Online co-op Aliens games

Every online co-op Aliens game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 61–70 of 138 games matching Aliens · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
83% of 90

Build bases, lead an army of robots, and squash brains in this radical hybrid between RTS and third-person shooter. Join a duo of quirky heroes on a mission to save Earth, smash an evil alien corporation, and complete their comic book collection.

Free
Released
Price
Free
Players
👥 Up to 3 players
Reviews
55% of 27

Play as 1 of 3 factions in the fight for control of Domusalus, but beware the Kaecillian menace who threaten both locals and warring factions. Deploy with your gear, search for upgraded loot, and escape in time to keep it for your next assault for planetary dominance.

$
Released
Price
$ · Cheap
Players
👥 Up to 7 players
Reviews
49% of 140

Put on your thermos bags and head outside with your friends. You will have to deliver food to the aliens and make sure that the last company on Earth does not close down.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
93% of 15

An online co-op horror for 1-4 players. Travel across the Old World on the Engine Eternal and explore randomly generated dungeons to locate fuel and upgrades for the last train to Paradise.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated

Grandpa's garden is invaded by strange creatures, and you go to investigate. You can help each other with your friends, collect props, upgrade skills, and repel powerful enemies. You can also turn into a cat, escape the war, and sleep lazily at home every day.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
59% of 84

Warspace 2 is a 1-4 player CO-OP space shooter with RPG elements, open-world and procedurally-generated galaxy. You can trade, craft, and fight your way through a universe, either solo or with friends.

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
0% of 1

From an Indie developer in Sweden we bring you Stranded With Darkness. A base building tower-defense like game, with up to 4 player online CO-OP. Stranded on a desert like planet, gather resources during the day, defend the SOS transmitter during the night. Survive as many days as possible.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Up to 2 players
Reviews
75% of 16

Asteroid Forward is a spin-off video game from the Asteroid series for PC and mobile devices. Battle your way through space in this vertical side-scrolling action arcade game!

If you loved these, you'll love this