Online co-op Side Scroller games

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

Showing 21–30 of 101 games matching Side Scroller · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 1

Reach the heavens or burn in the abyss! In this intense physics survival, build your path out of a crumbling world. Dodge lightning and hurricanes, defeat epic bosses, and level up your hero. With wings, pets, and multiplayer, customize your legend and conquer the ultimate ascent!

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$
Released
Price
$ · Cheap
Players
👥 2–4 players
Reviews
100% of 1

Catmarine is a 2-4 player co-operative, chaotic, typing game. Type to navigate through an ocean world with your cat submarine, the Catmarine! Use the various terminals inside of the Catmarine to maneuver it and to defend against oceanic dangers. Communicate, collaborate, and type as fast as you can!

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
87% of 418

Mining Merchant is a relaxing mining and shopkeeping adventure game. Mine by day to uncover rare ores and gems, then craft jewelry to sell in your shop by night. Rebuild your uncle’s business solo or in co-op and uncover the mystery behind the nightly earthquakes.

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Free
Released
Price
Free
Players
👥 3–10 players
Reviews
66% of 3

Pulled Strings — a social deduction game with survival elements for 3–10 players. Among you hides a Maniac — your goal is not only to find them, but to survive. Keep the fireplace burning, cook okroshka, and stay out of the darkness.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
87% of 1,403

In a world where electric cars reign supreme, you are now the owner of an old gas station out in the wilderness. Establish trade, develop your business and uncover the secret of this strange place in the compact gas station simulator.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players

A chaotic online party‑PvP arena where four players cycle through a format of one player controlling the Ninja racing for treasure while the other three team up as monsters to stop them.

$
Released
Price
$ · Cheap
Players
👥 Up to 31 players
Reviews
94% of 17

You are bound to a chair. Jump and roll to overcome obstacles as you climb your way to freedom. It will be difficult. Go alone, or bring friends. You must escape.

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
100% of 1

Trees Adventure is a 2D side-view platformer where in single player you control two characters at once, and in online or local co-op each player controls their own character

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
100% of 3

《The Battle Of Evil》is an arcade action game that supports up to 4 players to fight together! Fast run-and-gun action meets hardcore platforming across wild stages. Blast aliens with flashy combos and get ready for the apocalyptic showdown!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 6 players
Reviews
77% of 114

Experience one of the most comprehensive gatherings of Marvel’s early gaming legacy. Every major iteration across Arcade and home consoles, this collection is a curated journey through the evolution of the 1990s Marvel Universe in pixels.

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