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 91–100 of 138 games matching Aliens · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 16 players
Reviews
96% of 153

Cultivate a thriving farm to survive in this peaceful horror farming game! Play online with up to 16 players in the same lobby. Work together with your fellow farmers to repair your tractor and escape the farm, try not to fall victim to the eerie and mysterious creatures that lurk nearby.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 3 players
Reviews
90% of 64

Prepare your defenses during the day and survive until dawn. Defender Bros is a Top-Down Tower Defense Roguelike where you play as a Soldier defending your Base. Pick between multiple abilities as you level up to increase you power, then after each run buy perks and get stronger

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
0% of 2

Land with your friends on the surface of various planets, gather resources, create items and buildings, defeat enemies and move to other planets to discover their secrets and secrets

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
69% of 146

《全球戒备》是一款硬核的军事战棋策略游戏。外星太空舰队坠落地球,世界各国政府都想抢先得到残骸,研究外星技术。你将代表某个国家,带领4人小分队前往坠落点侦查情报。真实还原的世界地图、潜行战斗场景与各类枪支弹药;多兵种组合策略,与玩家实时对抗,尽显军事才能。指挥官,请指示!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
100% of 2

As an Artificial Sentience, transform The Hotel—a derelict customizable spaceship—into a beacon of hospitality for six alien Factions. Master the Action Hex, expand your Neural Network, and explore spectral entity hauntings in this deep sci-fi management game.