Single-player games like Xenonauts 2
Below are 16 single-player Steam games similar to Xenonauts 2, 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 Xenonauts 2 page.
Ranked picks
- 1
Xenonauts
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with Xenonauts 2.
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.
- 2
Terra Invicta
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Simulation and Strategy with Xenonauts 2.
An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.
- 3
XCOM® 2
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Strategy with Xenonauts 2.
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.
- 4
Shadow Empire
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares RPG and Simulation with Xenonauts 2.
Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet.
- 5
Old World
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with Xenonauts 2.
Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind?
- 6
Heroes of Might and Magic: Olden Era
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Strategy and RPG with Xenonauts 2.
Heroes of Might and Magic: Olden Era is the official prequel hailing back to the origins of the genre-defining, critically acclaimed series of turn-based strategy games. Raise grand armies and wield devastating spells to overcome your foes in both solo and multiplayer.
- 7
Unity of Command II
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Simulation and Strategy with Xenonauts 2.
Unity of Command II is the sequel to one of the most critically acclaimed strategy games of all time; a game critics called 'the perfect gateway' into computer war games.
- 8
ENDLESS Legend™ 2
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares RPG and Simulation with Xenonauts 2.
Lead your people to victory on an ever-evolving world in this strategy game featuring asymmetric factions led by powerful heroes. Build your empire, wield political influence, and raise grand armies to wage war in a race to uncover dark secrets buried within the planet.
- 9
X-COM: UFO Defense
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Strategy with Xenonauts 2.
You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace.
- 10
XCOM: Enemy Unknown
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Strategy with Xenonauts 2.
The XCOM: Enemy Unknown - Slingshot Pack is Now Available!
- 11
X-COM: Terror From the Deep
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Strategy with Xenonauts 2.
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.
- 12
Iron Harvest
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Strategy with Xenonauts 2.
A classic real-time strategy game with an epic single player campaign, multiplayer & coop, set in the alternate reality of 1920+
- 13
Terminator: Dark Fate - Defiance
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Strategy with Xenonauts 2.
Terminator: Dark Fate – Defiance is not just a game; it's an adrenaline-fueled journey where your strategic prowess decides the fate of mankind against the machines. After the machines took over, the greatest threats may not come from the machines but rather from other human survivors.
- 14
UFO ENEMY KNOWN
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Simulation with Xenonauts 2.
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.
- 15
X-COM: Apocalypse
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares Strategy with Xenonauts 2.
There's something evil in the city tonight... Earth has been ravaged by human excess, petty conflict and alien invasion. The world's population has been herded into huge cities, the first of which was Mega Primus. 2084: A Utopia shattered, social collapse and civil unrest reigns in Mega Primus. Fiendish aliens terrorize the city.
- 16
Phoenix Point
Single-player alternative to Xenonauts 2 — playable solo, no multiplayer required. Shares RPG and Strategy with Xenonauts 2.
The acclaimed strategy game from the creator of X-COM. Fight tactical battles on procedural maps against a foe that adapts to your tactics. Manage diplomacy and economy on a global scale. Research, explore, overcome. Now includes Steam Workshop support for mods!