Top similar games like PLANET ALPHA:
PLANET ALPHA $9.99
PLANET ALPHA, a beautiful alien world filled with mystery and danger. Pursued by relentless enemies, you must harness the power of night and day as you struggle to survive.
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Signs of Life$9.99
Signs of Life is a sci-fi survival sandbox platformer with a combination of procedurally generated and hand-crafted content. You'll explore mysterious locations, Mine blocks for resources, and meet strange (and some familiar) creatures, some of which don't even want to kill you and eat your corpse.
A Fox and His Robot$59.99
Become a fox and escape the grip of powerful Artificial Intelligences in a 2D action-platformer. A young fox and his robot search for meaning in a beautiful yet dangerous world.
Environmental Station Alpha$7.99
Explore an abandoned space station in this retro-themed explorative action platformer.
The Solus Project$19.99
The Solus Project is a single player exploration adventure with survival elements. The adventure is set on a mysterious planet and is the spiritual successor to The Ball - 2010 PC Gamer Action/Adventure Game Of The Year...
Residual$19.99
Explore a forgotten galaxy full of different planets, venture deeper into the planet to mine for rare resources, craft items to fix your ship, and discover ancient secrets and life forms. An exploration (survival) game like no other.. Adventure awaits!
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.
Subnautica$29.99
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
Grow Up$9.99
Leaping from mind-boggling heights, bouncing off Champolines, soaring inches from floating islands, BUD can do it all - that look of mild terror, that’s his daredevil face. Help the adorable little robot collect MOM’s scattered ship parts and return them to the moon.
Star Girl Proxima$4.99
Become a magical girl hero and defend the alien world of Proxima Centauri b in Star Girl Proxima! An 8-bit style action-platformer.
Zapling Bygone$15.99
Zapling Bygone is a twisted metroidvania where you murder your foes and steal their abilities by wearing their skulls and absorbing their consciousness into your hive-mind.
Subnautica: Below Zero$29.99
Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.
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?
Axiom Verge$19.99
Explore and uncover the mystery of a surreal alien world by blasting aliens and glitching your environment in this intense retro side-scrolling action/adventure.
Everreach: Project Eden$24.99
Take on the role of Nora Harwood, member of Everreach’s Security Division, on a mission to secure the colonization process of Eden and investigate mysterious incidents! Everreach: Project Eden is a fast-paced, story-driven action-RPG set on the visually stunning Planet Eden.
The Way$14.99
Journey to another planet and discover its secrets in order to bring your loved one back to life. Experience an adventure, inspired by old school classics like Another World, Heart of Darkness and Flashback.
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.
Microcosmum 2$14.99
A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.
Protolife: Other Side$8.99
Reverse Tower Defense game where you control waves of creatures against towers. Protolife game spin-off.
Alien X$0.99
Alien X - is a hardcore game where you will have to survive playing like a monster Bomber who is on an unknown planet.
Alien Planet Explorer$0.99
Alien Planet Explorer is a 2D side-scrolling platformer in which you have to find your way to the ancient sanctuary of an extinct civilization.
Low OxygenFREE
Explore an abandoned facility on the planet you've crashlanded, solving puzzles with strange plants along the way.
Zombotron$14.99
Fight to survive on a mysterious alien planet, outwit its vicious inhabitants, and do whatever it takes to find a way off that wretched rock.
Womb$5.99
During a route next to Prasinos, a colonized little planet, Helena received an order to investigate an S.O.S. sign streamed by the mothership Z9. When landing on site, she discovers that the situation was much worse than she thought.
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.
Osiris: New Dawn$34.99
Osiris: New Dawn is an unforgiving near future space survival game with a cinematic feel and elements of horror. Play as a Mission Specialist in single or multiplayer to build your planetary base, pilotable vehicles, and controllable drones as you explore a dangerous solar system far from Earth.
Insanely Twisted Shadow Planet$14.99
In this Insanely Twisted, 2-D action-adventure game, explore unique environments and battle bizarre creatures.
Pid$19.99
You are stranded on a strange and peculiar planet. It’s time to embark on your journey and find your way home! Explore a gravity defying and challenging platformer with striking visuals and a captivating story that transports you to a world beyond ours.
Space Captain McCallery - Episode 3: The Weaponmaster's Challenge$4.99
Captain McCallery voyages to a planet of prehistoric monsters in search of a reclusive Weaponmaster.
Something Ate My Alien$16.99
SAMA is a hand painted, digging and puzzle adventure where you take the role of a mining ship and the little Alien blob crew hijacked by a pirate ship. Your Aliens have to dig, fight and puzzle their way through the subterranean worlds fulfilling the ransom demand. Can you do it?
