Top similar games like Unknown Signal:
Unknown Signal $39.99
Unknown Signal is a 3D adventure game. You have received a mysterious signal and you have to find out what or who sent it.
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Hellfire Rampage VR$9.99
HELLFIRE RAMPAGE is a thrilling VR combat game. You as the inventor of teleportation, hunt for crystal essences to unlock a portal to dangerous dungeons. Battle hellish creatures using a wide arsenal of interdimensional weapons. Unique combat mechanics and challenges are awaiting!
Little Droid$4.99
In the game "Little Droid" you will find exciting levels with a variety of traps, obstacles and riddles. You will explore amazing locations including a secret bunker, deep dungeons and mysterious forests. Each level offers new challenges and secrets to uncover.
FOBIA ...worse than fear.$15.99
An adventure of exploration, intrigue and psychological terror of great originality.
FORM$14.99
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ReSetna$19.99
ReSetna is an action-adventure with fast-paced combat and intense battles set in a fractured, post-apocalyptic world. Fight through hordes of corrupted machines, upgrade your abilities, traverse treacherous environments and explore to uncover the truth of what happened.
Kronostasis$9.99
A fast-paced FPS following a sci-fi story taking inspiration from Greek mythology and blending it with fantasy elements. As a security robot aboard a deep space mining vessel, you must face an unknown threat when crewmembers start turning into creatures of ancient myth.
Beyond Flesh and Blood$14.99
Space is easy... Prepare for Earth.Beyond Flesh and Blood is the harsh shooter designed to push your skills to the limit.
The Indie Game Legend 3D$9.99
Blast vicious aliens, explore their mysterious labyrinth, and rescue indie game makers in this lighthearted NES inspired first-person action adventure!
Unknown Signal: Invasion$39.99
Unknown Signal: Invasion is a continuation of the exciting sci-fi game. This time you have to go to an unknown planet to investigate a new mysterious signal coming from an unknown source.
World of Subways 4 – New York Line 7$19.99
The series "World of Subways" features some of the most interesting Subway Routes of the world for the PC. Once again World of Subways 4 comes back to New York, perhaps the most exciting city in the world. The whole gaming world takes place in the 70ies/80ies and is created in its typical look.
[Chilla's Art] Inunaki Tunnel | 犬鳴トンネル$2.99
Inunaki tunnel (or Inunaki village) is a famous Japanese horror spot where people have been killed or burnt to death.
Granny Remake$6.99
Granny Remake is a gripping horror game where you must escape from a sinister house chased by a cunning and relentless Granny. Choose from multiple escape routes: drive away in a car, call the police, or unlock the main door
Lost in Space$3.99
Lost in Space is an open space survival adventure game. You have received a distress signal from a spacecraft.
Flawless Darkness$10.99
Flawless Darkness is designed so that blind and non-blind people can have the same play experience. That's why you play the game only with sound, with no graphics at all. Players will have a special experience just escaping the maze in darkness.
Scavenger SV-4$14.99
Scavenger SV-4 is a highly replayable atmospheric first-person science fiction game. Part simulator, part roguelike, it has elements of action, combat, resource management, and a dash of horror. It is not quite like any game you have played before.
[Chilla's Art] The Convenience Store | 夜勤事件$2.99
The Convenience Store | 夜勤事件 is a J-horror game about a college girl on a night shift.
The Unknown$2.99
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.
[Chilla's Art] Stigmatized Property | 事故物件$2.99
Stigmatized Property, 事故物件 (Jiko bukken) is a horror game inspired by haunted apartment rooms in Japan. These properties are known to have cheap rents and you play to find out the exact reason why.
The Light Keeps Us Safe$19.99
THE LIGHT KEEPS US SAFE is a procedurally-generated apocalypse in which only The Light can save us. Use stealth and evasion to avoid terrifying machines that patrol the desolate world, and employ the powers of Light to unpick their deadly traps.
[Chilla's Art] Okaeri | おかえり$2.99
Okaeri is a VHS Japanese psychological horror game about a middle school girl and her mother who recently moved to a new house.
Witness of the Night$4.99
Survive the night in an old observatory, helping your friend find the sources of mysterious radiation from outer space.
Myha: Return to the Lost Island$14.99
MYHA is a First Person Adventure game (Myst-like), part of a sci-fi series named The Black Cube (ASA: A Space Adventure...). Visit Myha, a moon in a far away solar system, and try to understand why you were teleported there.
SuperOffice$9.99
SuperOffice is an intense top down view shooter experience where time moves only when you move.
Sin-Cay$2.99
A sci-fi adventure with shooter and puzzle elements. The game follows the adventures of Shin-kai, a half-divine creature animated by ancient magic in an uncharted and mysterious world. The story begins in 1959 in the Soviet Union, in a place called "the mountain of the dead".
Abyss of NeptuneFREE
Abyss of Neptune is a survival horror game set in the deep seas of the Bermuda Triangle. You are sent to investigate a mysterious underwater signal, but there is more to it than meets the eye. Do you have what it takes to survive the abyss?
The Eyes of Ara$14.99
Explore a vast, mysterious castle riddled with secret rooms and challenging puzzles in this award-winning puzzle adventure.
Myst of Guatemala$4.99
Experience this first-person horror game in a tiny Guatemalan home. As a journalist, you investigate a mysterious villa after your long-lost friend Eddie calls. Grim halls, monsters, and rusty mailbox blood await. The four chapters include spooky stories, jump scares, and difficult riddles.
