Project Signal
Investigate a wilderness for potential evidence of UFO activity in this nonlinear 3-D horror game.
50% of 2 Steam reviews are positive$3.99
Games like Unknown Signal
Miss the mysterious and atmospheric pull of Unknown Signal? These games could fill that gap nicely.
Signal
Signal is an immersive action-adventure game made as a student project where you attempt to uncover the mystery behind your old mentor's distress message. To succeed in your mission, you will have to use your martial arts skills and fight off hostile creatures that are trying to stop you.
Mysterious, Atmospheric, Tense
83% of 23 Steam reviews are positiveFreeThe Unknown
Aboard a small spaceship, you embark on an exploration, daring to face the threats of the universe. Activate your spaceship and uncover the hidden secrets of this vast cosmos.
Mysterious, Atmospheric, Surreal
100% of 6 Steam reviews are positive$2.99The Signal From Tölva
The Signal From Tölva is an open-world first-person shooter set on a distant, haunted, future world. Unlock savage weapons and recruit robots to fight alongside you as rival factions struggle to discover the source of the mysterious signal. What you discover will decide the fate of a world.
Mysterious, Atmospheric, Tense
71% of 792 Steam reviews are positive$19.99Project Signal
Investigate a wilderness for potential evidence of UFO activity in this nonlinear 3-D horror game. The more you uncover, the more dangerous it gets - as you now may know too much...
Mysterious, Atmospheric, Tense
50% of 2 Steam reviews are positive$3.99O.V.N.I. Abduction
Face terrifying enemies from another planet who want to stop you at all costs in this first-person adventure. Explore terrifying and dark settings, solve puzzles and use the objects you find on the map to progress in your adventure.
Mysterious, Atmospheric, Tense
67% of 36 Steam reviews are positive$5.99no signal
An emotional point-and-click hard sci-fi adventure game about exploring an abandoned space station. Follow messages left by the long-gone staff to learn the outcome of the research team and the secrets they left behind.
Mysterious, Atmospheric, Surreal
99% of 70 Steam reviews are positive$15The Frosts: First Ones
An adventure about searching for a missing hunter and meeting with alien beings! Explore wild nature, climb on a rock, lure out a boar, meet a wolf, survive in a rockfall. Heal a deer and trick a creature! Meet the Unknown and find mystery!
Mysterious, Atmospheric, Surreal
90% of 39 Steam reviews are positive$2.99Untravelled Planet
Discover the secrets of an unknown planet 🪐. Develop your weapons and equipment 🔫 to overcome obstacles and challenges in this action-adventure game inspired by the retro games .
Mysterious, Colorful, Fast-paced
100% of 2 Steam reviews are positive$5.99Distorted Signal
Distorted Signal is a thrilling road trip adventure set on a forgotten planet where silence has lasted for millions of years. You are a wanderer in a world of ancient ruins, and only a mysterious, repeating signal breaks the silence of this lost land.
Mysterious, Atmospheric, Surreal
50% of 2 Steam reviews are positive$4.99INVASION
INVASION - is the simplest 3D shooter with surviving elements in which you must survive on an unknown planet.
Tense, Fast-paced
75% of 24 Steam reviews are positive$4.99Exo One
An alien signal gives humanity blueprints for a craft that bends gravity. Ride it across strange planets: roll downhill to build speed, flatten into a glider, skip across oceans and soar through boiling clouds toward a blue beam on the horizon. A short, hypnotic journey with no enemies and no way to lose.
Mysterious, Atmospheric, Colorful
89% of 5,087 Steam reviews are positivePlayers online now: 111$2.54SIGNALIS
A classic survival horror story about a technician android searching a frozen, dying facility for the person she loves. Scavenge scarce ammo, solve strange puzzles, and piece together a cosmic mystery that refuses to explain itself. Short, bleak and beautiful, it lingers long after the credits.
Mysterious, Atmospheric, Tense
96% of 31,602 Steam reviews are positivePlayers online now: 205$19.99
Cheaper than Unknown Signal
The Unknown
Aboard a small spaceship, you embark on an exploration, daring to face the threats of the universe.
100% of 6 Steam reviews are positive$2.99
The Signal From Tölva
The Signal From Tölva is an open-world first-person shooter set on a distant, haunted, future world.
71% of 792 Steam reviews are positive$19.99
Distorted Signal
Distorted Signal is a thrilling road trip adventure set on a forgotten planet where silence has lasted for millions of years.
50% of 2 Steam reviews are positive$4.99
O.V.N.I. Abduction
Face terrifying enemies from another planet who want to stop you at all costs in this first-person adventure.
67% of 36 Steam reviews are positive$5.99
Untravelled Planet
Discover the secrets of an unknown planet 🪐. Develop your weapons and equipment 🔫 to overcome obstacles and challenges in this action-adventure…
100% of 2 Steam reviews are positive$5.99
INVASION
INVASION - is the simplest 3D shooter with surviving elements in which you must survive on an unknown planet.
75% of 24 Steam reviews are positive$4.99
The Frosts: First Ones
An adventure about searching for a missing hunter and meeting with alien beings!
