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 151–160 of 269 games matching Shoot 'Em Up, newest first · updated 13 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Retro Short Game is a simple, 2D, multiplayer roguelike with content for both new and experienced players to enjoy: featuring three distinct weapons to learn and master, a variety of upgrades for the player to mix and match, and enemies with a myriad of attack patterns.

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PolyShot

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
86% of 23

E-Girls group was born as anti-male groups came together. This cute but wild girl group aims to take over the BoyZ clan and create chaos across Polylandia to enforce their will. We need to stop them!

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Tiny Troopers: Global Ops

✓ Deck VerifiedCrossplay
$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
50% of 38

Attention! Tiny Troopers: Global Ops is a fast-paced arcade twin-stick shooter in which you lead an elite squad of Tiny Troopers on action-packed missions to take down hordes of unscrupulous enemies from all corners of the world!

Free
Released
Price
Free
Players
👥 Not stated
Reviews
45% of 20

Killfest is a fast-paced arcade FPS that fuels your adrenaline rush! Shoot and slice your way through the pit by yourself or with friends! Think fast and coordinate your assault as you progress though waves of unique and challenging foes.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 26

Fear of The Undead: Rise of Evil features a PvE battle with wave progression, the further the player goes, the harder it gets. It offers 4 characters with distinct stories and abilities, along with a catalog of maps and weapons.

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Free
Released
Price
Free
Players
👥 Up to 99 players
Reviews
91% of 3,841

A deliciously addictive core of finger-blistering shooting action, surrounded by delectable morsels of galactic exploration, spacecraft customization, and community competitions.

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Strix STG

Deck Playable
Free
Released
Price
Free
Players
👥 Up to 2 players
Reviews
80% of 10

"Strix STG" is a "Communication-Synchronized Bullet-Hell Casual Vertical-Scrolling Shooting-Game". Let's aim to capture all 5 stages. The best feature of this game is the ability to play two-player co-op online. A simple chat using two types of fixed phrases is prepared for role sharing.

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