Co-op games like Boundless

If the colorful and competitive rhythm of Boundless stuck with you, this helps. These co-op games could fill that gap nicely. Most of them work well for a shared session.

Cheaper than Boundless

Solace Crafting

Solace Crafting

Embark on an adventure set in a fantasy survival RPG. Visit a borderless, open world where you manage resources to construct your base and new types…

72% of 834 Steam reviews are positive$14.99
Starbound

Starbound

Starbound strands you in space with a broken ship and a whole procedurally generated universe to fix it with.

92% of 120,672 Steam reviews are positivePlayers online now: 868$14.99
Rising World

Rising World

Rising World is a voxel open-world sandbox with randomly generated, fully destructible land, playable solo or with co-op friends.

85% of 5,347 Steam reviews are positivePlayers online now: 102$14.99
Soulbound: Online

Soulbound: Online

Soulbound: Online is a cute pixel-art MMO where your gear decides your class, so you can tank one night and rain bullets the next.

59% of 636 Steam reviews are positivePlayers online now: 17$14.99
Necesse

Necesse

Necesse is a pixel-art survival-craft RPG in an infinite procedurally generated world where you and co-op friends build a settlement, recruit…

92% of 24,756 Steam reviews are positivePlayers online now: 545$14.99
SUPER BUILD

SUPER BUILD

Build, design, and explore your own fantasy world using over 1000+ items, in this relaxing sandbox game. No missions, no objectives, no timers.

80% of 227 Steam reviews are positive$14.99
Journey Of Life

Journey Of Life

You have experienced the sudden loss of your wealth, which has compelled you to abandon your previous life and begin anew.

55% of 598 Steam reviews are positive$14.99
Skullborn

Skullborn

Skullborn is an infinite massively multiplayer sandbox game!

73% of 56 Steam reviews are positive$4.49
Vagabond

Vagabond

Explore procedurally generated living worlds in this 2D sandbox RPG.

75% of 96 Steam reviews are positive$14.99
Force of Nature

Force of Nature

Force of Nature is a sandbox survival-craft game across more than 10 zones with their own plants and animals.

74% of 3,914 Steam reviews are positivePlayers online now: 9$7.99
Gnome Online

Gnome Online

Gnome Online is an innovative, Real-Time, fast-paced, PvP, Sandbox MMORPG.

72% of 122 Steam reviews are positive$17.99
Dark and Light

Dark and Light

Dark and Light is a vast sandbox survival RPG set in a world dominated by powerful elemental forces.

51% of 10,596 Steam reviews are positivePlayers online now: 22$17.99

Hidden gems like Boundless

Everwind

Everwind

Build a flying ship-base with up to four co-op friends, then steer it through procedural skies to loot islands and fight through dungeons.

80% of 3,595 Steam reviews are positivePlayers online now: 134$24.99
Outbound

Outbound

Turn an empty electric camper van into a rolling home with up to 4 co-op friends, then road-trip through colorful biomes together.

73% of 1,890 Steam reviews are positivePlayers online now: 93$24.99
Everlast: Undying Tale

Everlast: Undying Tale

Team up in a bright fantasy world where the dead will not stay down.

75% of 180 Steam reviews are positive$24.99
Necesse

Necesse

Necesse is a pixel-art survival-craft RPG in an infinite procedurally generated world where you and co-op friends build a settlement, recruit…

92% of 24,756 Steam reviews are positivePlayers online now: 545$14.99
Plains of Pain

Plains of Pain

A scorched sandbox built for co-op friends to survive together: share thirst, heat and bandit trouble, raise a base into a settlement, craft hover…

84% of 1,041 Steam reviews are positivePlayers online now: 37$19.99
Cubic Odyssey

Cubic Odyssey

A blocky galaxy to save with co-op friends: mine planets, craft tools and ships, build outposts, and push back the Red Darkness that mutates…

74% of 2,428 Steam reviews are positivePlayers online now: 46$24.99
Gnome Online

Gnome Online

Gnome Online is an innovative, Real-Time, fast-paced, PvP, Sandbox MMORPG.

