Top similar games like The Outer Rim:

In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.

Warfield ,Singleplayer and Multiplayer War Game.

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

No prisoners! No mercy! Smash and destroy your way to victory!

Perihelion lets you run your own rocket engine shop. Take over an abandoned desert airfield, design realistic, unique engines, then test them!

The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!

Frontiers Reach : Battlespace is a low stress management/idle game set in the Frontiers Reach Universe, here you'll take command of a carrier and participate directly in the fight for control of planets in the frontier worlds.

Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.

In the first year of the ephemeris, the warp engine was invented. Due to the initial engine being too large, it was installed on the space city Regulus. During engine testing, the jump signal attracted an alien fleet, and the Ship Regulus embarked on a flight path.

After a mysterious accident you are left are stranded, floating through space on a piece of a space station. Craft supplies and Hubs to expand what is now your home. But be warned space is a dangerous places where one mistake can mean certain death. Can you defy the odds and survive in space?

A new-style space war game that blends strategy simulation and shooting action. Command your fleet on the map and pilot your own fighter in battle. Combine 25 types of warships and 49 types of fighters freely, and build your ultimate fleet using production, capture, and formations.

Explore and unravel the mysteries of Rheksetor!

B.L.U.E. (Build, Launch, Upgrade, Evolve) is an multiplayer PVP space sandbox engineering simulator. As an BlueHeaven Aerospace Engineer, you design spaceships that follows real world physics, load it with maximum fire power, and test it against your best friends. Note: mind the heat!

Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.

Space Travellers is a unique open-world sandbox space simulator set in the year 2343. Travel the galaxy, trade, explore unexplored worlds, fight, build bases and factories, forge alliances and experience new adventures!

Tank Hangar Simulator, In Your Own Hangar You Can Both Repair Tanks and Build Your Own Tank and Join the War!

Voidless is a sci-fi space survival sandbox set in the near future within a realistic scale solar system. In first or third person, players can explore planets and asteroids, collect resources, and craft items. As well as building bases and ships, all with physics based flight and combat.

Experience war from engineer perspective Take part in stabilization mission in the middle east Provide engineering support for your detachment Use proper tools and modify weapons and vehicles for your unit. Become Combat Engineer!

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.

As a crew member of an American destroyer, fight in the Pacific theater of WW2, operate weapons, navigate treacherous waters, conduct information warfare, and perform daily duties to play your part in history.

Factory management and sandbox base building in zero-g environment. Survive, expand and then dominate space industrial market. Build large scale resource processing plant completely from nothing.

Elusive Verge is a third-person space exploration game with dash of base-building, combat and survival.

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

Command the CSV Leonidas in authentic capital ship warfare. Lead from the bridge or take direct control as war erupts in the Orion Spur. Your ship. Your crew. Your orders.

The game of survival and construction on the surface of the moon. Learn to build a base on the surface of the moon, maintain survival, explore and discover the secrets inside the moon, and solve abnormal problems.

Embark on a cosmic odyssey as the director of your own space station in a galaxy full of wonders. Skillful management is vital as you construct and connect station components, oversee resource handling, and guide your space haven to reach new heights amidst the stars.

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?

Build, Fly, and Survive. StarDune combines tactile, modular construction with seamless space travel. Reshape vibrant voxel planets, automate your outposts, and explore a procedurally generated solar system alone or with friends in a world that’s yours to mold.

Sci-Fi Builder is a sandbox construction sim where you design a space station, build a colony, and control aliens, robots & NPCs. No grids, no limits — just creative freedom in space.

Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.

Subdivision Infinity is an immersive and pulse pounding sci-fi space shooter featuring stunning graphics and tight spaceship game play. Hunt down and destroy enemy spacecraft, crush capital ships, mine asteroids for rare minerals, and find blueprints to craft amazing new vessels!

Medusa Frontier is a budget sci-fi survival game being developed with OpenGL & C++. Gameplay is currently limited to resource gathering and base building on a 1k terrain map.

A retro-future sandbox RPG set in a frontier era galaxy with procedurally-generated elements. Create, explore, trade, and battle to stake your claim among the stars of a wild galaxy!

Untethered is a space survival-sandbox set in our own cosmic backyard. Explore zero-gravity environments, build and operate realistic space stations, and fight to stay alive in the unforgiving realm of deep space.

A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!