Realm of the Mad God Exalt：这片合作世界也会反击
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。
47,823 篇评测中 82% 为好评当前玩家: 1,271免费
2D：适合一起玩的游戏
可以和朋友在线一起玩的2D游戏共 1,418 款，包括Realm of the Mad God Exalt、Cortex Command和Terraria。
全部游戏: 24
Cortex Command
Choose between different factions, with their own set of expendable soldiers, mechas, and weapons. Protect your brain, mine gold, and destroy the enemy cortex in his bunker complex!
2,002 篇评测中 82% 为好评当前玩家: 4US$19.99
《泰拉瑞亚》让每个世界都成为共同冒险
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。
1,248,943 篇评测中 97% 为好评当前玩家: 33,712US$9.99
Giana Sisters: Twisted Dreams
Giana Sisters: Twisted Dreams is a blistering hardcore platformer with contrasting worlds.
1,007 篇评测中 81% 为好评当前玩家: 3US$14.99
Sacred Citadel
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.
619 篇评测中 72% 为好评当前玩家: 1US$9.99
Puzzle Pirates
Every activity in Puzzle Pirates is a uniquely fun puzzle: be it sailing, gunning, or hauling treasure, your own puzzling skill determines your success!
2,297 篇评测中 80% 为好评当前玩家: 337免费
Worms
Throw a grenade down memory lane with the original and classic turn-based strategy game Worms™! Up to 4 teams of worms do battle over an ever-changing battlefield with falling weapon crates, crazed exploding sheep and more besides. Winner of many industry awards, find out what all the fuss was about.
469 篇评测中 84% 为好评当前玩家: 3US$1.59
《Shank》的双人前传有自己的血腥节奏
《Shank》的独立合作前传是一段双人本地横版动作冒险，包含武器连招、双人终结技和专为合作设计的首领战。
3,044 篇评测中 90% 为好评当前玩家: 12US$9.99
Worms Reloaded
Ten years on from Worms™ Armageddon and the turn-based comic mayhem continues in Worms™ Reloaded, an all-new edition available for PC through Steam.
3,384 篇评测中 85% 为好评当前玩家: 77US$3.99
Altitude：横版飞行射击中的合作任务
和朋友一起游玩社区服务器 Alti+ Coop 的自定义合作地图，也可以在 Altitude 的标准模式中与其他队伍竞技。
1,947 篇评测中 91% 为好评当前玩家: 9免费
Beat Hazard：把你的音乐变成双人太空射击游戏
Beat Hazard 将你的音乐库变成色彩炫目的双摇杆射击游戏。基础版支持本地双人合作；可选的 Ultra DLC 增加在线合作。
5,075 篇评测中 94% 为好评当前玩家: 1US$9.99
AI War: Fleet Command：把合作游戏变成银河战役
和最多七位好友一起，展开一场对抗两个 AI 帝国的长期策略战役。扩张能壮大抵抗军，但摧毁敌方关键设施也可能引来更多注意。
992 篇评测中 84% 为好评当前玩家: 8US$9.99
Spectromancer
A turn-based online fantasy card game. No character leveling, no grinding, no deck building - just 100% skill-based and fast-paced card battles!
336 篇评测中 86% 为好评当前玩家: 12US$6.99
DEFCON：与好友周旋于核战争边缘
指挥六个世界区域之一。雷达、舰队、轰炸机和核导弹发射井让 DEFCON 成为一场紧张的联盟博弈，每个人都想尽量少输。
3,510 篇评测中 87% 为好评当前玩家: 15US$11.99
Skullgirls 2nd Encore
--Main Stage Game at Evo 2022!-- The ultimate Skullgirls experience: Featuring 14 hand-animated characters, fully voiced story mode, countless palettes, and unparalleled GGPO-based multiplayer netcode.
29,329 篇评测中 73% 为好评当前玩家: 0US$6.24
Crypt of the NecroDancer：合作也要踩准节拍
基础版支持双人本地合作；Synchrony扩展本地人数至4人，并加入最多8人的在线模式。每一步都要跟上音乐节拍。
23,642 篇评测中 95% 为好评当前玩家: 0US$2.99
Dome Keeper
Defend against waves of alien monsters in this unique roguelike action miner. Dig for resources, collect useful gadgets, and upgrade equipment to increase odds of survival – just hurry back before your dome is destroyed!
19,293 篇评测中 92% 为好评当前玩家: 0US$17.99
The Two of Us
The Two of Us is a 2D Co-op Platformer that has a strong emphasis on working together. You will be greeted with various puzzle levels where you must work in conjunction with your friend to navigate the level.
5,482 篇评测中 85% 为好评当前玩家: 0免费
SUPER CHICKEN JUMPER
A spy-chicken tries to save the world from doom in this runner/shooter game that has a little bit of everything with a touch of chicken and anime girls on top. Run for your life in 6 different worlds and shoot your way through tons of enemies until you become a legend.
4,886 篇评测中 96% 为好评当前玩家: 0US$2.99
Never Split the Party
Never Split the Party is an ultra social rogue-like! You're one of four adventurers joining together to explore a procedurally generated dungeon, amass powerful upgrades, and cooperate with your fellow adventures to conquer and crush the evil dungeon champions!
4,400 篇评测中 76% 为好评当前玩家: 0免费
Nickelodeon All-Star Brawl
Brawl it out with your Nickelodeon favorites in epic platform battles.
4,311 篇评测中 74% 为好评当前玩家: 0US$49.99
Frog Fractions: Game of the Decade Edition
The classic web game, reborn! Enjoy this remaster in glorious 4k resolution! Follow this frog on its arcade action adventure through swarm of bugs and beyond! Purchase the hat DLC for the ultimate experience, if you want to eat bugs while wearing a hat!
2,862 篇评测中 93% 为好评当前玩家: 0免费