Top similar games like Astral Outcast:

Survival on Kepler is a race against time. Make the most of the remaining 168 hours or get turned into an unworldly being by the Sphere. Complete quests to help NPCs, explore the diverse landscape, survive wildlife and other players. Uncover Kepler’s mysteries and your mission’s true goal.

RE: OZMA is a 2D Hybrid Sandbox game, pursues sandboxes that are more accessible with faster action while keeping the collection and exploration elements of the sandbox. Players become an ‘Alien Creature’ and survive, explore and pioneer in vast space.

Every adventurer must face the Trial — a boundless pixel-art sandbox where you can explore, build, mine, farm, and challenge epic bosses. Play solo or with up to 3 friends in thrilling top-down adventures.

Build and navigate your ship as it barrels through space. Machines, pipes, and wiring; all necessities to keep your ship running. Survive and explore.

XenoHaven 1.0 is out now! Recruit familiars to farm, mine, craft, and fight by your side. Build a home with friends, battle bosses, run a restaurant, and make the planet your own with Steam Workshop creations.

The apocalypse has come, brought by pollution, wars and disease! Your mission is to save your land... or what’s left of it. Alone or with your friends gather, recycle, craft, build, plant, explore, fight & help survivors.

Chop trees, cook meals, build your home and play music to control the wild! Explore a procedurally generated world and survive your way through art.

Farm, fish, fight and explore, and turn all of it into better gear. Sell your harvest, your catch and what monsters drop, then buy the armor the next road demands. Real-time combat: read the wind-up, step off the red tiles, strike back. Four classes, puzzle dungeons and five towns to reach.

Unknown Horizon is a retro styled top-down space exploration adventure where you will meet new alien races, learn their secrets and build their trust to get their help to find a way home.

The world is dying. The answer lies beneath. Dig deep into the husk of an ancient god-worm, build your defenses, slay the parasites that feed on its remains, and uncover the truth before it's too late.

Craft, build, explore, survive! Your destiny awaits in this sandbox adventure where farming, dungeon-delving, and battling fearsome bosses will test your skills and unleash your creativity.

Reclaim an abandoned alien homestead with a fleet of agricultural robots, then venture into dangerous forest and desert expeditions for resources and biological discoveries. Plan, automate, fight, process goods, and help a frontier colony grow.

Webcraft is a claw machine mixed with open world crafting game in space. Catch resources floating by, craft and expand your base from a single square!

The highly popular and quirky "idle game that you want to actively keep playing". Explore, craft, gather & manage resources, find secrets and build your base out of nothing! Buy land to explore and expand!

Arctic Unrest is a hand-crafted world of survival filled with exploring, hunting, salvaging, base building and crafting. Vehicles (Air, Sea and Land) are key to moving around and when on foot an engaging parkour and traversal system will help you keep alive during your frozen journey.

Escape From The Island is a 2D, pixel-art survival game in which, as a castaway on a dangerous, uninhabited island, you collect supplies, build a shelter and fight for survival while discovering the secrets of this island.

Build a home on an island run by an overzealous Bureau. Farm, fish, craft and fight in real-time combat, beat bosses across a six-act story, then sail the seas and launch a rocket to the Moon. A single-player, top-down pixel sandbox RPG.

Layer Hunt is a singleplayer, survival sandbox game where the goal is to survive and hunt down all the bosses. To reach your goal you will have to mine, craft, build, farm, fight and explore for new abilities and resources.

Ember: Symbiotic Wilderness is a 2D pixel-art co-op survival game set in a living wilderness shaped by temperature, weather, seasons, and ecology. Start with a single fire, divide the work with your team, and build a camp that can endure.

In "The Capture Worlds" you will travel to other worlds to fight monsters which you've never seen before. Capture them, train them and fight back! Become the new ruler of the monsters! Start your new journey now!

Everpixel Valley is what happens when you combine farming sim, ARPG, dinosaurs, and wiener dogs. Turn your dusty plot of land into a fantastical, bustling, farm. But be careful - you'll have to defend your hard work from hordes of pixelated foes.

Repair your spaceship, explore mysterious planets, battle strange creatures, and survive in this sci-fi sandbox RPG where every journey becomes a new adventure.

Congrats, farmer—you’ve been rocketed into space to fix the food crisis. Grow crops on strange planetoids, ship food back home, and keep your people fed. Expand your planetoid, solve puzzles, and explore alien worlds to turn lifeless rock into a thriving offworld farm.

Gather, craft, build and explore alone or with up to 3 friends. Unlock new land, collect resources, build and decorate your home, farm, fish, automate production, upgrade your character, and defend against optional enemy raids.

Your ship crash landed on a randomly generated map, survive long enough to escape by crafting, mining, fishing, and farming!

You find yourself completely alone on a different yet very familiar looking planet. Explore the planet, craft tools, fight enemies, and build bases! Do science to learn new technologies that will allow interplanetary travel and better tools at your disposal!

Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!

Red Planet: Survive is a first person survival game for Microsoft Windows. Surviving in the harsh conditions of the Red Planet will be hard, but if you are strong enough, you will succeed. Find the best way to survive, but be careful, since each wrong step will ensure your demise. The environment is your main enemy.

A relaxed roguelike space odyssey in a procedurally generated universe! Travel through a lonely and mysterious cosmos. Customize your ship, explore and survive!

This is a simulation of life in the Russian village, where the player will have to deal with the vegetable garden, build a house and various buildings, collect mushrooms and berries, plant your garden, breed farming, hunting and fishing, make kvass, hook up with a village girl and much, much more.

Survive, adapt, and research in the New World, with its rules, dwellers, and their laws. Head the colonization of these locations and ensure the independence and security of your population.

It Lurks Below is an action-oriented, survival RPG in a randomly generated world. Fight through the massive underground dungeon, customize your character with random items and find out what evil lurks below.

In this multiplayer survival and base-building game, you fight for survival on a vast island. Explore, mine, craft and gather resources to battle against other players for the strongest tribe.