Games like XCOM: Enemy Unknown Plus

"UFO: Afterlight" is a turn-based strategy game where players lead a human colony on Mars, building bases and managing resources while defending against alien attacks. The game features technology research, character development, and strategic combat against a variety of alien races. Players must balance colony needs with the need to prepare for an anticipated alien invasion.

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 of Cthulhu: The Wasted Land" is a tactical RPG set in the early 20th century, inspired by the works of H.P. Lovecraft. Players lead a team of investigators through a narrative filled with horror and mystery, battling unspeakable creatures and uncovering dark secrets. The game features strategic combat and character development, with a focus on exploration and puzzle-solving.

"NS2: Combat is a sci-fi, team-based, multiplayer shooter with a focus on competitive gameplay. Players can choose from several alien and marine races, each with unique abilities and strengths. The game features class-based mechanics, tactical gameplay, and various game modes, including objective-based and kill-based matches."

In "The Bureau: XCOM Declassified," play as Special Agent Carter and lead your squad to investigate a top-secret facility that has gone silent. Uncover the mystery behind the radio silence, eliminate threats, and bring the facility back online to turn the tides of the secret war. This tactical third-person shooter game requires strategic planning and quick decision-making.

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.

In XCOM 2, players lead the resistance against an alien occupation on Earth, commanding a force of soldiers in turn-based combat missions. The game features strategy layers including base building, research, and global tactics to manage, with procedurally generated levels ensuring unique challenges. As the commander of XCOM, players must make difficult decisions and plan carefully to make every soldier count in the fight for humanity's survival.

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.

"UFO: Aftermath" is a 3D tactical strategy game with a sci-fi setting, where players fight against an alien invasion. The game features real-time tactical combat with RPG elements, allowing soldiers to improve as they gain experience. Players must manage bases, interceptions, and squads in the global strategy, while engaging in ground battles with the enemy in run-time generated missions. The game's challenge is to balance the use of resources, improve technology, and command troops effectively in order to save the Earth from the alien threat.

In "The Pegasus Expedition," lead a fleet of human survivors in a grand strategy game, exploring a new galaxy, establishing colonies, and waging interstellar war to ensure humanity's survival. Your decisions will significantly impact the story's outcome in this challenging and immersive sci-fi experience.