Online co-op Shoot 'Em Up games

Every online co-op Shoot 'Em Up game on Steam we know of. Add tags, a price band or a review floor to narrow it down.

Showing 261–269 of 269 games matching Shoot 'Em Up, newest first · updated 13 Oct 2026

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Chicken Invaders 3

Deck PlayableCrossplay
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
93% of 380

Chickens. For centuries we have oppressed them, grilling, roasting, stewing, and stuffing them in buns. The time has come for us to pay. Intergalactic chickens are invading Earth, seeking revenge for the oppression of their earthly brethren!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
69% of 66

A fast‑paced 2.5D shooter built entirely solo on a custom engine, featuring multiple game modes, ship loadouts, online and local co‑op, and over a decade of continuous updates. Battle alien forces through handcrafted missions, survival challenges, and intense boss encounters.

METAL SLUG X

✓ Deck Verified
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
87% of 3,198

“METAL SLUG X”, one of the most highly praised titles in the series among Metal Slug fans for its refined balance and game volume, heads out to the Steam gaming platform!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
71% of 1,477

A deep, tactical shoot'em up. With every takedown, you’ll earn cash and xp to upgrade your ship and unlock new abilities. Online and local co-op. Unique versus mode. Realistic physics and water simulation.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
90% of 6,992

“METAL SLUG 3”, the masterpiece in SNK’s emblematic 2D run & gun action shooting game series, still continues to fascinate millions of fans worldwide to this day for its intricate dot-pixel graphics, and simple and intuitive game controls, heads out to the Steam gaming platform!

If you loved these, you'll love this