90% of 39 Steam reviews are positive$2.99
no signal
An emotional point-and-click hard sci-fi adventure game about exploring an abandoned space station.
99% of 70 Steam reviews are positive$15
Lost in Space
Lost in Space is an open space survival adventure game. You have received a distress signal from a spacecraft.
57% of 21 Steam reviews are positive$3.99
Mission: Aliens
Sergeant, last night we received a signal that an unknown aircraft of extraterrestrial origin had crashed in the taiga.
100% of 7 Steam reviews are positive$0.99
Signal Simulator
Game inspired by SETI. Take the role of a scientist to find an extraterrestrial signal .
79% of 973 Steam reviews are positivePlayers online now: 1$14.99
Hidden gems like Unknown Signal
Ghost Signal: A Stellaris Game
Ghost Signal is a VR action roguelite set in the Stellaris universe, where you captain your ship to battle a multitude of alien species.
93% of 106 Steam reviews are positivePlayers online now: 1$9.99
Dissonance
Dissonance is a top-down 3rd person adventure game. Players will encounter supernatural anomalies and creatures.
92% of 195 Steam reviews are positiveFree
Rescue Operation
Is a first-person shooter game. The game will follow the scenario of the game, and destroy the enemies in its path
87% of 255 Steam reviews are positive$3.99
Exo One
Pilot a gravity-bending craft across alien worlds, building speed with momentum and gliding toward a distant blue beam.
89% of 5,087 Steam reviews are positivePlayers online now: 111$2.54
Moon Mystery
The Moon's haunted - and when an astronaut loses contact with Earth, the adventure begins in full.
67% of 552 Steam reviews are positive$19.99
SIGNALIS
A classic survival horror story about a technician android searching a frozen, dying facility for the person she loves.
96% of 31,602 Steam reviews are positivePlayers online now: 205$19.99
Journey To The Savage Planet
Survey a colorful alien planet for a barely competent space company, scanning weird wildlife and printing gear from trash, alone or with a friend.
87% of 5,689 Steam reviews are positivePlayers online now: 31$29.99
Signal Simulator
Game inspired by SETI. Take the role of a scientist to find an extraterrestrial signal .
79% of 973 Steam reviews are positivePlayers online now: 1$14.99
The Signal From Tölva
The Signal From Tölva is an open-world first-person shooter set on a distant, haunted, future world.
71% of 792 Steam reviews are positive$19.99
Spirits of Xanadu
At the farthest edge of the explored universe, the research ship Xanadu slumbers in orbit around a mysterious planet.
77% of 356 Steam reviews are positive$4.99
Deep Space
You are entrusted with the role of one of the elite captains, put on a high-tech mech suit suitable for travel into space and go on an exciting…
60% of 136 Steam reviews are positive$3.99
Insanely Twisted Shadow Planet
In this Insanely Twisted, 2-D action-adventure game, explore unique environments and battle bizarre creatures.
88% of 584 Steam reviews are positive$14.99
Newest games like Unknown Signal
Signs of Life
Mine ore, build a base and piece together a crashed world in a 2D survival sandbox, alone or with a friend.
76% of 744 Steam reviews are positivePlayers online now: 131$9.74
The Solyani's Code
Help Elara tackle headaches that are way above her pay grade.
83% of 6 Steam reviews are positive$24.99
INFLUXIS
Explore a mesmerizing alien world, filled with deep bioluminescent wonders and horrors alike.
63% of 257 Steam reviews are positiveFree
Depths of Insanity 3
Follow a weird story of an Alien Slug trying to survive Planet Earth! It's all about the FUN, WEIRD & COZY things in life!
100% of 4 Steam reviews are positive$9.99
no signal
An emotional point-and-click hard sci-fi adventure game about exploring an abandoned space station.
99% of 70 Steam reviews are positive$15
Project Silverfish
Scavenge what you can, stay out of sight when you must, and piece together humanity's fate one dangerous run at a time.
92% of 3,276 Steam reviews are positivePlayers online now: 155$29.99
DREADTOME
Enter a corrupt and hostile library with the task of extracting forbidden knowledge from its tomes.
94% of 338 Steam reviews are positiveFree
Star Mission: Remote Sectors
A story-driven sci-fi adventure focused on exploration, atmosphere, and discovery.
80% of 10 Steam reviews are positive$9.99
The Unknown
Aboard a small spaceship, you embark on an exploration, daring to face the threats of the universe.
100% of 6 Steam reviews are positive$2.99
Signal
Signal is an immersive action-adventure game made as a student project where you attempt to uncover the mystery behind your old mentor's distress…
83% of 23 Steam reviews are positiveFree
Untravelled Planet
Discover the secrets of an unknown planet 🪐. Develop your weapons and equipment 🔫 to overcome obstacles and challenges in this action-adventure…
100% of 2 Steam reviews are positive$5.99
Moon Mystery
The Moon's haunted - and when an astronaut loses contact with Earth, the adventure begins in full.
67% of 552 Steam reviews are positive$19.99