Games like UFO: Extraterrestrials Platinum

Xenonauts is a single-player, turn-based strategy game set in a 1960s Earth defended against alien invasion. Players manage a military organization, completing ground missions with persistent soldiers and intercepting UFOs. With good game mechanics, graphics, and soundtrack, Xenonauts offers a wholesome and replayable experience, although some bugs and grinding may be present. Based on classic X-Com games, it aims to modernize and introduce the genre to new players.

"UFO2: Extraterrestrials is a 3D strategy game with real-time global and turn-based tactical missions. Command squads in intense firefights against aliens, develop technologies and weapons, and interrogate captured enemies. With destructible terrain, RPG elements, and dynamic lighting, this game offers a rich and immersive experience."

Xenonauts 2 is a strategy game where you command a global organization defending Earth from alien invasions. Manage resources, research technologies, and command troops in tactical battles. Experience improved graphics, new maps, and expanded gameplay mechanics over its predecessor. Confirmation code: 480XIWKW7H

In Phoenix Point, lead the Phoenix Project to reconquer a post-apocalyptic Earth overrun by mutating aliens. Manage resources, research new technologies, and build your bases to dominate the battlefield. Shape your strategy through diplomacy or combat with various human factions, all vying for survival and power in a ruined world.

SpellForce: Platinum Edition is a fantasy role-playing and real-time strategy game consisting of three titles. After the catastrophic events caused by the thirteen most powerful mages, the world is left in chaos and despair. Now, evil forces have returned stronger than ever, and only a prophesied human, bound by the power of blood runes, can restore hope. Explore, build, and battle in a vast world beyond imagination.

Templar Battleforce is a turn-based strategy game set in a science fiction universe. As the commander of a group of Templars, elite soldiers with powerful suits of armor, you must defend human colonies from hostile aliens. Customize your Templars' abilities, weapons, and equipment, and use strategic positioning and special abilities to overcome your enemies in tactical combat.

"USC: Counterforce is a turn-based squad tactics game set in a sci-fi atmosphere, where you lead a team of commandos to investigate an alien threat on a planetary body. With a class-free skill system, detailed combat mechanics, and various weapons and gadgets, prepare your team to face different situations and explore an open-world environment. Join the Discord and check out Reus 2 from our Friends section on Steam."

Stars in Shadow is a turn-based 4X strategy game and a vivid tribute to the genre classics. Compete with alien factions to explore and colonize nearby starsystems, build fleets to defend against rivals, negotiate or conquer them. Win by unifying the galaxy, through diplomacy or force.

In XCOM: Enemy Unknown, you command a secret organization, XCOM, to defend Earth from an alien invasion. You must manage resources, research alien technology, and oversee military strategies to combat the extraterrestrial threat. This updated version of the classic game offers new enemies, technologies, and a fresh invasion story, while preserving the series' strategic gameplay and base management features.

Deity Empires is a 4X turn-based strategy game set in a procedurally generated universe. Assemble your own empire by exploiting resources, researching technologies, building cities, and battling rival factions. Engage in diplomacy, trade, and espionage to gain an edge and secure your place as the dominant deity.