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 31–40 of 159 games matching Old School · updated 12 Oct 2026

Filters: Old School × Clear all
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
80% of 5

Endless alien swarms. Zero mercy. Pilot 6 unique warships, stack weapons and passives into game-breaking builds, and duel colossal bosses in this space survivors bullet hell. Between runs, rebuild your mothership, hire crew and unlock forbidden alien tech. How long can you survive?

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Up to 4 players
Reviews
76% of 1,472

Eterspire is a cozy old-school MMORPG where skill and dedication define your progression. Grind for gear, explore the vibrant world of Aetera, discover new content every two weeks, and join a growing, welcoming community in a free-to-play MMO with PC and mobile crossplay.

If you loved these, you'll love this

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

Backrooms: The Wrong Door is a cooperative psychological horror game for 1–4 players. A single wrong door leads you into a shifting nightmare where reality feels broken, familiar places become hostile, and every step forward may bring you closer to something watching from the dark.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
71% of 7

Are You A Pilot is a free-to-play neon arcade runner about speed, reflexes, and survival. Dodge obstacles, collect plasma, fire lasers, unlock skins, chase high scores, and jump into online squad runs.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
84% of 44

FLESHCANCER is a Fast-paced Boomer Shooter with surreal environments and old-school violence. Fight cannibal cultists, terrorists, grotesque aberrations and more. MAKE IT RAIN FLESH, ORGANS, AND BLOOD LIKE NEVER BEFORE.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
82% of 106

Relive the golden age of old-school video game stores! Sell hit games, deliver orders, trade and collect retros, hire staff, decorate and grow your store to be the best in town! Disclaimer: some game title parodies might crack you up!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 9 players

A generation ship with an unclear objective, housing an expendable crew tasked with waking up passengers to complete the mission... No One Left To Die is a short, sci-fi, action-puzzle-platformer that can be completed solo or with up to 8 friends in a nuanced cooperative and competitive environment.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
50% of 4

Turn-based grand strategy in the Age of Discovery. Develop a transport network, industrialise your economy, colonise the New World, and compete with five rival powers. Inspired by Imperialism 2. Early Access — built by one developer in his spare time.

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
57% of 7

A stylized samurai combat game for 1-4 players, featuring wave-based PvE survival and skill-driven PvP duels. Master precise combat, survive relentless enemy waves, and prove your skill in a world inspired by feudal Japan.

If you loved these, you'll love this