Games like Unknown Signal: Invasion
If Unknown Signal: Invasion is your kind of game, the closest matches are Deep Space, Magic Ring and STAR TALE: Odyssey One — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Unknown Signal: Invasion: 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.
Players who liked Unknown Signal: Invasion also play
Steam players who put hours into Unknown Signal: Invasion also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Deep Space
WHY THIS
Top pick for Unknown Signal: Invasion fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Unknown Signal: Invasion.
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 journey.
Magic Ring
WHY THIS
Second-strongest match for Unknown Signal: Invasion fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Unknown Signal: Invasion.
Magic Ring is an exciting 3D game that takes you on a dangerous journey through the desert to take part in a legendary tournament!
STAR TALE: Odyssey One
WHY THIS
Third-strongest match for Unknown Signal: Invasion fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Unknown Signal: Invasion.
This is not a rescue mission. No one is coming. This is survival. You awaken alone aboard an infested colony ship carrying the last survivors of humanity. Restore critical systems, manage oxygen, and confront hostile organisms while the AI guiding you seems to be hiding something.
Unknown Signal
WHY THIS
Ranked #4 for Unknown Signal: Invasion fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Unknown Signal: Invasion.
Unknown Signal is a 3D adventure game. You have received a mysterious signal and you have to find out what or who sent it.
Mission: Aliens
WHY THIS
Ranked #5 for Unknown Signal: Invasion fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Unknown Signal: Invasion.
Sergeant, last night we received a signal that an unknown aircraft of extraterrestrial origin had crashed in the taiga. The locals assured us that at the crash site they observed five creatures very similar to humans, only with gray skin and large almond-shaped eyes.
Galactic Sanctuaries
WHY THIS
Ranked #6 for Unknown Signal: Invasion fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Unknown Signal: Invasion.
Protect the lighthouse, destroy nests and complete tasks.
Vacuum
WHY THIS
Ranked #7 for Unknown Signal: Invasion fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Unknown Signal: Invasion.
A 3D first-person shooter in which, by chance, an astronaut gets inside the Earth's Moon satellite teeming with various alien creatures. Survive under the intense music in the style of METAL!
Humanity Lost
WHY THIS
Ranked #8 for Unknown Signal: Invasion fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Unknown Signal: Invasion.
Will you save humanity? You are on a mission to find a new planet for humans to inhabit. In this story driven FPS space opera you will explore open world planets, find weapons, upgrade your character, and befriend alien species.
Cheaper alternatives
Games in the same vein priced at least 40% below Unknown Signal: Invasion at current Steam store prices.
Garry's Mod
WHY THIS
Priced ~88% under Unknown Signal: Invasion on Steam right now. Shares Indie and Casual with Unknown Signal: Invasion.
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
Stardew Valley
WHY THIS
Priced ~63% under Unknown Signal: Invasion on Steam right now. Shares Indie with Unknown Signal: Invasion.
You've inherited your grandfather's old farm plot in Stardew Valley. Armed with hand-me-down tools and a few coins, you set out to begin your new life. Can you learn to live off the land and turn these overgrown fields into a thriving home?
Phasmophobia
WHY THIS
Priced ~50% under Unknown Signal: Invasion on Steam right now. Shares Action and Indie with Unknown Signal: Invasion.
Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can.
Lethal Company
WHY THIS
Priced ~75% under Unknown Signal: Invasion on Steam right now. Shares Action and Indie with Unknown Signal: Invasion.
A co-op horror about scavenging at abandoned moons to sell scrap to the Company.
Left 4 Dead 2
WHY THIS
Priced ~75% under Unknown Signal: Invasion on Steam right now. Shares Action with Unknown Signal: Invasion.
Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.
Schedule I
WHY THIS
Priced ~50% under Unknown Signal: Invasion on Steam right now. Shares Action and Indie with Unknown Signal: Invasion.
From small-time dope pusher to kingpin - manufacture and distribute a range of drugs throughout the grungy city of Hyland Point. Expand your empire with properties, businesses, employees and more.
Hollow Knight
WHY THIS
Priced ~63% under Unknown Signal: Invasion on Steam right now. Shares Action and Indie with Unknown Signal: Invasion.
Forge your own path in Hollow Knight! An epic action adventure through a vast ruined kingdom of insects and heroes. Explore twisting caverns, battle tainted creatures and befriend bizarre bugs, all in a classic, hand-drawn 2D style.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Doki Doki Literature Club!
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Unknown Signal: Invasion.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
Life is Strange - Episode 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with Unknown Signal: Invasion.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Unknown Signal: Invasion.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
ENA: Dream BBQ
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Unknown Signal: Invasion.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
Indigo Park: Chapter 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Unknown Signal: Invasion.
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.
STRAFTAT
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Unknown Signal: Invasion.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
The Looker
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Unknown Signal: Invasion.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
Counter-Strike:Global Offensive
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Unknown Signal: Invasion.
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.).
Narrow it down
Head-to-head comparisons
More from Daniel Li
Other recommendable Steam games by Daniel Li, ranked by review count so the studio's hits land first.
Forest Keeper
WHY THIS
Another title from Daniel Li, the studio behind Unknown Signal: Invasion. Shares Indie and Adventure with Unknown Signal: Invasion.
Forest Keeper is a 3D logic game with many exciting levels!
Magic Runes
WHY THIS
Another title from Daniel Li, the studio behind Unknown Signal: Invasion. Shares Action and Indie with Unknown Signal: Invasion.
Magic Runes - An exciting 3D game with adventure elements. You have to go on a dangerous adventure across a mysterious island full of ancient dinosaurs. Your goal is to cleanse the lands of darkness and return peace and tranquility to these lands!
Unknown Signal
WHY THIS
Another title from Daniel Li, the studio behind Unknown Signal: Invasion. Shares Action and Indie with Unknown Signal: Invasion.
Unknown Signal is a 3D adventure game. You have received a mysterious signal and you have to find out what or who sent it.
Forest Keeper 2
WHY THIS
Another title from Daniel Li, the studio behind Unknown Signal: Invasion. Shares Indie and Adventure with Unknown Signal: Invasion.
Forest Keeper 2 is a continuation of the first part of the game! Plunge back into a little adventure with the forest guardian!
Magic Ring
WHY THIS
Another title from Daniel Li, the studio behind Unknown Signal: Invasion. Shares Action and Adventure with Unknown Signal: Invasion.
Magic Ring is an exciting 3D game that takes you on a dangerous journey through the desert to take part in a legendary tournament!
Ancient Scroll
WHY THIS
Another title from Daniel Li, the studio behind Unknown Signal: Invasion. Shares Indie and Adventure with Unknown Signal: Invasion.
Ancient Scroll - the game is a mixture of an adventure game and classic quests. You have to go to an abandoned ranch in search of an ancient scroll. Where an exciting adventure awaits you, hiding many mysteries!
Frequently asked about Unknown Signal: Invasion
- How much does Unknown Signal: Invasion cost?
- Unknown Signal: Invasion is listed on Steam at 39.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to Unknown Signal: Invasion?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Unknown Signal: Invasion are Deep Space, Magic Ring, STAR TALE: Odyssey One.
- Who developed Unknown Signal: Invasion?
- Unknown Signal: Invasion was developed by Daniel Li.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Unknown Signal: Invasion.
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