase or trial window. Shares Indie with Signal Zero.
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.
- 4
Z.A.T.O. // I Love the World and Everything In It
Free-to-play alternative to Signal Zero — no purchase or trial window. Shares Indie with Signal Zero.
USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.
- 5
Project Kat - Paper Lily Prologue
Free-to-play alternative to Signal Zero — no purchase or trial window. Shares Indie with Signal Zero.
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
Higurashi When They Cry Hou - Ch.1 Onikakushi
Free-to-play alternative to Signal Zero — no purchase or trial window.
Higurashi When They Cry is a sound novel. The music, backgrounds and characters work together to create a world that is the stage of a novel for the user to read. They laugh and cry and get angry. The user takes the point of view of the protagonist to experience the story.
- 7
Cube Escape: Paradox
Free-to-play alternative to Signal Zero — no purchase or trial window. Shares Indie with Signal Zero.
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.
- 8
Tails Noir: Prologue
Free-to-play alternative to Signal Zero — no purchase or trial window. Shares Indie with Signal Zero.
Tails Noir: Prologue is the first act of a post-noir narrative adventure. Become raccoon private eye Howard Lotor and explore dystopian Vancouver inhabited by animals as you uncover a deeply personal story of change and transformation.