可以和朋友在线一起玩的独立（Side Scroller）游戏共 208 款，包括Super Hydorah、Shift Happens和GIBZ。
全部游戏: 24
Super Hydorah is a nonlinear horizontal shoot’ em up designed to offer a challenging experience, sublimating the richness of traditional shmup classics. Face the menace of the Meroptians aboard the Delta Lance, alone or with your friends in this game with direct action and nostalgic art.
Shift Happens is a cooperative platformer for two. You and a friend shift your mass, throw each other and puzzle your way through four stages of stylized imaginary worlds. Including the occasional backstabbing and taunting. Play with a friend on a couch, online or even special singleplayer levels.
Shoot, slice and surf on zombies by yourself or with friends. Fight overwhelming amounts of zombies and other monsters summoned by an evil wizard (ooOooOOOo spooky) in an early 1900s London.
Lost Castle is an action RPG beat'em up with roguelike elements and randomized dungeons for up to four players online and local!
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!
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.
Broforce is an action-packed side-scrolling run ‘n’ gun ode to freedom, putting you in control of an under-funded, overpowered paramilitary organization dealing exclusively in excessive force.
Dodge bullets, missiles and lasers in battle as you wrap your head around that bunny girl costume! Combo away with your mighty Piko Hammer or spam various spells from afar with your fiery fairy friend. Explore and explode through Rabi-Rabi Island as you collect power-ups and uncover secrets...
Deathsmiles is CAVE's bullet-hell shoot-'em-up where you take the role of one of five Angels to defend the magical land of Gilverado from an invasion by Hell itself! Eradicate this devilish assault!
Forget everything you’ve learned about combat. Cobalt’s slo-mo mechanic lets you perform moves that other games can’t comprehend. Discover the secrets of a distant colony in a cosmic campaign, take on challenges and rule the leaderboards, or face off against others in local and online multiplayer.
Teeworlds is a free online multiplayer game, available for all major operating systems. Battle with up to 16 players in a variety of game modes, including Team Deathmatch and Capture The Flag. You can even design your own maps!
Rampage Knights is a cooperative beat 'em up game mixed up with randomized dungeon crawling and exploration, which you can play alone or with a friend online.
Guns, Gore & Cannoli - An over-the-top, comical and fast-paced action game with hand-drawn graphics set in the Roaring Twenties. An all-you-can-shoot fest where you embody Vinnie, a mobster with a mission in a city controlled by gangsters and plagued by zombies. Featuring up to 4-man local co-op.
With BADLAND: Game of the Year Edition, experience the multi-award-winning action adventure like never before - redesigned for Steam.
Steredenn is a frenetic and chaotic space shooter, carved in big beautiful pixels, with insane boss battles. Embark in your ship and engage the fight against dreadful space pirates in a never-ending combat for your survival.
Battle other 2D stickfigures online while jumping around like a lunatic and getting blown up into smithereens. With over 70 weapons, Boring Man is the most chaotic and hilarious 2D online shooter on the internet.
Shovel Knight: Treasure Trove is the complete Shovel Knight collection, containing all 5 games in the epic saga! Dig, blast, slash, and bash your way through a fantastical, 8-bit inspired world of pixel-perfect platforming, memorable characters, and world-class action-adventure gameplay.
The definitive version of the smash-hit Metroidvania-style action-platformer, Guacamelee! STCE adds new levels, powers, challenges, and refinements to the sprawling, ridiculous, Mexican-inspired adventure of the original Guacamelee! Gold Edition.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
Experience the epic journey of Nuna and Fox as they search for the source of an eternal blizzard that threatens the survival of everything they have ever known.
Embark on a journey to give his majesty the ride of his afterlife. Guide a chariot containing the King's remains through underground caves using physics-based mechanics such as pushing, pulling, riding and swinging.
最多四名玩家可以在本地合作，探索随机生成、可破坏的洞窟。陷阱、有限的工具和共享镜头，让团队配合和活下来同样重要。
Time moves forward only when you do in the dungeons of WazHack. Think your way out of problems instead of just spamming 'attack' and 'drink healing potion'.