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 71–80 of 102 games matching Gun Customization · updated 12 Oct 2026

Filters: Gun Customization × Clear all
$
Released
Price
$ · Cheap
Players
👥 1–5 players
Reviews
0% of 3

Strike Team Delta is a gripping first-person shooter set in a post-apocalyptic world. Battle hordes of undead, team up with friends, and reclaim our world. Survival is in your hands.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
74% of 627

E.E.R.I.E 2 is a tactical shooting game. In the modern Gensokyo, play the role of fairy Luna, and uses a variety of modern light weapons and tactical equipment to join in a war that decides the fate of Gensokyo.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
95% of 249

Knights Within is a hack&slash horde shooter with roguelite elements. Design custom loadouts, navigate procedurally generated levels and utilize random power-ups. Either solo or with friends, can you survive endless waves of enemies to ensure humanity's survival?

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
55% of 113

Survival Nation: Lost Horizon is an open-world, top-down zombie survival game. Keep yourself and other survivors alive in a world gone to the zombies, upgrade your gear and skills, and keep civilization going in a world where humans are the top pick on the menu.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
85% of 14

Steel Symphony is a 2D Action-Strategy platformer where players craft combat sentinels by selecting components and balancing stats like integrity, mobility, and weapon capabilities. Chassis, weapons, and modules shape each sentinel's role with varied abilities for strategic customization.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
76% of 8,411

IRR is a tactical PvE Co-Op extract shooter set in a de-stabilized and immersive modern-day Vietnam. As a PMC for a mysterious organization, deal with 3 factions that stand to gain from the chaos. Engage in ruthless combat, plan your deployment, and explore the world as your journey unfolds.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
75% of 136

A zombie virus, brought to BOXHEAD World by a meteorite that fell unexpectedly, continues to turn people into the zombies. To survive in this purgatorial world, you must unleash every bullet into the hordes of the zombies and use any explosive objects to drench every inch of the land in blood.

If you loved these, you'll love this

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

Armored War is a realistic multiplayer tactical first-person shooter set in the realities of modern conflict. Take part in ground battles using a full arsenal of weapons and equipment

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
100% of 6

Embark on an immersive VR FPS adventure! Customize your guns and outsmart AI foes in exhilarating PVE combat. Get ready for a unique strategic shooting experience, coming soon to Steam. Your ultimate VR battleground awaits – don't miss out!

If you loved these, you'll love this