Top similar games like IFO:
IFO $3.99
A spaceship simulator for aliens, an ever-changing rule discovery puzzle for humans.
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Microcosmum 2$14.99
A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.

In Other Waters$14.99
Play as an Artificial Intelligence guiding a stranded xenobiologist through a beautiful and mysterious alien ocean. A non-violent sci-fi story, enter a world of wonder, fear and vulnerability, unraveling the history and ecology of an impossible planet. What will you discover together?

Under Domain - Alien Invasion Simulator$5.99
Under Domain - Alien Invasion Simulator will surprise you with a Sci-fi turn-based game completely different from others. How about turning yourself into an Alien and planning an invasion to Planet Earth? You can secretly influence human history and build war machines to exterminate human beings.

Missing PiecesFREE
Missing Pieces is a story-driven adventure in a vibrant alien world, full of hidden secrets, a plethora of languages and a sparkling cast of characters: lovable rogues, heartbroken families, and questionable allies. Find friendship and love, learn about yourself and discover who you really are!

Star Explorers$4.99
Planets, aliens, resources, upgrades, caves, mapping & documenting star systems ... seek a new home for the human race. An all-inclusive (admittedly janky) procedural space-sim made by solo developer Schmidt Workshops.

Starport Delta$24.99
Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...

Return to Planet X$9.99
Return to Planet X is a close combat FPS in which you will have to smash tons of alien bugs.

Battlecruiser Generations$6.99
In celebration of the 25 yr anniversary of the first release, this compendium contains all 4 games in the Battlecruiser 3000AD series which was first released in 1996.

Diaries of a Spaceport Janitor$9.99
Diaries of a Spaceport Janitor is an anti-adventure game about picking up trash in an alien bazaar. Play as the Janitor, an Alaensee girlbeast with a municipally-subsidized trash incineration job and dreams of leaving the planet of Xabran's Rock far behind her.

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.

Galactic Ruler$19.99
Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!

Machinika: Museum$7.99
Welcome to the Museum! Machinika Museum is a mystery game where you discover beautiful and mysterious machines of extra-terrestrial origins in an atmospheric galaxy-spanning 3D puzzle game. Will you be able to understand their stories and discover what happened to their previous owner?

CHAOTIC ERA$16.99
AT THE LIMITS OF EARTH, AT THE EXTREMITY OF HEAVEN. A REAL-TIME STRATEGY NIGHTMARE.

Rodina$14.99
A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!

Interstellar Rift$19.99
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!

Somewhere on Zibylon$9.99
The game is filled to the brim with the atmosphere of cold space and zero gravity, features unusual game mechanics with a lot of puzzles, exploration, stealth, resource extraction, crafting, fights with alien forces and seizing space stations!

Venineth$19.99
Venineth is a single-player game focusing on unraveling the mysteries of ancient alien technology, somewhere in the universe via exploration, platforming, and puzzle-solving, in a dangerous, distant worlds.

Keng's Little Universe$5.99
The game is divided into three parts, which simulate three stages of civilization respectively. The first is the survival of civilization in a multi-stars system. The second is the expansion and war of civilization in a galaxy. The third part is the exploration of god civilization in the universe.

星旅:前奏 Wandering Planet: Prelude$3.99
Star Trek: Prelude is a space-based game that builds defense towers on earth to defend against alien invaders called Black Ember.

Astro Mining$2.99
Build a small mining colony in deep space and defend it from alien invaders as you extract precious minerals from asteroids in Astro Mining.

Farm Invaders$4.99
Top down stealth based puzzle game about an alien stealing cows from a farm. Use futuristic gadgets and stay in the shadows to avoid detection. Get all golds in every level to appease the queen and bring honor to your colony!

Escape 51FREE
In Escape 51 you play as a small alien that has been mistreated by humans as he works to escape the research facility that has kept him and other aliens like him captive for so long.

Project Astra Dominium$9.99
Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.

Cosmic Outpost$9.99
Cosmic Outpost is a turn-based strategy game where you build an outpost on a new planet. As pioneers, you will construct an outpost while defending against enemies. Gather enough materials to build a spaceship to explore new worlds and expand humanity's frontiers!

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.

Planetary Settlers$4.99
Planetary Settlers is a family friendly game with real benefits! Learn about the solar system as you play. Experience realistic gravity as you control Blue 42 on each planet, completing mini games, uncovering secrets, solving puzzles, and completing quizzes to enhance your abilities!

Absolute Territory$9.99
Engage in futuristic space dogfights against large warships and enemy starfighters. Manage Newtonian flight physics and power settings, outwit and eliminate hostiles, and survive through hazardous mine and asteroid fields. Gripping action across the campaign and leaderboard game modes.

