Games like Materia Ex Vita

"Sirius" is a massively multiplayer Science Fiction Simulation game set in the Sirius Star System in the year 2436. After Terrans demand control over the system, war erupts between them and the Sirius Colonial Council. Players can participate in the war, live along both sides, trade, fight, explore and create their own empire among the stars. The game features 2-player co-op and single-player modes, allowing players to control the economy with their trading craft, battle pirates, and discover unimaginable riches in the galaxy quadrant.

Flatspace is a top-down space trading game with the emphasis on freedom and exploration. You become captain of a spaceship in a living simulation of a distant galaxy. As a space pilot, you decide how to earn a living; command your crew, buy new and better ships and equipment, and explore.

INTRO Alienautics is a game of mastery and depth. To a novice player, it's a cover based shooter where you die a lot. To a master player, the game is an action packed rhythmic experience where dodging bullet is your second nature. Alienautics is a cinematic third person sci fi action shooter that makes you look cool and feel awesome to play. If you are a fan of fast paced & challenging action …

"Elite: Dangerous" is a Science Fiction open world game set in a massive, richly detailed universe. Play solo or with others in various multiplayer modes, including co-op. Experience stunning visuals, engaging gameplay, and the freedom to carve your own path amidst galactic powerplays and intrigue.

"Push For Emor" is an open-world Sci-Fi FPS RPG, playable on both monitor and VR, that offers combat across 11 planets in 5 solar systems. The game features mission-driven gameplay, space warp gates for travel, the ability to explore derelict space stations, and the option to build and defend mining facilities. You can also operate various vehicles and engage in space combat to board enemy ships. The game supports Oculus DK2, CV1, and Steam VR.

"Drifter" is a single-player Sci-Fi Simulation game with exceptional gameplay, set in a procedurally-generated galaxy of 100,000 light years. As a spaceship captain, engage in trading goods, pirate hunting, mining, or piracy, with an original soundtrack by Danny Baranowsky. It takes around 6 hours to complete game's main storyline.

"Helium Rain" is a single-player space simulation game that allows you to manage and expand your own space corporation. You'll explore, trade, and battle your way through a vast, procedurally generated universe, with real-time physics and advanced AI. Your choices will shape the fate of your company and the political landscape of the galaxy.

"Interstellaria is a single-player Science Fiction Real Time Strategy game with a good plot and fabulous gameplay. Manage your crew, customize your ship, and navigate through a dangerous galaxy filled with hostile aliens and anomalies. Enjoy its pretty visuals, great soundtrack, and the humor, but be prepared for lots of grinding and some bugs."

VoidExpanse is a science fiction action-RPG set in deep space, allowing players to explore procedurally-generated galaxies, engage in real-time combat, and interact with dynamic factions. The game features complex mechanics for mining, trading, and character customization, as well as a meaningful storyline and options for both single and multiplayer gameplay. Upgrade your ship, complete missions, and advance through diverse skill-trees in this open-world space adventure.

Underspace is an open-world sandbox RPG with a Lovecraftian twist, described as the spiritual successor to Freelancer. It offers a rich plot, expansive gameplay, and stunning visuals with a multi- and single-player experience. However, it is plagued by optimization issues and bugs, despite its vast setting of 114 handcrafted star systems, 204 stations, and 533 quests to explore.