Online co-op Deckbuilding games

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

Showing 21–30 of 91 games matching Deckbuilding · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 12

Wasteland Messenger is a roguelike strategy game featuring inventory management. Collect randomized items, face unpredictable events, craft unique builds, and forge custom weapons. Enjoy lighthearted storylines with lovely heroines in single-player, or team up with friends in online co-op!

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Free
Released
Price
Free
Players
👥 Up to 8 players
Reviews
70% of 10

A free-to-play strategy card game where five nations wage war. Build a deck around your Leader, then battle through ranked duels, a 100-floor roguelike, co-op bosses, and clan wars, plus Leader Clash, a full auto-battler mode built into the game.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
71% of 7

HARD EDGE is back as a 4v4 real-time tactical card battler! Combine strategic deck-building with simultaneous team actions. Every turn, draw cards to shoot, throw, or defend. Sacrifice cards to move in a high-stakes tactical "WAR ZONE."

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
33% of 3

A first-person card game where horror isn’t constant: it appears only when the match decides. For 1–4 players with real-time voice chat, over 900 dynamic events, cursed progression, and a final boss waiting for the challenge.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
85% of 123

Agent 11 is back. The iconic tactical deck-builder returns, with new tricks up its impeccably tailored sleeves… and this time it’s with friends. Improvise within the space, adapt your deck to the challenges ahead, and overcome a roster of new enemies in stylish, animated, fight sequences.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
84% of 1,472

Abyss decayed, witches awaken. As their guide, you will weave their destinies. Craft unique cards, schedule their days, shape endless possibilities through deckbuilding. Each choice will lead to different Ending...

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
73% of 68

"Collapsing World" is an innovative tower defense game blending deck-building and roguelike mechanics. Recruit unique companions, craft powerful skill decks, and tackle randomized stages. Deep strategy breaks the traditional TD mold—every run is a fresh challenge!

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
93% of 849

Strategic auto battler where you design a heavily-armed spaceship. Draft 200+ items, outfit your hull, and unleash it in async PvP. Blend captains and factions for absurd combos and galactic domination. Roll, buy, place, pray.

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$
Released
Price
$ · Cheap
Players
👥 Not stated

CardBoard is a deckbuilder centered around a tabletop board game. Choose from a variety of characters with almost 400 playable card upgrades and battle across dynamic themed boards. No healer required—just a little faith in the cards.

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