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 11–20 of 101 games matching Side Scroller · updated 12 Oct 2026

Filters: Side Scroller × Clear all
$$
Released
Price
$$ · 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.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 2–4 players

Remember Block Catching? Your nostalgic childhood game of tag, now a handdrawn multiplayer horror for 2-4 players. Team up with friends, run, hide, and survive in this horror twist on a classic Singaporean game.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
72% of 33

A survivors-like game with side-scrolling action combat. Slash, dodge, and mow down endless monsters in a gothic horror castle. Upgrade with every choice, snowball out of control, and survive until the very end.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–4 players

Control Rocoumie, a tiny mischievous red fairy, and use the power of flowers to find your way home. A casual co-op action puzzle game for 1–4 players, with simple, easy controls. Find the key, reach the exit together, and enjoy it with family, friends, or players of any skill level.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 13

Mine ore on the Moon, send it back to Earth to earn money, and buy Skill Cores to upgrade your abilities. Use a variety of helpful equipment on your expedition — and yes, there’s a dog! Uncover the secrets hidden beneath the lunar surface.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
0% of 2

An extremely difficult game about two chickens balancing an egg. Will you finish the game, or chicken out? Suffer and triumph alone or with a friend in online Co-Op!

If you loved these, you'll love this

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

1–4 player cat roguelite. Scratch, pounce, and blast through 10 snack-filled floors with fish-based weapons, cat toys, and other buffing items as you fight for treats and glory.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
33% of 9

A cyberpunk-themed idle tycoon where you run a milk tea empire right on your desktop. Switch seamlessly to a desktop pet, automate your shop, and enjoy bilingual support.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 3

Battle through hordes of foes in this roguelike blend of survivors, bullet hell, and tower defense. Conquering TD Run will require more than simple survivor-esque DPS checks. Determine optimal character and weapon specific builds and employ real-time tactics to stay ahead of the increasing enemies.

If you loved these, you'll love this