Online co-op Exploration games

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

Showing 341–350 of 1,878 games matching Exploration · updated 13 Oct 2026

Filters: Exploration × Clear all
$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
72% of 288

Explore a strange island in this open-world survival horror. Use the Gravity Gun to manipulate objects and enemies, build a moving train base, fight giant creatures, catch critters, upgrade your gear, and uncover the dark secrets hidden within its abandoned facilities. Play alone or with friends.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
92% of 150

Namako (Sea cucumbers) will save the Earth—NAMAKORIUM is a chaotic, cooperative multiplayer RTS game for up to four players. Command the “cleaners of the sea” —Namako left behind by humanity and work together to clean up the polluted oceans!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
0% of 1

Backrooms: The Last Observer is a cooperative horror game. Descend into something that resists understanding, where perception itself begins to fracture. You are here not to fight, but to witness — and sometimes, witnessing is the worst thing you can do.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
91% of 116

You're a mushroom. Your friends are mushrooms too. Grow big, enjoy the rain, watch out for worms and the forager with a basket. No quests, no bosses. Just you, the forest, and that worm that crawled up at the wrong moment again.

$
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
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

PlayZone is a multiplayer party game that combines various classic gameplay elements with social interaction, making it both relaxing and fun. It supports personalized avatars and a reward system. Come and play with your friends!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
69% of 39

What'Sub is a 4-player co-op submarine extraction game where you pilot a rust-bucket submarine into the depths of the Bermuda Triangle to recover treasure from the ocean’s seafloor. Gear up, descent, risk everything to bring your haul back to the surface, then dive again to ever deeper levels.

If you loved these, you'll love this