可以和朋友在线一起玩的动作（Co-op）游戏共 1,687 款，包括Dead by Daylight、Grim Dawn和The Swords of Ditto: Mormo's Curse。
全部游戏: 24
10 years of horror. 10 years of jump scares and close calls. 10 years of brutal sacrifices and thrilling escapes. Trapped forever in a realm of eldritch evil where even death is not an escape, four determined Survivors face a bloodthirsty Killer in a vicious game of nerve and wits.
在《Grim Dawn》毁灭后的世界中，与最多三位朋友组队，搭配角色专精，一起对抗怪物，并选择个人或共享战利品。
Now reimagined and expanded in the new Mormo's Curse update, The Swords of Ditto is a roguelite action RPG that creates a unique adventure for each new hero of legend in the relentless fight against the evil Mormo.
Aragami is a third person stealth game that casts you as an undead assassin with the power to control the shadows. Teleport to any shadow, become invisible, materialize weapons or even summon a shadow dragon to infiltrate the enemy ranks and dispose of your targets.
One of the highest rated Xbox Indie Games is now available for PC! How long can you survive in this online co-op wave based shooter? Featuring 35 characters, over 100 weapons, 30 stat-boosting hats, and 6 levels, Zombie Estate 2 is a frantically fun experience to share with friends!
Brain / Out is a multiplayer shooter with a nostalgic post-Soviet feel. Experience dynamic battles and exterminate your enemies with a large arsenal of modern weaponry. Lock'n'load!
Nex Machina is an intense arcade style twin-stick shooter from Housemarque. Taking hints from both Robotron and Smash TV, Nex Machina focuses on pure action, voxel destruction and competition in the distant, cablepunk themed future.
Experience the thrills of a fast-paced single and multiplayer Parkour game. Join the Rebellion and deride the security forces of an anti-leisure tyranny. Rise up to the many challenges of a futuristic Open World. Assemble your team, enhance your gear and perform incredible tricks and combos.
Cut-throat multiplayer running game that pits 4 players against each other, locally and/or online. Run, jump, swing around, and use devious weapons and pick-ups to knock opponents off-screen! One of the most competitive games you'll ever play.
The legendary bullet-hell shoot-’em-up series has come to Steam! DoDonPachi is ressurected after a Blissful Death with enough modes to satisfy the beginner and the expert player alike. Tonight we dine in bullet hell!
Slayers! Go forth and eradicate the Oni menace! Experience the latest hunting action game featuring a dynamic targeted destruction system! The latest installment in the hunting action series "Toukiden".
Subsistence is a sandbox, first person, solo or co-op, PvE open-world survival game. Struggle through changing seasons to build a base, develop technology and gear-up in the hostile environment. Defend yourself from wildlife, the elements and AI hunters (who also build bases in the world).
Play as an exiled 'wum' looking for a new home in this bizarre but charming world, filled with strange creatures, puzzles, monsters and political chaos.
RAID: World War II is an action-packed four player cooperative shooter set during a time when the Nazi war machine was still winning, and hope was in short supply.
Welcome to the zombie apocalypse experience of a lifetime – and now more beautiful than ever. Caught in the midst of an epic zombie outbreak on the tropical island of Banoi, your only thought is: Survive!
Explore a haunting, punishing island in this stylized 2D action RPG. Salt and Sanctuary combines fast and brutal 2D combat with richly developed RPG mechanics in a cursed realm of forgotten cities, blood-soaked dungeons, and desecrated monuments.
An old-fashioned beat 'em up with big doses of adrenaline and trippiness, somewhere between the classic style of Streets of Rage and the ultra-violence of Hotline Miami. Set in a cold, ruthless Soviet Union, Mother Russia Bleeds aims to conjure up anxiety, unease, and drug-addled frenzy.
POSTAL Redux is a high definition remake of the classic dark and surreal twin-stick isometric shooter. Take control of The POSTAL Dude as he fights to survive in a world gone mad with violence.
Ratty Catty is a Multiplayer / CO-OP hide & seek game about the adventures of a domestic cat Catty and hazel dormouse Ratty, who eats the foods in the house, feeds its babies, and lives in a small rat nest.
FRAG LIKE IT'S 1999! TOXIKK plays as if today's military shooters never existed: Designed as a spiritual successor to the FPS giants of the late 90s and early 2ks, TOXIKK carefully evolves their mechanics with modern technology and fresh ideas elaborated with Arena-FPS enthusiasts.
在线或通过局域网，与朋友合作挑战相连的《半条命》战役和大量社区地图。救起队友、破解地图谜题，一起向前推进。
Just Cause 3 Multiplayer mod is a free fan-created project bringing an explosive and highly-customizable multiplayer.
Based on the community award-winning Doom2 mod with the same name by the same creator, UNLOVED is reimagined in the Unreal Engine 4 to bring forth the unspeakable terror in new ways. Play coop with your friends, increase your skills, mod your weapons and face the horror that this unearthly place holds...
The game that all One Piece fans have been waiting for. One Piece Burning Blood is a dynamic and colourful new fighting game featuring the world’s most famous pirate: Monkey D. Luffy.