Games like Alien Tribe 2: 4X Space RTS TD

"Horizon" is a single-player Science Fiction Turn Based Strategy game, offering about 4 hours of playtime. It features advanced turn-based tactical combat, full tactical ship control, and exploration of a vast, interactive galaxy with ten unique alien species. Colonize, trade, and defend your territory to expand humanity's reach beyond the known horizon.

"Weird Worlds: Return to Infinite Space" is a sci-fi, roguelike strategy game that takes you on randomly generated space adventures. Explore, battle, and survive in a procedurally generated galaxy filled with strange planets, alien species, and dangerous space creatures. Every playthrough is unique, offering a fresh and unpredictable experience with each journey. Make quick decisions as you manage your resources and navigate the unknown depths of outer space.

Drox Operative is a space-themed action RPG where you are the captain of a spaceship. Your mission is to explore, trade, and complete quests while navigating a dynamic galaxy filled with various alien races. As you progress, you can upgrade your ship, hire crew members, and negotiate or battle with other spaceship captains to gain fame and power. Your actions can shape the galaxy's political landscape, leading to different endings.

"The Riftbreaker" is a base-building survival game where you play as Captain Ashley S. Nowak, an elite scientist/commando in a powerful Mecha-suit. Your mission on the distant planet of Galatea 37 is to build up a base capable of creating a two-way rift back to Earth, using various machines for resource extraction, construction, and combat against hostile inhabitants. This task requires the development of a complex chain of mines, refineries, powerplants, and research facilities.

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.

"Galactic Civilizations II: Endless Universe" is a turn-based strategy game that allows players to build and lead their own space empire. Explore and colonize new planets, research technologies, and engage in interstellar warfare or diplomacy with other civilizations. This edition includes the expansions "Dark Avatar" and "Twilight of the Arnor," adding new races, abilities, and storyline.

"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.

"Xenia's Ark" is a 4X strategy game that combines planetary, star system, and galaxy maps for a sprawling experience. As one of six unique empires, players must reestablish their civilization in a new galaxy, exploring and colonizing while defending their territory with mechs and ships. Each playthrough offers a unique, procedurally generated map for endless replayability.

In Ardent Seas you build and command fleets of warships, lead by gigantic Flagships, warships with flight decks, shipyards and research laboratories. Fend off an alien invasion in the Campaign, refine your skills in single player skirmish, and test your abilities against other players in online and local multiplayer! The Game takes place in the Kepler system far away when an alien machine army at…

Embark on a one-way journey to a distant planet, where your mission is to establish and thrive in a small colony. Returning to Earth is not an option. The rich resources in the region offer a promising start, and with your colonists, you’ve already begun to explore and mine. As in any space mission, danger is everywhere, and you must thrive to survive. You can utilize various resources to establi…