72% of 122 Steam reviews are positive$17.99
Subspace Discovery

Subspace Discovery

Fly through Subspace, build your own ship, and engage in epic battles. Mine asteroids and research new technologies.

74% of 147 Steam reviews are positivePlayers online now: 2Free
Polity - Online Role Playing

Polity - Online Role Playing

A social cross-platform MMORPG. Enjoy mastering skills, quests, achievements, puzzles, mini-games, crafting, and extensive customization.

70% of 110 Steam reviews are positiveFree
Mist Legacy

Mist Legacy

Mist Legacy is a slow, top-down fantasy RPG with turn-based fights where skills decide everything.

72% of 1,601 Steam reviews are positivePlayers online now: 32Free
World Seed

World Seed

A simple game with big ambitions. Fight creatures, explore the world and progress your character in this ever changing world.

74% of 342 Steam reviews are positiveFree
Solace Crafting

Solace Crafting

Embark on an adventure set in a fantasy survival RPG. Visit a borderless, open world where you manage resources to construct your base and new types…

72% of 834 Steam reviews are positive$14.99

Newest co-op games like Boundless

Everlast: Undying Tale

Everlast: Undying Tale

Team up in a bright fantasy world where the dead will not stay down.

75% of 180 Steam reviews are positive$24.99
SpaceCraft

SpaceCraft

SpaceCraft hands you a whole galaxy to run with co-op friends: scan planets, mine what you find, build ships part by part, then set up automated…

63% of 2,738 Steam reviews are positivePlayers online now: 232$29.99
Outbound

Outbound

Turn an empty electric camper van into a rolling home with up to 4 co-op friends, then road-trip through colorful biomes together.

73% of 1,890 Steam reviews are positivePlayers online now: 93$24.99
Farever

Farever

Farever is an online fantasy action RPG set across the open realm of Siagarta, playable solo or with friends.

75% of 9,218 Steam reviews are positivePlayers online now: 243$19.99
Lay of the Land

Lay of the Land

Lay of the Land is a voxel sandbox where fire spreads, sand slides, water carves valleys and roofs fall on monsters.

80% of 1,251 Steam reviews are positivePlayers online now: 7$13.99
Everwind

Everwind

Build a flying ship-base with up to four co-op friends, then steer it through procedural skies to loot islands and fight through dungeons.

80% of 3,595 Steam reviews are positivePlayers online now: 134$24.99
Necesse

Necesse

Necesse is a pixel-art survival-craft RPG in an infinite procedurally generated world where you and co-op friends build a settlement, recruit…

92% of 24,756 Steam reviews are positivePlayers online now: 545$14.99
Cubic Odyssey

Cubic Odyssey

A blocky galaxy to save with co-op friends: mine planets, craft tools and ships, build outposts, and push back the Red Darkness that mutates…

74% of 2,428 Steam reviews are positivePlayers online now: 46$24.99
Longvinter

Longvinter

Longvinter drops you and your co-op friends on an open island with no rules: fish, farm, cook, craft from over 500 items, and build a tent into a…

68% of 6,967 Steam reviews are positivePlayers online now: 49$19.99
Realm of Simplicity MMORPG

Realm of Simplicity MMORPG

Realm of Simplicity is an indie-developed open world MMORPG set in a medieval fantasy where you will embark on your own adventure.

63% of 317 Steam reviews are positivePlayers online now: 2Free
Brighter Shores

Brighter Shores

Brighter Shores is a colorful, relaxing point-and-click RPG where you join the Hopeport guard, learn trades like fishing, cooking and mining, and…

67% of 9,423 Steam reviews are positivePlayers online now: 91Free
Orebound

Orebound

Orebound is a dwarven factory game in first person where you mine, craft, and automate your way through a voxel open world.

78% of 965 Steam reviews are positivePlayers online now: 21$24.99