Games like DarkStar One

"Starpoint Gemini 2" is a single-player space action RPG that allows players to explore, battle, and trade in a vast open world. Customize your spaceship and crew, engage in tactical combat, and navigate a complex storyline set in a dynamic universe. With a sandbox-style gameplay and various side missions, this game offers a rich and immersive experience for space exploration enthusiasts.

Rebel Galaxy is a space combat simulation game set in a procedurally generated open world. Take control of a starship and explore the universe, completing missions, trading goods, and engaging in thrilling battles. Customize your ship, recruit crew members, and upgrade your arsenal as you uncover the mysteries of the galaxy and forge your own path as a rebel leader.

Rebel Galaxy Outlaw is a space combat action game that lets you explore a vast open world, engage in dogfights, and complete missions to upgrade your ship and gear. The game features a customizable ship, a variety of weapons, and a dynamic economy. You can also engage in illegal activities such as smuggling and piracy. The game's story follows a former outlaw who is drawn back into the world of crime and must navigate dangerous alliances and rivalries.

Galaxy on Fire 2™ Full HD is a space combat and exploration game with stunning graphics and detailed gameplay. The game features an open-world universe with multiple galaxies to explore, diverse alien races to interact with, and numerous missions to complete. As a space pilot, players must manage their spaceship, resources, and reputation to survive and thrive in a hostile galaxy.

SpaceBourne is a single-player Role Playing game with an intriguing story and fabulous gameplay, set in a vast universe with over 100 Solar Systems, 400 planets, and 37 space stations. Players have the freedom to mine, salvage, hunt, explore, trade, and engage in various activities with the goal of acquiring and customizing ships and weapons. Despite some bugs, the game offers an immersive experience with its impressive visuals and amazing soundtrack.

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.

"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.

In X2: The Threat, play as Julian Gardna and experience a new generation of space simulator games. Explore 130+ sectors with improved graphics, discover new ships, and upgrade your systems with a scripting engine designed for X². Engage in combat with new weapons, mine asteroids, and expand your empire through trade and factories.

In Evochron Mercenary, become an independent mercenary and roam the Sapphire star system, seeking your fortune through various activities like trading, racing, and mining. Experience true freeform gameplay with no plot restrictions, allowing you to form clans or work alone, making choices that suit your skills and interests. Engage in diverse tasks, including combat, exploration, transportation, and more, to build your reputation and wealth.

Endless Sky is a 2D space trading and combat game inspired by the Escape Velocity series. Explore a vast galaxy filled with hundreds of star systems, planets, and alien species, while completing missions, trading goods, and upgrading your ship. With a strong focus on customization and open-ended gameplay, Endless Sky offers a rich and immersive space exploration experience. The game is free, open-source, and available on multiple platforms.