Games like Captain of the Astral Sea

In "Landinar: Into the Void" , play as a bounty hunter for the Stone Eyed Children in the Landinar Empire, exploring sectors, stations, and hidden areas while building your own spaceship with unique hull templates and ship parts. Engage in randomly generated bounty missions, meet diverse characters, and uncover the quadrant's secrets at your own pace, with the freedom to shape your own adventure.

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.

X4: Foundations is a sandbox space simulator that allows players to explore, trade, fight, and build in a vast universe. Take control of your own space empire, where every decision from ship hiring to trade routes has a direct impact on your income and influence. With a dynamic narrative and a variety of factions to interact with, X4: Foundations offers a rich and immersive space experience.

"Helium Rain" is a single-player space simulation game that allows you to manage and expand your own space corporation. You'll explore, trade, and battle your way through a vast, procedurally generated universe, with real-time physics and advanced AI. Your choices will shape the fate of your company and the political landscape of the galaxy.

The Spatials: Galactology is a space station management and colony simulation game. As the captain of a spaceship, you'll build, customize, and defend your space station while managing resources, researching new technologies, and trading with other civilizations. Expect complex gameplay, procedural generation, and a sense of humor in this enhanced version of the original Spatials game.

The Leviathan's Fantasy is a sprawling RPG where players recruit and manage diverse adventurers, each with unique personalities, talents, and lineages. NPCs are enhanced with AI-driven lifelike behaviors, creating deep immersion and strategic gameplay. With hundreds of hours of content, it offers rich exploration and continuous updates focused on performance and player experience.

"Bulwark: Falconeer Chronicles" is a creative sandbox building game where you design and build a magnificent ocean fortress settlement, inviting factions and unlocking new buildings. It offers light management and strategy elements, with no set goals or win-lose outcomes - the focus is on the design process and creative expression. The game features minimalistic interface and little hand-holding, allowing players to enjoy the freedom and flexibility to design their fortress as they see fit.

"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.

"Ceres" is a single-player Science Fiction Role Playing game with a good plot set in a ravaged solar system where Earth has been destroyed. The solar system has been changed due to the malfunctioning of the Gate, a device built to connect Earth to other stars. Now, human factions are at war, monstrous machines and alien creatures roam, and real dangers and myths intertwine in this cold, dangerous world. However, be aware that the game is very buggy.

Windward Horizon is an RPG-adventure set on the high seas, a sequel to the game Windward released on Steam in 2015. Trade, quest, fight, or just sail the world and fish -- it's your choice, and you can do it alone or together with your friends. You will start as a young, unaffiliated pirate with the whole world open for you to explore. Before long, you will run into various other faction leaders,…