Games like Project Luna

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.

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.

Everspace 2 is a single-player space exploration and combat game with RPG elements. Traverse a vast open universe, gather resources, upgrade your ship, and engage in high-stakes dogfights against hostile alien forces. Experience a compelling story with diverse characters, factions, and quests. The game features stunning visuals, detailed space environments, and immersive sound effects.

"Avalon Lords: Dawn Rises is a medieval real-time strategy game set in the fantasy world of Avalon. In early access, players build and expand their kingdom, manage resources, and engage in battles with AI or other players. The game offers various building and troop types, with a focus on strategy and conquest."

"CDF Starfighter VR is a space combat simulator set 350 years in the future, where humans face galactic consumption by darkness. As a CDF starfighter pilot, engage in exciting space battles using gamepad or VR controller, inspired by classics like Freespace, Wing Commander, and Star Wars. Experience immersive gameplay with detailed visuals and varied missions."

Hypergate is a sci-fi action game featuring single-player and multi-player modes. The game offers a 2-hour campaign with a simple tutorial mission, and an Instant Action mode for custom battles with up to 3 fighters, 24 upgrades, and various space-based locations. Expect large-scale space combat similar to Freespace 2 or Star Wars: X-Wing, with enemy factions, diverse ship types, and dynamic reinforcement gates.

"Weird Worlds: Return to Infinite Space" is a sci-fi, roguelike strategy game that takes you on randomly generated space adventures. Explore, battle, and survive in a procedurally generated galaxy filled with strange planets, alien species, and dangerous space creatures. Every playthrough is unique, offering a fresh and unpredictable experience with each journey. Make quick decisions as you manage your resources and navigate the unknown depths of outer space.

"Starpoint Gemini Warlords" is a space-themed, real-time strategy game with RPG elements. Players can explore, mine, and combat in a vast open world, while also managing their own space station and fleet. Building and customizing ships, as well as forming alliances, are key features in this expansive game.

It's a frenetic space action game. You must survive the enemies and the dangerous environment. Prepare your arsenal before battle and try to eliminate as many enemies as you can before they do. Trade, explore and survive this challenge!

SpaceBourne 2 is an upcoming open-world space combat simulation game that allows players to explore, trade, and fight across procedurally generated galaxies. Players can build and customize their spaceships, recruit crew members, and engage in various missions and activities. The game promises improved graphics, more complex mechanics, and a richer narrative compared to its predecessor.