Single-player games like UFO2: Extraterrestrials
Below are 9 single-player Steam games similar to UFO2: Extraterrestrials, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like UFO2: Extraterrestrials page.
Ranked picks
- 1

UFO: Extraterrestrials Gold
Single-player alternative to UFO2: Extraterrestrials — playable solo, no multiplayer required. Shares Strategy with UFO2: Extraterrestrials.
UFO: Extraterrestrials GOLD is a new GOLD edition which includes a number of changes and improvements giving a player a new look on the classic game: new maps, possibility to hire soldiers, globe UFO swarms and configurability.
- 2

Xenonauts
Single-player alternative to UFO2: Extraterrestrials — playable solo, no multiplayer required. Shares Strategy with UFO2: Extraterrestrials.
Xenonauts is a strategy game in which you control a multi-national military organisation defending a Cold War-era Earth from alien invasion, using small squads of persistent soldiers to eliminate the extraterrestrials and recover their technology in turn-based ground combat.
- 3

XCOM®: Chimera Squad
Single-player alternative to UFO2: Extraterrestrials — playable solo, no multiplayer required. Shares Strategy with UFO2: Extraterrestrials.
XCOM: Chimera Squad delivers an all-new story and turn-based tactical combat experience in the XCOM universe.
- 4

UFO: Afterlight
Single-player alternative to UFO2: Extraterrestrials — playable solo, no multiplayer required. Shares Strategy with UFO2: Extraterrestrials.
The story is situated on Mars. It starts where UFO: Aftermath left off and runs simultaneously with UFO: Aftershock. While the Laputans on Earth are fighting Wargots and Starghosts and finding out what caused the destruction of their home planet, a small colony on Mars is trying to survive and flourish.
- 5

Silent Storm Gold Edition
Single-player alternative to UFO2: Extraterrestrials — playable solo, no multiplayer required. Shares Strategy and RPG with UFO2: Extraterrestrials.
Silent Storm from leading Russian developer Nival is a true 3D tactical turn-based Role-Playing-Game set against the backdrop of WWII. As the conflict rages on the frontlines, you’ll be leading a small multinational squad behind enemy lines to gather information and wreak havoc on your enemies while trying to thwart a mysterious new...
- 6

Blackguards 2
Single-player alternative to UFO2: Extraterrestrials — playable solo, no multiplayer required. Shares RPG and Strategy with UFO2: Extraterrestrials.
Blackguards 2 is a turn-based strategy-RPG and will deliver challenging hexfield battles and a gritty story filled with violence and crime. - Includes bonus content: Soundtrack, digital Art Book and Strategy Guide Book!
- 7

X-COM: UFO Defense
Single-player alternative to UFO2: Extraterrestrials — playable solo, no multiplayer required. Shares Strategy with UFO2: Extraterrestrials.
You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace.
- 8

Templar Battleforce
Single-player alternative to UFO2: Extraterrestrials — playable solo, no multiplayer required. Shares Strategy and RPG with UFO2: Extraterrestrials.
An addictive mix of strategic combat and army building, with the precision of an RPG. Design your squad members' exact build of equipment and talents to create unique fireteam combinations. Step into the pilot suit of a Leviathan mech, lead the Templar Knights in turn-based tactical warfare.
- 9

UFO: Extraterrestrials Platinum
Single-player alternative to UFO2: Extraterrestrials — playable solo, no multiplayer required. Shares Strategy and RPG with UFO2: Extraterrestrials.
UFO: Extraterrestrials PLATINUM is a new edition that includes a number of enhancements that give the player a new perspective on the classic game: new alien species, heavy weapon platforms, heavy mortar, crash site bombardment, unique items, UFO swarms and configurability.