Online co-op Gun Customization games

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

Showing 41–50 of 102 games matching Gun Customization · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
100% of 3

Engage in fierce battles alongside animals roaming the universe. Face dungeons filled with bullets, cute yet powerful animals, and over 50 weapons! Team up with friends to conquer this Rogue-lite shooter.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
55% of 2,666

Welcome to Off The Grid, the next-gen free to play Battle Royale from visionary director Neill Blomkamp. Set in a near-future world where contestants are cybernetically augmented and dropped into televised bloodsport. Death is temporary, but fame is forever.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
28% of 7

An online co-op horror RPG where you run a ghost-hunting agency. Explore haunted locations, uncover the nature of entities, upgrade your skills and tools, and survive their curses.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
87% of 786

C.A.S.T is a third-person PvE extraction shooter playable solo or in co-op. Select your character and loadout to battle enemy hordes, evade anomalies, and complete objectives across handcrafted maps with dynamic procedural elements.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
75% of 16

Cast & Spell is an action-packed multiplayer game where wizards battle using elemental magic. Fight in PvP duels or team up with friends in co-op modes to defeat monsters. Master different elements and enjoy intense, strategic combat across various game modes.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
0% of 6

Warriors is a cutting-edge multiplayer shooter that blends breathtaking realism with adrenaline-pumping action. Designed for players of all skill levels, it offers the flexibility to battle against real players or challenge advanced AI bots in single-player mode. The game boasts seven game modes.

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$
Released
Price
$ · Cheap
Players
👥 Up to 5 players
Reviews
87% of 88

Configure the weaponry on your ship to blast away enemies as you navigate through swarms of bullets and space battles. Each ship has unique customization options and playstyles.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
84% of 115

Absorb, split, survive—the 2016 cell-devouring classic is back! Battle in Free-for-All, Random Teams, Guild War & Tournaments. Reach level 59, open unlimited accounts, and dominate the arena in Mitos.is: The Game OG.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
63% of 22,232

SPLITGATE: Arena Reloaded fuses the best of Splitgate 1 & 2, bringing back that classic arena shooter feel. Jump into fast-paced arena modes or drop into Arena Royale, a battle royale built on arena DNA. Play Season 2 now.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 3 players
Reviews
51% of 170

La Quimera is a story-driven FPS set in dystopian future Latin America. In a fractured world where microstates rely on mercenary forces, you are an operative caught in a web of lies and deception. Play alone or with up to two friends geared with futuristic weapons, exoskeletons and combat abilities.

If you loved these, you'll love this