Games like Outer Space: War Gears

Astrox: Hostile Space Excavation is a real-time space mining game with combat elements. Players mine asteroids and other celestial bodies for resources, while battling hostile aliens and rival companies. The game features procedurally generated levels, a variety of spaceships and weapons, and a crafting system for upgrading and customizing your equipment.

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.

Evochron Legacy is a single-player or multiplayer sci-fi simulation game, focusing on combat, trade, and exploration. The game features advanced space flight mechanics, detailed spacecraft management, and a variety of objectives, including battles, racing, mining, and building stations. With good story, great mechanics, unique atmosphere, and long-distance travel using jump drives, Evochron Legacy is a fulfilling space adventure, but be prepared for some grinding.

"RODINA" is a single-player action game with an intriguing story, splendid gameplay, stellar graphics, and perfect music. It features a procedural solar system with four planets, 50 major asteroids, and 45,000 minor asteroids, creating a spectacular atmosphere. Discover Xeno Bases and Mines with interiors that are constructed and decorated procedurally, adding to the game's uniqueness.

Starscape is a single-player Science Fiction Shooter game that offers around 30 hours of playtime. As the last pilot of the spaceship Aegis, you must help rebuild its defenses, acquire alien technology, and create your own unique set of fighters. The game features beautifully rendered 32bit color graphics, 800x600 resolution, and a thumping music soundtrack with sound effects.

GearStorm - Armored Survival is a story-driven science fiction survival game where you must survive a deadly virus, establish your settlement, and explore the alien planet of Apollyon. Play the campaign solo or with friends, build defenses, interact with local factions, and uncover the mysteries of ancient alien ruins. As an Exomarine, it's up to you to ensure humanity's survival and prosperity on this new world.

"Infinite Space III: Sea of Stars" is a starship roguelike game that offers a sandbox adventure of interstellar exploration and combat. The game features a variety of unique alien species, starships, artifacts, and weapons, with thoughtful randomization for a unique experience each playthrough. It offers hybrid turn-based movement and pausable real-time combat, with a range of difficulty options and a full combat simulator mode. The game is suitable for players of all ages.

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.

Space Engineers is a sandbox game set in space, where players build, design, and maintain various types of space vessels and stations. It features both creative and survival modes, allowing players to either freely build and explore or survive in a hostile environment. The game also includes physics-based engineering and destruction, adding a layer of realism and challenge to space engineering.

"Earth 2150 Trilogy" is a real-time strategy game that takes place in a post-apocalyptic future. The game consists of three episodes: "Earth 2150", "Earth 2150: The Moon Project", and "Earth 2150: Lost Souls". Players must lead one of three factions - the Eurasian Dynasty, the United Civilized States, or the Lunar Corporation - in a battle for survival and resources. The game features a variety of units, structures, and environments, and includes a skirmish mode and multiplayer options.