Games like Master of Orion

Stars in Shadow is a turn-based 4X strategy game and a vivid tribute to the genre classics. Compete with alien factions to explore and colonize nearby starsystems, build fleets to defend against rivals, negotiate or conquer them. Win by unifying the galaxy, through diplomacy or force.

Galactic Civilizations III is a turn-based strategy game that allows players to build and lead their own space empire. Explore new technologies, contact alien civilizations, and manage resources as you expand across the galaxy. A deep and complex experience, with a variety of ways to achieve victory and numerous customization options, ensuring high replay value.

"StarDrive 2" is a real-time strategy game that lets you build and customize your spaceships with various paint jobs and designs. The Digital Deluxe Edition also includes a developer's journal, digital artbook, and a soundtrack featuring classical music and original scores. As a space empire builder, you will explore, expand, exploit, and exterminate across different galaxies in this 4X strategy game.

"ENDLESS™ Space 2 is a strategic space opera where you expand your empire, discover ancient artifacts, and engage in interstellar warfare. The Digital Deluxe Edition includes cosmetic bonuses, soundtrack, and access to the GAMES2GETHER community for contributing ideas and feedback. This game takes place in a galaxy originally colonized by the enrocked beings called the 'ENDLESS™'."

Endless Space is a turn-based 4X strategy game set in space. Players choose one of several unique civilizations, each with their own strengths, weaknesses, and victory conditions. Explore the galaxy, build and upgrade your empire, research new technologies, and engage in tactical space combat in this expansive and engaging game. With deep customization options and a variety of ways to win, Endless Space offers nearly limitless replayability.

"Galactic Civilizations IV" is a 4X strategy game that lets you explore the vastness of space as a newly space-faring civilization. Choose from over a dozen civilizations, each with its own unique history and abilities, or create your own using the AlienGPT AI. Build and customize starships, colonize planets, and engage in diplomacy with alien species as you strive for interstellar dominance. The game features a rich, immersive universe filled with lore and discovery.

"StarDrive is a single-player Science Fiction Real Time Strategy game with high-quality graphics, offering a sandbox experience for players to build and design peticular spaceships for tactical combat and exploration. However, the game is criticized for its lack of optimization and numerous bugs, as well as the requirement of grinding. The game boasts a modular approach to ship design and a real-time gameplay with a seamless zoom feature."

In Humankind, a turn-based historical strategy game, you'll craft your own civilization by combining up to 60 cultures from different eras, such as Babylonians, Mayans, Umayyads, and British. Your choices in scientific development, moral decisions, and response to historical events will shape your unique story. The Heritage Collection includes the main game and additional culture packs.

"Galactic Civilizations II: Endless Universe" is a turn-based strategy game that allows players to build and lead their own space empire. Explore and colonize new planets, research technologies, and engage in interstellar warfare or diplomacy with other civilizations. This edition includes the expansions "Dark Avatar" and "Twilight of the Arnor," adding new races, abilities, and storyline.

Master of Orion 2 is a turn-based 4X strategy game set in space. Players must explore, expand, exploit, and exterminate to become the dominant force in the galaxy. Featuring a rich array of customizable races, advanced technology tree, and challenging AI opponents, this game offers endless replayability and strategic depth. Conflict and diplomacy with computer-controlled and human opponents add to the depth of this classic space conquest simulation.