Games like Cosmonautica

"Bounty Train" is a wild west simulation game where you build and manage your own train, hiring a crew and traveling through North America facing various challenges. The game features true-to-original locomotives, historic events, and strategic combat. Your goal is to complete quests, overcome enemies, and manage resources efficiently.

Space Haven is a space colony simulation game where you lead a group of survivors in building a home among the stars. Manage resources, research new technologies, and navigate the dangers of space while dealing with the needs and personalities of your crew. Your decisions will determine the success or failure of your space voyage. Create and manage your own unique space habitat as you see fit.

"Between the Stars" is a single-player spaceship action game with strategy elements. Command your crew, manage resources, and engage in real-time combat while exploring a vast, procedurally generated galaxy. Upgrade your ship, recruit new crew members, and make important decisions that will determine your fate in this immersive space adventure.

"Interstellaria is a single-player Science Fiction Real Time Strategy game with a good plot and fabulous gameplay. Manage your crew, customize your ship, and navigate through a dangerous galaxy filled with hostile aliens and anomalies. Enjoy its pretty visuals, great soundtrack, and the humor, but be prepared for lots of grinding and some bugs."

"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.

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.

"Seablip is a single-player, open world pirate RPG with good gameplay, stunning visuals, and a stunning soundtrack. Upgrade your ship with over 48 unique cannons and special upgrades, and experiment with different combinations for an edge in battle. Hire unique sailors, each with their own abilities, but treat them well as they are in limited supply."

Dead Age is a survival RPG set in a post-apocalyptic world overrun by zombies. Manage a group of survivors, scavenge for resources, and navigate through randomized scenarios and permadeath. Make difficult decisions that can alter the story and outcome of your group's survival.

In "Into the Stars," you are the captain of a massive generation ship, fleeing from an alien race while trying to find a new home for humanity. Manage resources, build and upgrade your ship, and make critical decisions that affect the lives of your crew and the future of the human race. Navigate procedurally generated galaxies, encountering unique events and challenges in each playthrough. Can you lead your crew to safety and secure a new home for humanity?

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.