Online co-op 1990's games

Every online co-op 1990's game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 71–80 of 146 games matching 1990's · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Up to 4 players
Reviews
60% of 10

Hell's most profitable Sinstribution™ firm is under attack by IRS operatives hell bent on tanking the company. Play as Inferna LLC's diabolical CEO or as tax-collecting Agents in this asymmetrical multiplayer RTS action dungeon crawl.

Free
Released
Price
Free
Players
👥 Not stated
Reviews
87% of 173

Trapped in a sinking submarine, two players must communicate through walkie-talkies to solve puzzles, complete tasks, navigate the depths, and escape before time runs out.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 16 players
Reviews
95% of 1,809

Step into the definitive re-release of two dark spell-casting shooters that shaped the genre. This enhanced restoration makes Heretic™ + Hexen™ available to new audiences and long-time fans with expanded accessibility across more platforms and languages than ever before.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
88% of 67

经典永不褪色,热血再度沸腾!《烈焰屠龙·神兵觉醒》以原汁原味的传奇玩法为核心,打造高爆率、高自由度的MMORPG盛宴。在这里,装备全靠打,神装遍地爆,刀刀暴击、秒怪升级的极致爽感贯穿全程!与兄弟并肩征战,从新手小白到全服霸主,书写属于你的强者传奇!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
89% of 283

Set up the battlefield with an ever growing list of units, vehicles, and emplacements! Then either join the battle as a plastic soldier or be life sized and tower over the chaos.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated

Start with 400 gold to build your defenses. Earn more by defeating enemies and use it to place new towers or upgrade existing ones. After wave 15, enemies that reach the end destroy your towers, raising the stakes. Survive as long as possible.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 6 players
Reviews
87% of 206

An online co-op horror game with up to 6 players. Use fully physics-based objects and fluid movement to grab some cash and escape The Grind. Use cash to buy items and equipment and fund community goals. Create your Grabba and get rich or die trying.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
44% of 29

Legends of Old is a retro-style co-op dungeon crawler inspired by classic RPGs. Battle deadly foes, find powerful items, and master unique classes in this modern take on an old-school experience.