Online co-op Moddable games

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

Showing 61–70 of 91 games matching Moddable · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
80% of 947

Unleash voxel warfare in 9-Bit Armies: A Bit Too Far. Lead a modern military, build bases, unlock units, and attack in all-out war. Engage on land, sea and air in over two dozen missions, online skirmishes, or co-op. Easy to learn, a challenge to master.

$$$
Released
Price
$$$ · Expensive
Players
👥 Not stated
Reviews
85% of 61

Welcome to Scourge of War, a real-time 3D computer game/simulation developed by NorbSoftDev, the company headed by renowned game designer Norb Timpko, designer of Mad Minute Games' acclaimed Take Command series. Scourge of War is the epitome of historical command simulations.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 16 players
Reviews
75% of 605

Developed by the creator of the original Kerbal Space Program, KitHack Model Club is a physics-based model building sandbox that offers limitless freedom for you and your friends. Design, build, battle, fly (and crash!) your very own RC vehicles, or experiment with over 2,400 ready-made vehicles!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
74% of 3,239

A fully moddable city sandbox with jobs, NPCs, apartments, garages, gangs, and more. Broke Protocol is an open-world action game focused on roleplaying and custom content. Define your goals and identity in a persistent, reactive world where you write your own story.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
75% of 36

Dummy Guyz is a multiplayer physics sandbox with no predefined rules. Get creative by building or breaking things your way. The game is bare-bones with no theme and minimal graphics, focusing solely on physics interactions!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
87% of 82

A 100% physics-driven skateboarding sandbox. Experiment in a world with unconstrained physics, create spots, record clips, and skate with your friends!

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$$$
Released
Price
$$$ · Expensive
Players
👥 Not stated
Reviews
60% of 5,626

Experience warfare like never before! Men of War II, the anticipated sequel to the highly acclaimed RTS franchise is here with all-new units, locations, campaigns, game modes and true trademarks of the series: historical fidelity and action-filled gameplay on the Eastern and Western Fronts of WWII.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
82% of 17

Mightyy's FPS Aim Trainer takes Aim Training to the next level. All new features you didn't even know you wanted from aim training, including replay system, advanced statistics and a wealth of customization designed to rival other aim trainers on the market.

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