Online co-op Action-Adventure games

Every online co-op Action-Adventure game on Steam we know of. Add tags, a price band or a review floor to narrow it down.

Showing 1481–1490 of 1,513 games matching Action-Adventure, newest first · updated 13 Oct 2026

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Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
90% of 7,875

Return to the Forgotten Realms in this bestselling Dungeons & Dragons roleplaying game. Combines all the content of Neverwinter Nights Diamond Edition with all-new enhanced features. Includes 100+ hours of award-winning adventures and the tools to create your own!

Free
Released
Price
Free
Players
👥 Not stated
Reviews
66% of 793

Epic Roller Coasters is where you will find the most unique roller coasters of the world. Try it out on three different modes: classic, shooter and race. Don't forget to call your friends to ride your favorites roller coasters with you.

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Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
86% of 1,449

VR was made for this. Perform triple jumps, wall runs, power slides and slow time down while blasting away at a foe before landing to deliver a blade attack on another. Kit yourself with katanas, firearms, bows, throwing glaives and legendary relics. Keep upgrading as you play. PURE CYBER NINJA FUN.

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We Were Here Too

Deck PlayableCrossplay
$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
78% of 9,070

As your final hour approaches, a large structure looms up in the distance, towering above the relentless storm. Discover the truth behind this dark castle in a communication-based, cooperative puzzle adventure.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
67% of 2,201

Welcome to Han Xiongnu Wars. A stand-along game and synergy of historical Far East and multiple features in role-playing, real-time strategy and action gameplay. This game brings you to the eventful years of the early Han Dynasty, and faithfully presents the ancient eastern culture with many objects and scenes faithfully reconstructed from latest archaeological findings and historic documents.

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Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
71% of 57

Dungeons & Treasure is a roguelike multiplayer created with voxel art for virtual reality. The game is an endless fast-paced action adventure. You progress through different environments with unique enemies, bosses and challenges like traps and minor puzzles.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
51% of 692

Killing Floor: Incursion is a fully-realized, multi-hour, story-driven adventure with an additional endless mode. In solo or co-op mode, travel diverse environments, from creepy farmhouses to the catacombs of Paris, in order to uncover who... or what is behind the Zed menace.

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