ARCA-102$2.99
Face logic challenges in this Escape Room game, where every second counts! Join Mirra, your mercenary partner, to uncover the mysteries of an abandoned colonizer ship on an unknown planet.

Afterglitch$14.99
Afterglitch is an experimental third-person exploration sci-fi video game. The player is an astronaut whose multidimensional journey to find an extraterrestrial civilization is more important than the destination!

Tales from the Crossing: The Captain's Chair$1.99
When a misfit crew on the last test flight of an experimental engine wakes up on the wrong side of the other side of the galaxy, what’s a Captain to do? You decide!

Intraquartz$7.99
INTRAQUARTZ is a multidimensional experimental maze puzzler where you control a microscopic mining rover inside extraterrestrial crystals.

Linelith$2.99
Solve puzzles embedded in rocks and crystals as you explore a colorful, serene alien asteroid. Discover a few clever twists as you progress in this short and sweet puzzle experience.

Horizon$29.99
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.

Kerbal Space Program$39.99
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.

Space Haven$22.99
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.

The Astronomy Game$4.99
Explore the depths of outer space and experience the wonders of astronomy! Go on an adventure that will take you through the cosmos in Story Mode. Your lab partner's been kidnapped, and you must travel to an alien fortress to rescue him. Endlessly test your astronomy skills in Trivia Battle Mode.

Intergalactic Storage Clearance$3.99
In this light-hearted adventure, you must outwit competitors in bidding wars to secure storage containers scattered across alien worlds. The objective is to uncover valuable objects hidden within them and turn a profit by selling them on the intergalactic market.

The Fermi Paradox$18.99
The Fermi Paradox is a choice-driven sci-fi narrative strategy game in which your decisions in one corner of the galaxy can upend entire civilizations in another. Guide species through millennia and help them explore the vastness of space, make contact and, perhaps, create harmony.

Intergalactic Pawn Shop: PrologueFREE
Intergalactic Pawn Shop is a single-player, story rich, pawn shop simulation game. In your hands lies a powerful trading network, making you a magnet for those seeking your services. Will you use this influence wisely? Remember, the outcomes of your decisions will rest solely on your shoulders.

First Contact$1.99
Strange radio bursts have been detected! Embark on an immersive adventure as you analyze radio signals coming from space, decipher hidden messages, symbols, sounds, and translate alien languages. Follow an engaging story with countless dialogues and game-changing choices.

Breathedge$24.99
Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage.

ViSP - Virtual Space Port$14.99
ViSP – Virtual Space Port is a creative building game for VR. Construct your own space port out of blocks and defend it against relentless enemies to fortify your space colony!

Space Commander: War and TradeFREE
Fight, explore the stars, trade, and lead your fleet across the galaxySpace Commander: War and Trade is an ultimate single player space-sim featuring spectacular graphics, intuitive combat and deep mechanics.

Zero-Point$10.99
Zero-Point is a 3D space roguelike featuring tactical ship-to-ship combat, crew command and an immersive view of your ship's interior. As Captain of a Star Federation cruiser, lead your crew and ship to victory over the rebellious Galactic Liberation Front!

The Pegasus Expedition$19.99
The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival. Facing an overwhelming threat at home, humanity sends expeditions to the Pegasus Galaxy in a desperate attempt to find a refuge for the population of Earth.

Search of Galaxy$9.99
After the supernova explosion, the Thermian race was destroyed. All knowledge, technologies and data about the past were lost. You must to restore civilization and explore the territories of your home system in search of lost technologies and artifacts.

PlanetDrop - A Tiny Space AdventureFREE
PlanetDrop - A Tiny Space Adventure is a computer game where you command a spaceship in an orbit of a planet. Your primary task is to capture "drop zones" with your shuttles and commandos. You rely on stealth, agility and speed, rather than on firepower.

Photon Engineer$9.99
Master laser manipulation and environmental control in this sci-fi puzzle game. Unleash your creativity and uncover the secrets of mysterious platforms that have suddenly appeared near Jupiter.

Million Star Ship$9.99
This is a single player defense game for interstellar strategy. We have established 36 birth points. Players can freely switch birth points to control the size of the enemy. Set the moon as a base. Our fleet can conquer the universe and find legendary warships. Our journey is the sea of stars.

Angry Universe VR$14.99
Welcome to a VR game where you rule the universe! Break stuff, enjoy gravity physics, and survive natural disasters. And the best part? Fight off aliens using several guns or even asteroids. Try everything you can to keep your home solar system safe from the dangers out there!

Beyond the Chiron Gate$9.99
Explore an endless text-based universe filled with exotic planets, strange life forms, and ancient civilisations. Manage a crew of space explorers, upgrade their ship, and brave dangerous worlds to gather the data you need to reach the mysterious Gatebuilders.