Online Co-Op Action games to play together

1,239 Online Co-Op Action games your group can play together online, including EARTH DEFENSE FORCE: WORLD BROTHERS 2, Lost Rift, and Mobmania.

All games: 24

EARTH DEFENSE FORCE: WORLD BROTHERS 2

The Earth is in pieces...again! We've gotta do more to save the planet!

89%89% positive of 201 reviews33Playing now: 33$49.99

Lost Rift

Lost Rift is a first person survival adventure shooter that blends cooperative base building with multiplayer PvE or PvP extraction expeditions. Journey solo or in teams of up to 5 players across a vast archipelago, craft gear, build bases, defeat raiders, and become legendary.

67%67% positive of 1,482 reviews5Playing now: 5$24.99

Mobmania

Mobmania is a four (4) player co-op real-time bullet-hell action rogue-like where you kill enemies, buy items after leveling up, and survive long enough against thousands of monsters and bosses until the final fight against the Witch.

85%85% positive of 370 reviews1Playing now: 1$4.99

Orcs Must Die! Deathtrap

Orcs Must Die! Deathtrap combines chaotic third-person combat with devious trap-laying strategy. Enjoy endless replayability as your War Mage grows stronger through roguelite progression. Repel relentless orc hordes solo or with up to 4 players.

70%70% positive of 4,084 reviews115Playing now: 115$29.99

Party Club

Seat customers, serve drinks, and manage chaos with up to 4 players! Keep the peace by considering customer types while seating them. Survive disasters, handle quirky customers, and design the perfect venue to keep the party going!

72%72% positive of 190 reviews46Playing now: 46$4.99

LIZARDS MUST DIE 2

LIZARDS MUST DIE 2 is a cooperative slasher action game, a high–quality continuation of the SENSATIONAL first part. Insidious lizards attacked the lands of the Rus again. HYPERBOREA is on fire and only the GLORIOUS HEROES can kick the invaders from their homeland.

94%94% positive of 2,250 reviews1Playing now: 1$9.99

Coridden

Become the ultimate shapeshifter in this hack n’ slash ARPG with action-based combat. Transform seamlessly and customize both your human and beast powers as you level up, find new gear and DNA-strands. Venture out solo or in co-op to uncover the secrets sealed inside a legendary city.

88%88% positive of 435 reviews3Playing now: 3$19.99

MechWarrior 5: Clans

In MECHWARRIOR 5: CLANS, players become new Smoke Jaguar pilots in the Clan Invasion of the Inner Sphere. Lead a five-mech "Star" squad across diverse planets, engaging in an expansive campaign with immersive gameplay and intricate combat. Customize BattleMechs and explore strategic options.

73%73% positive of 5,646 reviews241Playing now: 241$29.99

Gears of War: Reloaded

Experience the origins of one of gaming’s most acclaimed franchises like never before, faithfully remastered and optimized for PC.

61%61% positive of 4,114 reviews72Playing now: 72$39.99

BOKURA: planet

"There's something I can't tell you..." Explore new frontiers of co-op gaming in BOKURA: planet, a puzzle adventure game that you can only play with two players. Take on the role of a spaceship's exploration crew and try to escape from the red planet you crash-landed on.

73%73% positive of 1,480 reviews6Playing now: 6$5.49

Star Vortex

Star Vortex is a fast-paced Action-RPG inspired by classics of the genre. Design your ship, fight through hostile alien sectors solo or with friends, salvage rare weapons and experiment with powerful builds until nothing can stand against you.

84%84% positive of 159 reviews1Playing now: 1$24.99

Secret Agent Wizard Boy

You’re a wizard! And a secret agent. The evil S.P.I.D.E.R crime syndicate has taken over your school, creating chaos. Play solo or up to 4 player co-op as you duel students, discover ancient secrets, and use scandalous spells.

96%96% positive of 950 reviews1Playing now: 1$9.99

Pizza Deathlivery

Alone or up to 6 players, deliver pizzas to the survivors of a city where an oppressive mist has turned almost everyone into monstrous creatures.

70%70% positive of 164 reviews2Playing now: 2$2.99

Granblue Fantasy: Relink

A grand adventure in the skies awaits! Form a party of four from a diverse roster of skyfarers and slash—or shoot or hex—your way to victory against treacherous foes in this action RPG. Take on quests solo or with the help of others in up to 4-player co-op play!

88%88% positive of 41,427 reviews2.8KPlaying now: 2,753$23.99

Phantom Breaker: Battle Grounds Ultimate

"Phantom Breaker: Battle Grounds Ultimate" is a side-scrolling beat-'em-up with the heart of a fighting game, showcasing nostalgic pixel art and the latest cross-platform online multiplayer. Experience the biggest and most expansive entry in the "Phantom Breaker: Battle Grounds" series to date!

84%84% positive of 209 reviews2Playing now: 2$24.99

The Bonerooms

The Bonerooms is a goofy horror-themed multiplayer game about surviving in a living maze. What will be your downfall? The spooky inhabitants of the maze, or your fellow players?

77%77% positive of 3,454 reviews27Playing now: 27Free

Tank Squad

Tank Squad is a tactical-combat action game. Take part in big tank battles during World War II. Play single-player or coop (4 players). Repair your tanks, replenish supplies, manage the crew and get back to the action!

70%70% positive of 891 reviews10Playing now: 10$19.99

Warside

Fast-paced, classic-style turn-based tactics. Pick from 14 Commanders with game-changing Battle Powers, command 30+ land, sea and air units across a 30-mission campaign, then take it online or build your own maps.

68%68% positive of 561 reviews23Playing now: 23$24.99

Avatar: Frontiers of Pandora™

Avatar: Frontiers of Pandora™ is a third and first-person action-adventure game set in the Western Frontier. Reconnect with your lost heritage and discover what it means to be Na'vi.

77%77% positive of 15,296 reviews1.3KPlaying now: 1,275$29.99

Oh Deer

One hunter & up to 9 friends disguised as deer. A game of hide-and-seek where every move could be your last. Will you blend in with the herd or stand out? Oh Deer...

84%84% positive of 2,158 reviews104Playing now: 104$7.99

Lost Skies

Chart a course in a breathtaking, but fractured world. Explore ancient ruins, master advanced technology, and craft your very own skyship to brave nature’s fury and colossal threats in Lost Skies. Team up with friends or go it alone in this awe-inspiring cooperative survival adventure.

62%62% positive of 2,485 reviews15Playing now: 15$24.99

STORROR Parkour PRO

The city is your playground. The risk is real. The path is yours. A physics-driven experience that will immerse you in an authentic urban environment. Master your movement, challenge your instincts, and traverse a city designed for limitless creative potential.

72%72% positive of 1,629 reviews9Playing now: 9$14.99

War Robots: Frontiers

Gear up for tactical mech action in War Robots: Frontiers, a free-to-play multiplayer mech shooter. Construct and customize, squad up with Pilots online, and fire up your engines in massive intergalactic battles.

65%65% positive of 5,020 reviews195Playing now: 195Free

Arcane Raiders

Team up with your wizard friends to pillage the magic tower! Create elemental synergies, defeat powerful bosses and claim the tower's treasure in this rogue-like dungeon-raider.

90%90% positive of 119 reviews2Playing now: 2Free

More games