Top similar games like PROT:

Explore a planet with your friend or alone, upgrade yourself and try to return to Earth in your adventure that begins with your spacecraft sent by "Space-T" to explore other planets!

Welcome to Graystone! Once believed to be the human race's next home, you are left alone after an asteroid hits the planet. Survive in an open-world environment, unfit for humans. Few resources remain, and must be rationed to survive. Will you band together, or fight to the survive?

You wake up in a spaceship, you realize that strange things are going on there, you try to get back to civilization. However, this is harder than you think, the encounters will drive you crazy and you will doubt yourself.

INTERASTRA is a fully immersive first-person sci-fi survival adventure game set in outer space. Discover unknown planets differing in weather conditions, resources, and various mysteries. Craft necessary equipment, launch, and control space rockets, explore the universe, and survive among the stars.

Physics-based sandbox game where you build wacky machines to solve environmental puzzles. Create alloys from a mix of metals to reinforce your builds, recruit koalas to operate your weapons, solve puzzles to get rewarded with parts and weapons, and save the island from the erupting volcano!

Embark on an open world journey across the stars while encountering foes, friends and forgotten stories. Build your ship. Recruit and train your crew. Most of all, explore and confront the unknown to reveal the true, vast nature of choice and consequence.

Welcome to this innovative sci-fi open-world! As the last survivor of humanity, build a home on a wild alien planet. Reignite civilization—from primal survival to advanced energy systems. Use the Planetary Control Module to reshape the world, uncover human secrets, and journey back to Earth.

After a black hole incident, you're stranded in space with fading oxygen and unanswered questions. Explore haunting environments, uncover hidden truths, and piece together the fate of your crew. Can you survive long enough to confront the dark secret that awaits?

This is a game set in space and focused on trade of resources between spaceships and space stations.

Far Horizon is an action-adventure RPG set in the far reaches of space where floating islands, beautiful vistas, and alien creatures await. Embark on an epic adventure of exploration, ingenuity, and survival as you loot, shoot, and craft to forge your destiny among the stars.

Soar through an alien world as a flying android. Dominate the environment with thunderous shouts —or surrender to the strange rhythms of wildlife. This planet does not obey humans. And maybe, neither should you.

Futurion is a sci-fi survival sandbox where you collect robotic pets and mounts. Harness your skills to build and upgrade a factory on a giant flying creature, and navigate the mysteries of a dynamic universe.

On Island is a game where you must survive on a mysterious archipelago and recover your memories. Enter a world where every day brings new challenges. Complete quests, experience an amazing adventure, and find your way to escape!

Clean away human leftovers: collect, sort, recycle — reclaim nature & survive

Land on a new planet as a space refugee. Craft items, build bases, and battle aliens to survive. Pioneer your future in this online survival RPG.

Join Special Agent Detective Trevor Vanguard as he uncovers a world ending threat in the downtrodden mega city of Dynawatch. Explore, shoot and survive in this Action Adventure Sci-fi thriller and uncover the truth!

Explore the pixel cosmos, jumping from star system to star system. Land on fully procedural planets, and make them your home.

Build ships from scrap and fly them in a gritty, realistic space sim. Venture solo or team up. Hunt for parts, haul vital resources, and keep your space agency afloat.

Embark on an interstellar trip and deploy to a mythic ocean planet in a low-flying jett in this cinematic science fiction action adventure with immersive sim elements from Superbrothers, known for Sword & Sworcery EP.

ATMOSFAR is a sky-high odyssey set on an alien planet of floating islands explored by flying crafts and a mobile airbase as you uncover the fate of your collapsed colony.

Trapped In The Omniverse is a first-person survival game blending interdimensional exploration with adventure. Lost in Quantum Dynamics' Antechambers, you must restore the Cosmoportal to return home. Face creatures, overcome obstacles, and uncover the multiverse secrets.

Blood Engine: Immerse yourself in an action-packed third-person open-world experience. Race against time to thwart the relentless Red Swarm. Will you emerge victorious, or succumb to the biomechanical onslaught? The fate of humanity rests in your hands.

A child infiltrates a spaceship to carry out a secret rescue mission. His objective is compromised when they must make a forced landing on a strange planet. Explore this mysterious place, overcome obstacles, and find the way back home!

Explore an alien planet with adverse conditions and dangerous life. Solve relevant puzzles and repair your ship. Along the way uncover an ancient story in this cerebral sci-fi exploration and survival VR game. Takes full advantage of nearly every aspect of VR.

Mothership is my debut game, inspired by my own trekking experiences and astronomy insights. You will take off in search of the last humans of the galaxy. EXPLORE FREELY in zero gravity and on exotic exoplanets to retrieve the fuel cores of huge space wrecks… to keep searching deeper into space.

Triton Survival is an open world survival game about exploration, construction, engineering, and fighting on planets. Embark on this interstellar adventure and conquer the galaxy. Are you ready?

Embark on a journey of survival, crafting, and automation in Eden Crafters, a solo and co-op open-world game that challenges you to turn a hostile planet into a habitable haven for humanity. Temper the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!

Welcome to Beyond the Fringe, a single-player action/adventure set in a sci-fi universe with over seven different handcrafted maps to explore! Fight, fly, loot, mine, and craft your way through each world, searching for your mother and discovering the truth about the danger looming over the galaxy.

From the creators of the award-winning Hyper Light Drifter comes the high-speed and gravity-bending world of Solar Ash.