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 41–50 of 159 games matching Old School · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 16 players
Reviews
93% of 214

Build your base, prepare your troops, and face your most epic battle yet in this old-school real-time strategy game. Choose between two factions, test your skills in three epic campaigns and engage in online battles with up to 16 players simultaneously.

$$
Released
Price
$$ · Standard
Players
👥 1–5 players
Reviews
95% of 42

A chaotic co-op adventure for 1–5 players with a hint of 90s PC games. As new worker recruits, your mission is to explore, scavenge, craft, and eliminate. Loot everything. Be greedy. Contribute only what you dare to part with to grow your Hive. Warning: Goblins might perish in the process.

If you loved these, you'll love this

$
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
👥 Not stated
Reviews
0% of 1

100 players drop into a cave, race through a maze, and fight over one powerful Stick. Grab it to become the strongest and the most hunted. A chaotic top-down battle royale with pixel-art mayhem, stone-throwing combat, and matches that always end in ridiculous chaos.

If you loved these, you'll love this

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

Newtonia is a 2D top-down space shooter. Think Asteroids with powerful weapons and challenging asteroids. Progress level after level against increasing challenge with advanced weapons dropping regularly. Try and get a high score, or play co-operatively with your friends.

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
45% of 20

University 33 is a 1-4 player co-op anomaly detection simulator. Observe your surroundings with unwavering focus: follow the protocol, identify the irregularities, and choose the correct path to reach Floor 33. One lapse in judgment restarts the cycle.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
92% of 115

Riftborne is a classic terminal based, real time, grand strategy game. Construct space ships. Take part in factional warfare. Hire galactic hit-men on your rivals. Raid neighbors for rare resources. Train spies to infiltrate enemy bases for key intel. Grow your empire to dominate the galaxy.

$$
Released
Price
$$ · Standard
Players
👥 Up to 3 players
Reviews
68% of 1,929

Retreating ends here. Defend Bastion against evil hordes, reclaim lost powers, rebuild ancient ruins, and adapt your tactics to reverse the siege. Shape your playstyle in this hero-strategy rogue-lite solo or co-op up to 3 players.

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
85% of 7

Imagine you went to the crapper, and emerged an hour later to a monster apocalypse! Retro first-person shooter action inspired by 90's classics! Old-school deathmatch & co-op!