Single-player games like Xalos Conquest
Below are 8 single-player Steam games similar to Xalos Conquest, 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 Xalos Conquest page.
Ranked picks
- 1

Into The Void
Single-player alternative to Xalos Conquest — playable solo, no multiplayer required. Shares Action and Indie with Xalos Conquest.
A wormhole has opened up letting aliens terrorize your city. Pilot your spacecraft and destroy the aliens using flamethrowers, missiles, gatling guns, shockwaves, and more!
- 2

Womb
Single-player alternative to Xalos Conquest — playable solo, no multiplayer required. Shares Action and Indie with Xalos Conquest.
During a route next to Prasinos, a colonized little planet, Helena received an order to investigate an S.O.S. sign streamed by the mothership Z9. When landing on site, she discovers that the situation was much worse than she thought.
- 3

Sanguinite
Single-player alternative to Xalos Conquest — playable solo, no multiplayer required. Shares Action and Strategy with Xalos Conquest.
Sanguinite is a lunar-lander-meets-twin-stick-shooter action game with elements of resource management and exploration. Equip your remote drones and explore the dangerous surface of distant worlds. Bring resources and artifacts back to your ship. Investigate the origin of the aliens you encounter.
- 4

Space Tenacity
Single-player alternative to Xalos Conquest — playable solo, no multiplayer required. Shares Action and Indie with Xalos Conquest.
Chuck space aliens into each other! Dodge giant asteroids! Engage your tractor beam, force field and phase shifting technology to navigate the unknown in this 2D side scrolling physics based space adventure.
- 5

High On Life 2
Single-player alternative to Xalos Conquest — playable solo, no multiplayer required. Shares Action and Adventure with Xalos Conquest.
An intergalactic conspiracy threatens the fate of humanity! Team up with a wide cast of talking alien guns as you shoot, stab, and skate your way through the exotic locales to take down the bad guys and save your favorite species (humans)!
- 6

Zexion
Single-player alternative to Xalos Conquest — playable solo, no multiplayer required. Shares Action and Indie with Xalos Conquest.
Seek out new weapons and equipment to delve deeper into the dangerous world of Cypher-X72! Be warned, you aren't the only one seeking the forbidden technology known as Zexion! It will take cunning and valor to succeed in this action-packed sci-fi adventure!
- 7

PLANET ALPHA
Single-player alternative to Xalos Conquest — playable solo, no multiplayer required. Shares Action and Indie with Xalos Conquest.
PLANET ALPHA, a beautiful alien world filled with mystery and danger. Pursued by relentless enemies, you must harness the power of night and day as you struggle to survive.
- 8

Aliens: Dark Descent
Single-player alternative to Xalos Conquest — playable solo, no multiplayer required. Shares Action and Strategy with Xalos Conquest.
Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.