Games like Pioneer Space Sim

"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.

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.

"Unending Galaxy" is a space-sim and 4X strategy game set in a vast, dynamic universe with 10 factions and 90 ships. Explore, trade, build, and fight your way to carving out your own empire or become a powerful pirate. The game includes multiple hand-crafted and procedurally generated maps with hundreds of sectors and thousands of NPCs for sandbox gameplay. Control multiple ships and switch between them at will.

"Stardust Exile is a space-based real-time strategy game set in the Milky Way galaxy, with currently known stars and exoplanets along with procedurally generated systems. Create unique spaceship designs with an in-game generator, and explore a vast galaxy filled with 200 trillion star systems. The game's Early Access phase focuses on the MMORTS mode, with single-player and player-driven markets to be added later."

"X3: Terran Conflict" is a space-themed simulation game set in the year 2938, where players can experience the final chapter of the X-Trilogy. The game features the largest X Universe, with the addition of a new faction, the Terrans, and over 100 new spaceships and weapon systems. It boasts more jobs, non-linear missions, and a re-designed user interface for a comfortable control experience. Players can also engage in large-scale battleship boarding.

Jumpdrive is a sandbox space sim set in an alternative future heavily inspired by classic 80s sci-fi. Fight, trade and explore in a massive procedurally generated galaxy of millions of planets and stars. Amass money and power, upgrade and purchase new ships, and one day create your own small fleet with a base to call home.

"Transcendence" is a single-player Role Playing Game set in 2419, where humanity is threatened by a hyperintelligence compelling people to travel to the Galactic Core. Players must navigate through randomly generated star systems, acquiring weapons and powers to survive and uncover the secret threatening the galaxy. With stunning replayability, the game offers an open-world experience of space combat and exploration, featuring compelling music and intense battles against various alien races.

"Gaia Beyond" is a 2D action-RPG set in a hand-drawn, dynamic solar system. Engage in fighting, mining, and trading as you navigate numerous factions and interact with hundreds of NPCs. With over 100 sidequests and the consequences of your choices shaping the world, uncover the truth behind the Ganymede Flu in this immersive space exploration game.

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.

Uncover a long forgotten garden, and help it grow anew to attract vegetable inhabitants and curious animal travelers.