Games like VoidExpanse

"Star Valor" is a single-player, open-world space simulator where players can explore the galaxy, engage in space combat, and manage their own spaceship. With various ships, weapons, and equipment to choose from, players can customize their gameplay experience while completing missions and uncovering the game's storyline. The game also features a dynamic economy, AI-controlled factions, and procedural generation of planets and systems for a unique experience each time.

"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.

Space Pirates and Zombies is a top-down, open-world action game set in space. Assemble your own fleet of ships and engage in strategic combat against space pirates, zombie-infested ships, and other threats. Explore the galaxy, mine asteroids, complete missions, and upgrade your ships to build a powerful armada. The game features a dynamic campaign, procedurally generated galaxies, and a rich, emergent gameplay experience.

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.

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.

Astrox Imperium is a single-player space strategy game that lets you explore, gather resources, build space stations, and manage interstellar politics. Engage in real-time combat with AI-controlled ships while navigating a vast, procedurally generated universe. Experience an immersive narrative with multiple branching storylines based on player choices.

"Starcom: Nexus" is a single-player space exploration and combat game. You'll mine resources, build spaceships, and diplomacy with alien races while defending yourself from hostile forces. With a rich story and open-ended gameplay, your choices will determine the fate of the galaxy.

Windward is a role-playing game that can be played by yourself or with others in a massively multiplayer environment. The game allows you to generate a procedural world, design your own faction, and engage in activities such as combat, trading, and questing. As you progress, you can upgrade your ship and towns will grow, offering improved rewards and opportunities. However, the game can have its share of bugs and grinding.

Avorion is a sandbox space simulation game that lets you build your own space ships and explore a procedurally generated universe. Mine resources, trade goods, and engage in space combat while navigating political alliances and factions. Experience a dynamic world that evolves based on your actions and interactions with other players.

Star Traders: Frontiers is an open-universe space RPG where you captain a customizable starship and crew through a galaxy fraught with political intrigue, alien threats, and internal conflicts. Choose your path as a pirate, merchant, bounty hunter, or military captain while exploring procedurally generated star systems, engaging in dynamic battles, and shaping the fate of the galaxy.