Phoning HomeFREE
A tale of survival about two shipwrecked robots - ION and ANI - on their life-defining journey in this unique genre-mix of exploration, puzzle and survival.
Gravitorium$7.99
Harness the power of gravity to maneuver through challenging precision platforming and puzzle levels in this fun and kinetic 2D platformer!
Blackwind$24.99
Blackwind is a top-down sci-fi action game that puts you in the shoes of a teenager trapped inside a prototype battle armor suit during an alien invasion. Face off against enemies, cut through their ranks, and fight back to stop a planetary invasion.
Plazma Being$1.99
Take control of Zeb in this puzzle/platformer. He is a small energy based life form from space, known as a Plazma Being. While journeying through space to his home, Zeb was surprised to find that he was being kidnapped by aliens. They took him back to their planet and unceremoniously threw him into captivity.
8 Bit Space$4.99
8 Bit Space is a 2D platformer inspired by games from the 8-bit era of gaming and with particular emphasis on the ZX Spectrum. Explore 25 alien planets in the search of a way to power a newly discovered ancient portal, where will it lead?
MUST FLEE$3.99
An unknown place, an unknown secret base and an unknown robot from another planet! What does he want? What are you looking for inside the base? Will it be destroyed or will it be able to flee? Play in third person with an alien robot who has infiltrated a secret military installation.
Q.U.B.E. 2$24.99
Q.U.B.E. 2 is the sequel to the hit first-person puzzle game Q.U.B.E. You are Amelia Cross, a stranded archaeologist who has awoken among the ruins of an ancient alien landscape. With the distant help of another survivor you must solve the puzzles of this mysterious world and find a way back home.
Out There Somewhere$9.99
You play an explorer stranded on a dangerous alien planet. Low on fuel, your only hope for escape is to find the planet’s core in this incredibly clever action-puzzle-platformer.
Mission ZiglotonFREE
Help Zigloton steal an old relic on his journey to infiltrate a mysterious planet, in this challenging platformer developped and hand-animated by one person.
Bad Chicken$9.99
Bad Chicken is a retro styled sideway scrolling shoot-em-up inspired by the retro classics. It takes place in 8 locations in the Ferus system, each one with different challenges, and dangers.
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.
Cratered$7.99
Cratered is an open-world planet exploration game with a distinct illustrative style. Explore a star system, land on planets with your ship and walk around in first-person. Use tools to dig into the surface to find hidden items. Meteors, explosions and collisions make craters on the surface.
Astral Flux$14.99
Astral Flux is an action-platformer with roguelite elements where each run is different. Traverse hostile alien planets, discover dark secrets, and face powerful foes in combat.
Converter$5.99
Escape the hellish planet 50Y-80Y in a puzzle platformer about a stranded astronaut overcoming sly planet's shenanigans in the ultimate quest to survive and discover the mysterious planet's secret.
Space Tail: Lost in the SandsFREE
"Lost in The Sands" is a free prologue to the puzzle adventure platformer - "Space Tail: Every Journey Leads Home". A story about a dog called Bea, who survived one-way flight to space and who discovers new worlds, meets alien species and tries to find her way home.
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.
Space ExpeditionFREE
Space Expedition is a 2D sci-fi platformer where you play as an astronaut who is sent to a space station to collect samples of mysterious dark matter. Space Expedition combines puzzle platforming, pixel art, and atmospheric adventures set in the style of 1980s sci-fi horror films.
GINSHA$15.99
GINSHA is a unique atmospheric pixelart Action Adventure Platformer with special Gravity Shield and Dash Mechanics. It combines a versatile Platformer core with RPG, Souls and Crafting Elements to an Anomaly among Metroidvania games.
Voyage$14.99
To find their way home, two survivors journey to unravel the mysteries of the past.
Vesper: Zero Light Edition$9.99
Thousands of years after the activation of the Vesper Protocol, a small android crosses a fallen world, hunted by merciless machines, to control the power of Light and decide the fate of his race.
Waking Mars$9.99
In 2097, life is discovered on Mars. When your mission of first contact becomes trapped by a cave-in, you must master the alien ecosystem to survive. Soon you stumble upon more than anyone expected, and with time running out, you will make a decision that determines the fate of a lost planet.
Steelborn$14.99
Steelborn - is a run and gun platformer game inspired by the classics and made by a team of Abuse, Ranger-X, Contra, Metal Slug, Blaster Master and H.E.R.O fans.