Games like UFO2: Extraterrestrials

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.

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.

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.

The country of Grand Chien is thrown into chaos when the elected president goes missing and the paramilitary force known as "the Legion" seizes control. Hire mercenaries, meet interesting characters, and fight in tactically deep turn-based combat in this true successor to a beloved franchise.

In X-COM: UFO Defense, you command a global military organization fighting an alien invasion. After shooting down UFOs, lead soldiers in investigating crash sites, battling aliens, and recovering valuable technology. Researching and manufacturing alien tech brings you closer to understanding and defeating the extraterrestrial threat.

"Call to Arms" is a tactical shooter game that allows players to experience a cooperative campaign, play user-generated content, and engage in custom battles. The game features a wide range of customization options for the army, and the Deluxe Edition includes bonus content for expanded gameplay. The developers, with a multi-national team, encourage creating games instead of war.

X-COM: Apocalypse is a strategy game set in a dystopian future where humanity is protected by the X-COM organization from alien threats. Players must manage resources, research new technologies, and command a squad of soldiers in turn-based combat against extraterrestrial enemies. The game takes place in a single city, Mega Primus, and offers a non-linear story with multiple endings.

"Halfway" is a single-player Science Fiction Turn Based Strategy game with an intriguing story and good gameplay. As the leader of a team of survivors, you must fight and outsmart the enemy aboard a colonized spaceship while uncovering the mysteries of the violent invasion. The game features tactical turn-based battles, unique characters, and an immersive storyline with outstanding visuals and fantastic music, though some grinding is required.

Dead State is a single-player horror turn-based strategy RPG set in a post-apocalyptic world. As the leader of a survivor group, you must manage resources, negotiate with other factions, and defend against the undead, with an emphasis on survival. The game features base building, tactical combat, and reactive storylines, with a mix of humor and a wholesome story in a full-fledged RPG experience. However, it is known to have many bugs and can be very grinding.