Online co-op 2D Platformer games

Every online co-op 2D Platformer game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 21–30 of 238 games matching 2D Platformer · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
78% of 41

《乱世江山》集即时战略与沙盘征战于一体,立足三国乱世疆场,主打临场指挥战术交锋与宏大团战,在古战场纵横对决,尽享策略博弈与争霸豪情

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$
Released
Price
$ · Cheap
Players
👥 2–8 players
Reviews
100% of 1

Stack Mates is a co-op puzzle-platformer for 2-8 players built on teamwork and pure chaos. Shift your form between horizontal and vertical, climb on your friends, and reach the portal together. Remember, if even one person fails, everyone starts over!

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$
Released
Price
$ · Cheap
Players
👥 2–8 players
Reviews
95% of 23

Escape a dangerous dungeon with your friends as royal babies. Solve puzzles, dodge traps and laugh through chaotic co-op action for 2–8 players!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
59% of 1,911

Soul's Remnant is a 2D platformer MMORPG focused on social gameplay and exploration! Customize your character, and conquer dungeons and bosses in this mysterious world. Play with friends or make new ones - just watch out when night falls!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
61% of 98

IGS Classic Arcade Collection brings together 8 classic IGS arcade hits in one collection. Relive the golden age of arcade gaming with legendary titles like the "Knights of Valour" series, "Martial Masters", "Demon Front", and more—all with up to 4-player online multiplayer.

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$
Released
Price
$ · Cheap
Players
👥 Up to 5 players
Reviews
85% of 106

This hilarious party brawler features iconic characters, stages, and music reimagined for a modern generation—and simplifies combat, including an all new PARTY MODE, perfect for friends new to the genre

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
100% of 4

A colorful, screen-wrapping arcade space shooter for solo, local, and online multiplayer. Dodge asteroids, blast enemies, collect powerful abilities, and build a one-of-a-kind ship—alone or with questionably helpful friends.

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