Games like Gates of Horizon

CSC is a sandbox space MMO with a robust Play-to-Own Economy. Mine, Own, Battle, and Explore in this open-world space sim built like no other. Powered by True Digital Ownership and blockchain technology, you can enjoy the freedom to buy, sell, and trade in CSC's free-market, player-owned economy.

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.

"Ascent: The Space Game" is a sandbox-style space simulation game that allows players to explore, mine, trade, and fight in a vast universe. Construct and manage space stations, build and customize space ships, and form alliances with other players. Features a procedurally generated galaxy with thousands of star systems and planets to discover.

Perpetuum is a massively multiplayer Sci-Fi RPG where players control huge robots and mechs to exploit an alien planet's resources using advanced mechanics. The game features a unique persistent world, complex infrastructure, and terraforming capabilities. Although the official server is shut down, the community can still play using private servers and the released source code.

"Elite: Dangerous" is a Science Fiction open world game set in a massive, richly detailed universe. Play solo or with others in various multiplayer modes, including co-op. Experience stunning visuals, engaging gameplay, and the freedom to carve your own path amidst galactic powerplays and intrigue.

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.

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.

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.

"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.

Hades' Star is a space-based empire-building game where players start in their own Yellow Star system, expanding by colonizing planets, setting mining patterns, and trading. As they progress, players can discover and colonize Red Stars with valuable resources, but with a limited lifespan, adding a strategic layer to gameplay. Establishing diplomatic relations with other players allows for collaborative opportunities and control over system access.