Online co-op Underground games

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

Showing 11–20 of 47 games matching Underground · updated 12 Oct 2026

Filters: Underground × Clear all
$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
87% of 418

Mining Merchant is a relaxing mining and shopkeeping adventure game. Mine by day to uncover rare ores and gems, then craft jewelry to sell in your shop by night. Rebuild your uncle’s business solo or in co-op and uncover the mystery behind the nightly earthquakes.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 2–4 players
Reviews
94% of 19

SEVENS is a competitive multiplayer card experience set in a dark underground club atmosphere. Sit at the table, read your opponents, disrupt their strategy, and fight to control the flow of the game — whether you're playing with friends, strangers, or bots.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
66% of 12

2079. The sun exploded. The rich fled underground. You were sent to the top, where the sky burns. They call you Penthouse Rats. Descend into ruins crawling with smart, unique creatures. Make noise, one hunts you. Stay silent, another finds you. 1-4 player co-op horror.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 2 players

Embark on a mystical journey as a Sparrow, exploring enchanted worlds and meeting new characters. Complete challenges to enhance your skills and progress through the game. Level up your character to increase size and capability. Earn XP by collecting stars, completing races and challenges.

If you loved these, you'll love this

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

CaveVox — the ONLY first-person voxel roguelike with permadeath. Live as your character: descend into a deadly dungeon, fight monsters, gain loot, and return to the surface for your next descent. Each expedition is unique — solo or with a party of adventurers, your choices shape your journey.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
89% of 28

“COLLAPSE COMPANY” is a round-based roguelike action FPS for 1–4 players exploring shifting underground dungeons. Your goal is to activate the deep Particle Acceleration Reactor and escape before time runs out. Gather resources, upgrade gear, and push into riskier zones.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
53% of 13

The Empty Halls is a VHS analog horror exploration game inspired by the idea of liminal spaces. Explore eerie Backrooms-style environments, record strange anomalies with your VHS camera, and complete missions assigned by the anonymous higher ups.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
100% of 1

Golf your way out of a monster-infested magical dungeon! Use enchanted powers to launch glowing crystals into portals while dodging traps, monsters, and each other. Up to 7 players can join the chaos—expect wild shots, accidental sabotage, and a lot of yelling.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
77% of 22

A co-op survival horror on a destructible, procedurally generated planet. Explore abandoned facilities, mine resources, and craft what you need to survive the radiation.

If you loved these, you'll love this