可以和朋友在线一起玩的动作（2D）游戏共 841 款，包括Darius Cozmic Collection Arcade、CryoFall和Centipede: Recharged。
全部游戏: 24
Darius is one of the pioneers of the side-scrolling shoot 'em genre, and the Steam version replicates the multi-screen arcade experience with 4 different titles and 7 versions filled with aquatic-lifeform-themed bosses and epic, Zuntata-composed soundscapes!
CryoFall is a sci-fi colony simulation survival game set on a forgotten planet in a distant future. Master technology, agriculture, trading, industry, cybernetics, exploration, and more!
Blast bugs and chase high scores in this glorious revival of an old-school classic, all while jamming to a heart-pounding original score by Megan McDuffee. Play solo or tag in a friend for local co-op across 30 unique challenges or the endless arcade mode.
Spelunky 2 builds upon the unique, randomized challenges that made the original a roguelike classic, offering a huge adventure designed to satisfy players old and new. Meet the next generation of explorers as they find themselves on the Moon, searching for treasure and missing family.
NERTS! Online is a fast-paced competitive solitaire game for you and up to five of your friends, played the same way we play it at the Zachtronics office!
Want to play the hardest cooperative 2D platformer ever? Want to finish no map ever? Want to be in pain for hours and cry, getting nothing in return? Come play DDNet with a large community of other sufferers!
五幕奇幻剧情支持最多四人本地合作。每位额外玩家都需要手柄，使用 Steam Remote Play Together 远程加入的玩家也一样。
Hit the road in this massive sequel to the million-selling Cook, Serve, Delicious series. Manage your food truck, cook delicious dishes and serve customers as you take the road trip of a lifetime across war-torn America.
Enjoy some of the best loved Flash games of the past in this awesome time capsule of over 60 Ninja Kiwi classics. Experience a piece of history and play the original Flash games that spawned the worldwide phenomenon of Bloons TD.
Rogue Heroes is a topdown, roguelite adventure game inspired by the Zelda franchise. Play solo or team up with your friends to combat procedurally generated dungeons and take down the evil Titans that threaten to overwhelm the land of Tasos!
Demolish your friends with hundreds of upgradable weapons shot from your customizable tank in this action-packed online multiplayer tanks game. Earn XP to level up and unlock new tanks, weapons, and gear. Fight against or alongside your friends for strategic team or free-for-all matches.
Amongst the best beat’em up series ever created, jammin’ ‘90s beats and over the top street fighting, the iconic series Streets of Rage comes back with a masterful tribute to and revitalization of the classic action fans adore.
Become a King (or Queen) at making levels! Join a community designed around level creation and online play. The level editor is simple to use and lets you create anything, even living creatures!
DJMAX RESPECT V is the latest installment from the creators of the critically acclaimed rhythm game franchise ‘DJMAX.’ Experience tracks from popular artists such as Marshmello, Porter Robinson, and Yukika, exclusive Full HD Music Videos, online multiplayer, new game modes, and more!
A living world full of surprises, secrets and danger awaits in The Survivalists, an adventure-filled survival sandbox set in The Escapists universe. Explore, build, craft and even train monkeys with up to three friends in a desperate bid to survive. Have you got what it takes to be a Survivalist?
Soldat is a unique 2D (side-view) multiplayer action game. Soldiers fight against each other in 2D battle arenas using a deadly arsenal of military weapons, across 7 default game modes.
A roguelite action platformer in a vibrant glitch-ridden world. Amass a huge arsenal from over 150 weapon options and face hordes of enemies and tough boss fights. Jump into multiplayer (up to 4 player co-op online or local) to collect, unlock, and upgrade for endless replayability.
Shoot your way through a hostile canyon full of hidden treasures, weapons, obstacles and all kinds of bloodthirsty scum! Colt Canyon is a stylish pixel art shooter with roguelike elements and real-time combat where you save your kidnapped partner from the ruthless bandits.
Compete in hardcore PvP strategy in persistent game worlds where real time resource and troop management in coordination with other players is required to expand your kingdom from one village to hundreds as you conquer the map in this winner takes all medieval contest.
When you cut ties to the past, new bonds form. Build relationships with other Yarnys in local co-op or as a single player, fostering friendship and support as you journey together.
FOOTSIES is a simple 2D ground-based fighting game that both new and experienced players can pick up and enjoy right away. Featuring online battle mode with rollback netcode, implemented using GGPO open-source codes.
Become a real medieval feudal lord: start with a small village and build it up into an enormous impenetrable castle. You will have to repel enemy raids: hide behind thick walls, lure your enemies into strategically placed traps, and even lead your loyal peasants into battle.
Build a powerful deck, cast spells on the fly, battle evolving enemies, find game-changing artifacts, make friends or make enemies, just make it to Eden.
Koji Igarashi and Inti Creates are back with more retro sword-and-whip action! Curse of the Moon 2 brings classic 2D action and a dark, 8-bit aesthetic together with modern playability.