Online Co-Op Action games to play together

1,240 Online Co-Op Action games your group can play together online, including Spacelines from the Far Out: Flight School, Evolve or Die, and Flipping is Hard.

All games: 24

Spacelines from the Far Out: Flight School

Spacelines from the Far Out: Flight School is all about getting you prepared to take on the task of running your own Spaceline before launch! Join up to 3 other people to take on the challenges and demands as you ferry people to their destination.

81% positive of 253 reviewsPlaying now: 0Free

Evolve or Die

A co-op voice-controlled action game where yelling is the combat system. Team up, scream into your mics, and unleash absurd sound-powered attacks. Coordinate, panic, or just shout nonsense until the enemies—and your friends—totally melt down.

98% positive of 251 reviewsPlaying now: 0$4.99

Flipping is Hard

No Legs. Just Flips. A hard and punishing game where you flip, fall, and climb as Flippy, using only rotation. Do you have what it takes to get back to Jeff?

84% positive of 250 reviews$14.99

Knights Within

Knights Within is a hack&slash horde shooter with roguelite elements. Design custom loadouts, navigate procedurally generated levels and utilize random power-ups. Either solo or with friends, can you survive endless waves of enemies to ensure humanity's survival?

95% positive of 249 reviewsPlaying now: 0$17.99

Space Farmers

Grab a friend, grab a gadget, grab a gun and get ready for the most fun you'll ever have in a co-op game!

77% positive of 248 reviewsPlaying now: 0$9.99

Crystarise

Explore a vast world, create your own sky island, the island gives the girl the power. An open world-action RPG that you create more and more and become stronger and stronger.

76% positive of 247 reviewsPlaying now: 0$15.99

STUFFED

A spooky teddy bear first-person shooter where you defend your owner from waves of her nightmares. Play solo or join your friends in up to 4 player online co-op.

76% positive of 247 reviewsPlaying now: 0$12.99

Outbreak: The New Nightmare

Return to the roots of co-op survival horror as you face monstrous hordes, scrounge for supplies and attempt to survive the nightmare. You have one life. Make it count!

65% positive of 246 reviewsPlaying now: 0$1.94

Viking Squad

Grab your trusty sword, strap on a fearsome helmet, and plunge into the chaotic fray of Viking Squad! In this three player co-op brawler you must put a stop to the wildly mischievous Loki and reopen the gates to Valhalla. Find a friend for local co-op couch play or find a match online!

84% positive of 245 reviewsPlaying now: 0$14.99

Granvir: Zero Front

Granvir: Zero Front is a 3rd person action roguelite mech-builder with co-op multiplayer. Experience the prelude to Granvir as the resistance response to the Millennium Company invasion. Pilot your Granvir, manage your campaign between battles to find the best equipment, and stay in the fight.

86% positive of 244 reviewsPlaying now: 0Free

Nexus Rumble: The Ultimate Showdown

Free-to-play 30-player party royale where every round switches genres! Sprint, slide-hop, and shove rivals across 35+ modes and 60+ maps—from Kart Racing, Prop Hunt, and FPS Deathmatch to Glass Bridges and Mingle. With 3D proximity voice, custom lobbies, and cross-play!

81% positive of 243 reviewsPlaying now: 0Free

Witchtastic

Witchtastic is a challenging 2-4 player coop game about brewing and delivering magic potions as fast as possible. Take on the role of aspiring witches and experience charming adventures. Need a break from all the yelling of your friends? You can practice in a single player campaign as well!

92% positive of 242 reviewsPlaying now: 0$17.99

Rune Knights

Rune Knights is a cooperative action RPG focused on customization, crafting, and combat. Customize your character's aesthetics, stats, gameplay, and gear as you battle through procedurally generated and hand-crafted levels with your allies.

76% positive of 238 reviewsPlaying now: 0$19.99

Serious Sam VR: The Second Encounter

Serious Sam VR: The Second Encounter is a sequel to Serious Sam VR: The First Encounter - frantic arcade action FPS, featuring singleplay and co-op campaign, various multiplayer modes, all presented in glorious VR and with different locomotion movements.

84% positive of 238 reviewsPlaying now: 0$19.99

Cannibal Crossing

Cannibal Crossing is an action-survival game where you explore the randomly generated town of Earlsboro while scavenging, fighting hordes of enemies, building a base, and searching for a way to escape! Meet survivors with new abilities and lots of cannibals. Includes a co-op mode for 1-4 players!

62% positive of 232 reviewsPlaying now: 0$19.99

Presidents Tower Defense

Defend the Oval Office from an endless alien invasion by harnessing the abilities of your favorite (or least favorite) U.S. Presidents.

92% positive of 228 reviewsPlaying now: 0Free

契灵之约

助战契灵相伴,携手浪漫情缘,谱写都市冒险物语!添加outpop1102(vx),领20元好礼~

88% positive of 228 reviewsPlaying now: 0Free

AsHes

This horror game inspired by Chinese folklore offers an enthralling journey through the depths of the Underworld. As you delve deeper, you'll unravel hidden secrets veiled in the darkness.

61% positive of 226 reviewsPlaying now: 0$24.99

I will eat you

I will eat you! Run, hide, shout and try to survive in the game, full of fun and funny moments. Play with random players or with friends. But whatever you do, DO NOT ENTER THE DEN OF THE BEAST!

79% positive of 226 reviewsPlaying now: 0$4.99

RUSH

Are you ready for the ultimate thrill ride? Take a dive into the adrenaline-pumping world of wingsuit flying with RUSH! Soar down mountainsides at breakneck speeds. Weave through canyons, dodge outcrops, and plummet down sheer drops as you race towards the finish line.

80% positive of 226 reviewsPlaying now: 0$4.99

Messy Up

"Messy UP" is a cute multiplayer game where pets destroy homes to grab the owner's attention. Due to the owner's busy schedule, they lack time for their pets. Players control the pets or play as the owner to catch them in this delightful mischief-filled game!

83% positive of 222 reviewsPlaying now: 0$7.99

WHO'S WHO 2.0

Who's Who 2.0 is back with brand new team! Looking for another dynamic party game? Each characters now holds unique skills which now will impact each modes with its own advantages! You can play solo, or party up with your friends and become the winner by eliminating the real players among the NPCs.

83% positive of 220 reviewsPlaying now: 0Free

Countryballs: Modern Ballfare

The Definitive Political Debating Simulator. A wacky third-person multiplayer arena shooter inspired by Countryball memes - a game encouraging you to smash each others balls until someone finishes victoriously. Now includes an online co-op zombie mode!

94% positive of 219 reviewsPlaying now: 0$4.99

Turtle Champs

Play as a Turtle and duke it out in a game of Football. Use your gun to fly around the field or even shoot the ball.

94% positive of 219 reviewsPlaying now: 0Free