Single-player games like X-COM: Apocalypse
Below are 18 single-player Steam games similar to X-COM: Apocalypse, 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 X-COM: Apocalypse page.
Ranked picks
- 1
X-COM: UFO Defense
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required. Shares Strategy with X-COM: Apocalypse.
You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace.
- 2
X-COM: Terror From the Deep
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required. Shares Strategy with X-COM: Apocalypse.
The war continues... X-COM: UFO Defense brought you to a galactic battlefield. X-COM: Terror from the Deep brings the alien terror into a totally new dimension.Seeking to take advantage of a weakened Earth, X-COM's deep space foes unexpectedly change strategy and launch a powerful second front against planet Earth.
- 3
Xenonauts
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required. Shares Strategy with X-COM: Apocalypse.
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.
- 4
XCOM: Enemy Unknown
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required. Shares Strategy with X-COM: Apocalypse.
The XCOM: Enemy Unknown - Slingshot Pack is Now Available!
- 5
Fallout Tactics: Brotherhood of Steel
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required. Shares Strategy with X-COM: Apocalypse.
Tactical Squad-Based Combat comes to the Fallout® Universe! You are the wretched refuse. You may be born from dirt, but we will forge you into steel. You will learn to bend; if not you, will you break. In these dark times, the Brotherhood - your Brotherhood - is all that stands between the rekindled flame of civilization and the howling,...
- 6
Outcasts of Orion
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required. Shares Strategy with X-COM: Apocalypse.
Outcasts of Orion is a Rogue-like Auto Battler. Choose a hero, recruit allies, and take on the toughest baddies in the Orion Sector! Tactically set up your units and then watch the battle. Unlock items, heroes, and artifacts to discover new synergies.
- 7
UFO: Aftermath
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required. Shares Strategy with X-COM: Apocalypse.
UFO: Aftermath is a 3D isometric, tactical strategy game with a rich and compelling sci fi story.
- 8
UFO: Afterlight
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required. Shares Strategy with X-COM: Apocalypse.
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.
- 9
UFO
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required.
About, A Boy's Summer Dream.
- 10
UFO ENEMY KNOWN
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required.
Help aliens invade Earth in this procedurally-generated, infinite, 3D shooter game. Fully destructible cityscapes and a wide variety of destruction-wreaking weapons. Visit (rampage and destroy) cities of future Earth and Mars block by block. Chaotic battle scenes as rubble and vehicles pile up.
- 11
XCOM® 2
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required. Shares Strategy with X-COM: Apocalypse.
XCOM 2 is the sequel to XCOM: Enemy Unknown, the 2012 award-winning strategy game of the year. Earth has changed and is now under alien rule. Facing impossible odds you must rebuild XCOM, and ignite a global resistance to reclaim our world and save humanity.
- 12
The Front
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required.
The Front is a survival open-world crafting sandbox game. You are a resistance fighter sent back in time to stop the rise of a tyrannical empire. Collect resources, craft tech, build shelters, and fight monsters to accomplish your mission.
- 13
Sid Meier's Colonization (Classic)
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required.
The New World lies before you with all its peril, promise and infinite possibility. Your colonists anxiously follow you to shore. The treasures of an entire continent await you.
- 14
X-COM: Enforcer
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required. Shares Strategy with X-COM: Apocalypse.
X-COM: Earth's top-secret eXtraterrestrial COMbat unit The Place: America - early 21st century The Mission: Eradicate the extraterrestrials Alien forces have invaded Earth and are terrorizing the population.
- 15
X-COM: Interceptor
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required. Shares Strategy with X-COM: Apocalypse.
They're back...only this time the heinous aliens are out to destroy Earth and rule the new frontier. As X-COM commander, it's your sole duty to protect humanity and the prized mining operations in outer space.
- 16
Sid Meier's Covert Action (Classic)
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required.
Sid Meier's Covert Action - A Techno-Thriller From the Case Files of Max Remington.
- 17
Sid Meier's Pirates! Gold Plus (Classic)
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required.
Ahoy mateys! From the Mind of Sid Meier, The Golden Age of Buccaneering has returned with Pirates! Gold!
- 18
BloodNet
Single-player alternative to X-COM: Apocalypse — playable solo, no multiplayer required.
I met her in her penthouse, expecting payment for the freelance job-and perhaps a little more. But I got more than I bargained for. I'm now part of an exclusive fraternity that moves catlike in the night through a world of high technology and senseless violence.