Faraday Protocol$19.99
Faraday Protocol is a first person puzzle game that will test your wits and intelligence. Use the Bia-Tool, an ancient pistol-like relic of an alien civilization, to solve puzzles by bending energy and manipulating enigmatic machinery.
Scenner$9.99
Scenner is a single-player sci-fi and survival horror game. One of the main elements of the gameplay is utter darkness where a sonar is your only friend. A tense adventure is waiting for you.
Lonely in the Winter$2.99
Embark on the journey of Robbery Cold, a former soldier of the Kingdom of Thaltas, now living as a mercenary since a terrible tragedy struck his life, with his wife dying due to an incurable disease.
dead run$2.99
Travel around a fully-explorable, post-apocalyptic version of Earth and find the source of a mysterious radio signal. Collect supplies along the way to stay alive. Is there anyone out there?
Astrometica: PrologueFREE
Astrometica: Prologue is the free game about surviving in space. You need to use your skills and tools to stay alive. There are many challenges to face, and you need to fight to survive. You also need to build a new base in space.
Potentia$19.99
Third person shooter action adventure game with post-apocalyptic theme. Witness the adventures of Victor and his friends in this abandoned world.
Last Signal$0.99
Last Signal is a short, story-driven, walking simulator visual novel. On a mysterious journey through space, astronaut Adam 'Echo' Winters awakens in an abandoned station with amnesia. He must unravel the secrets of the station, where reality and illusion are intertwined.
ISOLAND3: Dust of the Universe$2.99
A sequel to the ISOLAND series, where you continue your journey to explore the story of the universe on this island.
Interregnum Chronicles: Signal$9.99
Mysterious signal with an unknown purpose reaches Earth. Inside a space station, a lone Operator and the onboard AI are tasked with analyzing the signal, but the process itself seems to have an unexpected effect on them. This is an INCREMENTAL game with a heavy emphasis on story.
Back to the Rooms$6.99
Back to the Rooms is a 6-player co-op horror experience. Survive and explore the backrooms with your friends or alone to save your home.
DeliSpace$9.99
Deliver packages... in space! Test your agility by navigating through different galaxies carrying diverse packages and upgrade your ship. Will you become the best courier in the universe?
The Search$3.99
Embark on a journey of discovery and inspiration in The Search - a story-driven puzzle-adventure set in a mysterious world where art comes to life!
after the meteor shower$0.99
A platform game that starts with a space trip... simple mechanics, many different enemies, with 40 stages and sub-phases - 68 passages approximately
History in Letters - The Eternal Alchemist$7.99
Follow the trail of famous Nicolas Flamel - Use your wits and solve the riddle of the lost diary!
Don't Be Afraid$9.99
Don't Be Afraid is an adventure horror game, that allows you to personate a boy, kidnapped by a psychopath. You have to survive, escape and find out how you were kidnapped. Exploring the gigantic, mysterious house of your torturer, you will soon reveal many secrets, hidden inside it’s walls…
Catyph: The Kunci Experiment$9.99
CATYPH is a First Person Adventure game (Myst-like), part of a sci-fi series named The Black Cube (ASA: A Space Adventure...). Visit Tytaah, a moon of Catyph divided into 7 regions, and try to save your home planet Terra by solving the challenging puzzles of the mysterious Germinal.
The Ghost Treasure$4.99
Use your soul as a stake to gamble for a treasure of the undead captain. As long as you take the randomly distributed flintlock gun and fight a duel with the ghost pirates, you can leave with the treasure, or your soul will remain on the undead ship forever. Good luck.
Devastation 2 - Repatriation$3.99
Kill enemies, earn a multiplier, build score, unlock weapons, upgrade content, achievements. Battle in a revolutionized futuristic environment with 12 dynamic levels, fight bosses and waves of enemies. Equip 11 weapon types, 6 missiles types, customize classes, repair damage and unlock skins
The Mirror's Curse$1.99
The Mirror's Curse is a first-person escape-room puzzle game with a mysterious, action-packed twist. Trapped in limbo — a distorted version of your own home — you must solve intricate mirror puzzles, navigate maze-like rooms, and outsmart vengeful spirits to break free
Slime Rancher$19.99
Slime Rancher is the tale of Beatrix LeBeau, a plucky, young rancher who sets out for a life a thousand light years away from Earth on the ‘Far, Far Range’ where she tries her hand at making a living wrangling slimes.
Adorabilis$2.99
"Adorabilis" is a game where you control a white ghost to protect adorabilis from various threats while sending it home. You'll have to dodge enemies and trap, or using skills to get through difficulties on the way to home.
'n Verlore Verstand$0.99
Be prepared to be transported to a reality of dreams and nightmares. What will you discover about yourself in this journey through the subconscious?
ASA: A Space Adventure - Remastered Edition$9.99
ASA: A Space Adventure is a first-person sci-fi adventure game reminiscent of games such as the famous Myst series. Visit a vast spaceship called The Ark, divided into 6 areas, and discover the truth behind the Cubes...
Lost Contact$9.99
LOST CONTACT is an exciting realistically designed space station shooter. As the main character of unflinching Nil Heard you will experience soul grabbing horrors of facing the mutant monsters of the Universe.