Top similar games like Starheim:

At the sunset of human life on planet Earth, you are a military pilot controlling a space ship, and you find yourself at the very epicenter of the battle in the solar system. You are forced to retreat into the unknown, distant Arcanum system through hyper-jumping.

One persistent universe. No instances, no lobbies. Full loot PvP. Mine, build, trade, fight, pirate, explore.

Entropia Universe is a unique massively multiplayer online game (MMO) where virtual assets hold real-world value and players can participate in a thriving virtual sandbox economy.

An open world looter shooter. Shoot, loot, and defend yourself against others in a post catastrophic mountain environment!

Welcome to the first trailer of Nova Era: Atom, Welcome to Nova Era: Atom, a sci-fi MMORPG game blending Chinese mythology. where you can DIY your own custom spaceship and explore the endless mysteries of the cosmos.

PHANTOM GALAXIES™ is an epic sci-fi adventure with thrilling mecha combat. Choose between four distinct Starfighter classes and diverse weapons and gear. Once enemies, the intergalactic empires of humanity band together to battle lawless pirate factions amid war torn space!

You're a Junker pilot. Prove your space combat skills in our free-to-play, post-apocalyptic, multiplayer arenas. Vanquish your enemies in King of the Hill style online PvP battles. Earn zBits to unlock new and exclusive ships. Coming soon: Craft and customise your ship to your unique play style.

Pilot your ship through a vast universe in Stellar Odyssey, a space exploration game where you’ll engage in thrilling combat, mine valuable resources, and survive intense encounters with other players in both PvE and PvP modes.

Pixelorbit is a Space ARPG about loot, progression and building your own combat ship. Fight through hostile sectors, explore an MMO-inspired galaxy, collect 500+ items and combine Extras, Mods and Passives into powerful endgame builds.

Reaper Actual is an Open-World Persistent Shooter where hundreds of players engage in FPS combat against each other and 5 NPC Factions on the massive war-torn island of Marova. Level your Reapers, maintain a home Base, and complete missions to earn gear and reshape the world.

Massive ground and space battles with hundreds of units. Seamless landings on huge spherical planets. Interplanetary flights with explorable ship interiors. Boarding vessels anywhere in combat, space or surface. All in a single-server PvE co-op space-sim shooter.

PIONER drops players into a vast, grim world, where survival hinges on exploration, crafting, and smart resource management. As an MMO FPS, it offers both PvE missions and intense PvP zones, with unique crafting mechanics, hundreds of weapons and a deep story to explore.

Build anything. Fight anyone. In space. Highly tactical competitive sci-fi combat/building multiplayer free-to-play game. Bit of MOBA, bit of sandbox. Try it out to see for yourself!

Command 25 ship variants with 20+ upgrades in a living, multiplayer galaxy. Explore, trade, mine, and fight epic real-time battles. Forge alliances or betray rivals—your choices shape the universe. Dive into stunning space combat now!

The Netcode Conflict is a community-event-driven online multiplayer game. Our goal is to develop and improve the game together with the community. We host regular events where players can win in-game rewards. TNC is still actively in development, and your ideas and feedback help shape its future!

Explore asteroid fields, trade rare resources, and upgrade your ship in Cosmic Miners. Navigate faction alliances, complete missions, and rise through the ranks in a dynamic space adventure where your choices shape your path to cosmic power.

Void Armada is a sci-fi sandbox MMORPG where exploration, trade, and warfare shape a living galaxy. Explore unknown star systems, gather rare resources, build powerful starships, trade in an open marketplace, and fight in massive fleet battles for wealth and influence.

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!

Star Wrath is a multiplayer space extraction-action where you design your own ship and fight other players for resources in intense PvP and PvE battles.

The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.

Elyon is an open-world action-combat MMORPG set in the continent of Harth, where the two sovereign realms, Vulpin and Ontari, are at war for the control of a portal that leads to paradise.

Decimated is a third-person online survival game set in a post-apocalyptic sci-fi world where players scavenge, fight, and team up in a hostile open world. Featuring PvP, PvE, missions, and vehicle combat, it’s a dynamic sandbox of danger, strategy, and exploration!

Command a fleet of ships to hunt aliens, trade resources and loot treasure! Form corporations with your friends while fighting a never-ending intergalactic war in this open-world online space adventure!

Take control of the helpless beings on the island and guide them. Survive, grow and continue the course of life. Don't let the harsh reality of mother nature take you down.

Null anchor is a space-sim-lite where you fly, fight, scavenge, steal, trade, refuel, upgrade, repair, evade cops, hunt bounties and run, because you can't hide.

Epoch Ultra is an exciting new survival game that challenges you and your friends to persevere through a dystopian cyberpunk future. Build, craft, and fight to shape the places around you and become the ultimate architect to the fate of your world.

A third person, sci-fi, looter shooter. Reclaim earth from robotic enemies. Level up, gain skill abilities, and fight for the right of our very existence.

P.R.O.T.O.C.O.O.L. It is a multiplayer TPS game with fantastic and colorful graphics, developed by a small team. Fight across multiple game modes and ever-growing maps. Take to the Field, Fight and Survive!

Pilot your own Spaceship in this Sci-fi Space Shooter game! Shoot Asteroids to collect Antimatter, Metals, and Pickups! Use the Metals and Antimatter you collect to upgrade your Spaceship! Level up to unlock stronger Metal tiers to collect, craft or buy Parts from the Store! Survive endless Space!

EV2 is a Open World, looter-shooter set in the frontier where cutting-edge technology meets the remnants of an ancient civilization. Defend humanity against a relentless global infestation of the Hive.

Distance Travellers is a single player extraction space simulator, set in the distant future, fight, mine and loot your way around the galaxy. Upgrade your equipment and ship and do your best to survive the barren wastes of the new world.

A hardcore third-person extraction shooter on a persistent post-collapse Frontier. Carry in what you dare, fight raiders and AI for loot, and extract — or your kit drops on your corpse. Your progression stays safe; build an outpost, host your own server. No pay-to-win.

Exit Ways is a PvEvP survival extraction shooter. Grow your community in a zombie apocalypse. Rescue survivors, craft gear and build a base.

Return to the world of high-octane mech combat in Hawken Reborn. Construct your ultimate war machine and shoot your way through hordes of enemies to uncover the mysteries of Ilall in this brand-new Free-to-Play PVE mech game.