Online co-op Old School games

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

Showing 51–60 of 159 games matching Old School · updated 12 Oct 2026

Filters: Old School × Clear all
Free
Released
Price
Free
Players
👥 Up to 2 players
Reviews
70% of 10

A free-to-play 90s-style bullet-hell shooter with high-res graphics, unlocked 60+ FPS, single-player campaign, and online co-op multiplayer!

$
Released
Price
$ · Cheap
Players
👥 Up to 9 players
Reviews
100% of 3

Master the grind in Iron Legacy, a nostalgic 2D Action RPG inspired by the classics. Hunt hordes of monsters, master powerful spells, and push your limits with a deep Reset system. Whether solo or in co-op, forge your legacy through blood, loot, and infinite progression. Become a Legend!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 6 players
Reviews
90% of 6,441

KLETKA is a co-op (up to 6 players) horror game about going down in an elevator that is trying to eat you. Feed the elevator, explore deadly floors and descend deeper.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 2–8 players
Reviews
100% of 4

Insert Coin: Arcade Party is a chaotic online multiplayer party game packed with 30+ fast-paced arcade minigames. Face friends in rapid rounds of reflex, timing, and word battles. Insert coin. Let the chaos begin.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
62% of 27

Ride through the apocalypse with your friends! BUS: Bro U Survived is a co-op story-driven adventure featuring your very own bus! Fight zombies, gather resources, help other survivors, and solve puzzles. Can you uncover the truth about the beginning of the epidemic and decide the fate of the island?

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
40% of 5

Swordia is more than a game... It’s a fully playable demonstration of a flexible 2D game engine and multiplayer framework designed for creators. Inspired by classic pixel-art RPGs and online worlds and much more!

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
60% of 48

PlaneShift is a Role Playing Game immersed into a 3D virtual fantasy world! A medieval world, with many cities to explore, monsters to fight, weapons and equipment to find and craft. A skill based progression system, magic and many quests.

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
71% of 1,261

A Souls-inspired action RPG set in a sandbox open world with an MMO feel and challenging directional combat. Play solo or with up to 3 friends in co-op. Build friendships, master an unrestricted class system, and uncover the cause that darkened all eyes.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 16 players
Reviews
100% of 15

Tomo Jam turns your controller into a real musical instrument. Play an expanding library of songs or import custom MIDIs to jam solo, online, or in local couch co-op. With real-time note feedback, no failure states, and multiple difficulty modes, every song feels approachable, and rewarding.

$
Released
Price
$ · Cheap
Players
👥 Up to 3 players
Reviews
61% of 21

Truth Seekers is a class-based horror multiplayer cooperative shooter game centered around hunting urban legends and folklore monsters. Find and craft items to aid in your attack, all while strategizing with others to learn the monsters' behaviors before they learn yours...

If you loved these, you'll love this