可以和朋友在线一起玩的动作（Online Co-Op）游戏共 1,237 款，包括Bloody Trapland、Hammerwatch和Sanctum 2。
全部游戏: 24
Bloody Trapland is a fast-paced multiplayer platformer where the levels are filled with dozens of dangerous traps and tricky jumps that stand in your way! Play co-op with your friends or take on the challenges on your own. With support for up to 4 players at once, local and/or online.
《Sanctum 2》把塔防建造与第一人称射击结合起来，支持最多四人在线合作战役。你和朋友要守护产氧核心，布置角色装备，并可在完成战役后继续挑战生存模式。
Blending action and survival horror, Resident Evil 6 promises to be the dramatic horror experience of 2013.
最多四名骑士可以在 Castle Crashers 中并肩闯过滑稽的奇幻战役，体验本地与在线合作、魔法、武器和动物伙伴。
潜入戒备森严的建筑，拿走贵重物品并一同脱身。《Monaco: What's Yours Is Mine》是一款俯视角劫案游戏，支持最多四人在线或同屏游玩。
Dungeons & Dragons: Chronicles of Mystara brings reworkings of two of Capcom’s classic arcade hits - Dungeons & Dragons: Tower of Doom and Dungeons & Dragons: Shadow over Mystara – together in one definitive digital package.
守住发电机，在每波敌人之间购买强化，并邀请最多四位好友加入 ORION: Prelude 原版的五人合作模式。
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!
多人模式面向最多十名玩家，包含互联网和 LAN 合作及 PvP 选项；与好友共同建设帝国、对抗 AI 势力，并在六个派系和多种胜利目标之间选择。
Legends Unite! The Dynamic Duo of Batman and Robin join other famous super heroes from the DC Universe including Superman, Wonder Woman and Green Lantern to save Gotham City from destruction at the hands of the notorious villains Lex Luthor and the Joker.
与一位好友并肩守住魔法裂隙，在这款双人动作塔防游戏中布置陷阱、使用武器，对抗不断涌来的兽人。
和最多两位朋友组队，体验3对3平台动作MOBA，沿着机器人兵线推进并摧毁对手基地。
Evil has returned! Demonic powers are manifesting themselves as a myriad of dark creatures, fighting over the fates of imprisoned souls caught in Purgatory.
和朋友一起进入 Realm of the Mad God Exalt，参加人潮涌动的在线首领战、探索分支地牢，并从19个职业中选择。角色阵亡后会永久消失。
在线或通过 LAN 与朋友并肩挑战色彩鲜艳、武器丰富的 FPS 战役，也可以切换到对战模式。
和最多三位朋友一起布置防线，怪物涌向水晶时再亲自加入战斗。Dungeon Defenders将塔防策略、动作战斗，以及角色和装备的长期养成结合在一起。
和朋友一起挖掘、建造，探索不断变化的世界。桌面版专用服务器默认提供 16 个玩家名额；搜集更好的装备，再一起挑战 Boss 和入侵事件。
Take on the role of a hardened career criminal executing intense, dynamic heists in constant pursuit of the next “big score”
在Serious Sam 3: BFE的埃及战役中合作作战：线上最多16人，或本地分屏最多4人。
DC Universe Online is a Free-to-Play, massive multiplayer online action game set in the popular DC Universe. Become one of a new breed of Heroes or Villains and wield incredible powers as you go to war with legendary characters such as Batman, Superman, Lex Luthor and The Joker.
Sharpen your axe, string your bow, brew your potions! Ancaria needs heroes like you. Grab your friends to join the resistance!The once peaceful land of Ancaria is in grave danger. The evil Ashen empire has enslaved its population and is using the orc-like Grimmoc to wipe out the Seraphim, who swore to protect it.
Join The Mobile Trench Brigade and protect humanity from the evil Monovision menace!