可以和朋友在线一起玩的动作（Singleplayer）游戏共 1,887 款，包括EmergeNYC、The Binding of Isaac: Rebirth和Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad。
全部游戏: 24
EmergeNYC is a simulation of New York City's Emergency Services. Drive over 30 different Emergency Vehicles with up to 32 of your friends through busy City Streets with blazing sirens and air horns. Take the role of a firefighter, medic, or police officer and ride with your friends to emergencies
The Binding of Isaac: Rebirth is a randomly generated action RPG shooter with heavy Rogue-like elements. Following Isaac on his journey players will find bizarre treasures that change Isaac’s form giving him super human abilities and enabling him to fight off droves of mysterious creatures, discover secrets and fight his way to safety.
"Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad?" is a fast paced shower-simulation where you shower with your 8-bit dad.It's good, clean fun!
Enjoy the original story of ONE PIECE from Fuschia Village to the mysterious kingdom of Dressrosa. Will your resolution be strong enough to defeat the most dangerous pirates, including Doflamingo and many more?
'BlazBlue: Chronophantasma Extend' is the sixth installment of the BlazBlue series, a combination of 2D fighting action game and visual novel.
Merciless trench warfare immerses you and your squad in intense battles of attack and defense. Verdun is the first multiplayer FPS set in an authentic World War One setting offering a rarely seen battlefield experience.
Zombasite is a zombie apocalypse action RPG set in a dynamic, evolving, fantasy world for Windows, Mac, and Linux.
“METAL SLUG ”, the very first title in SNK’s legendary 2D run & gun action shooting game series where all began, returns to the missions on the Steam gaming platform!
Victor Vran is the isometric action-RPG where your skill is just as essential as your character build and gear. Experience intense combat action: dodge, jump and unleash powerful skills to finish off your enemies!
RUNNING WITH RIFLES is a top-down tactical shooter with open world RPG elements. In RWR, you join the ranks of an army as a common soldier, just like the thousands around you.
Hunt humans, slay dinosaurs. Choose your side in chaotic prehistoric PvP... newly updated with more dinosaurs, more weaponry, new game mechanics, expanded lore and more! Think fast, or you're extinct.
Work together or die alone! Fight to restore peace to London or tear it down for profit in the most challenging team based shooter around.
Bullet Heaven 2 is a bullet-hell shoot-em-up inspired by games like Touhou and Jamestown. It's all about shooting every cute thing that moves, while dodging hundreds of shiny bullets per second!
Five-star tower defense with unrivaled depth and replayability. The Bloons are back in full HD glory and this time they mean business! Build awesome towers, choose your favorite upgrades, hire new Special Agents, and pop every last invading Bloon in the most popular tower defense series in history.
With BADLAND: Game of the Year Edition, experience the multi-award-winning action adventure like never before - redesigned for Steam.
The world’s most irreverent co-op action adventure returns! In the next chapter of Magicka, players ascend from the ruins of Aldrheim to experience a Midgård almost wiped free of Wizards after the Wizard Wars, with the few that do remain having either gone mad or extremely hostile toward all others
DARIUSBURST Chronicle Saviours is the latest installment in Taito's DARIUS series of arcade-style shooting games. Blast hordes of alien sea-monsters, and blaze your own trail through branching environments.
RE Revelations 2 continues the series acclaimed essential survival horror experience, while uncovering startling truths.
Legendary shoot-'em-up makes its way on the PCs! Abundant explosions, truly epic boss fights and beautifully crafted 3D environments are here to keep you entertained. Sky Force Anniversary offers single player experience and local cooperative mode for 2 players.
The Caped Crusader joins forces with the super heroes of the DC Comics universe and blasts off to outer space to stop the evil Brainiac from destroying Earth.
The ultimate melee action [GUILTY GEAR 2 -OVERTURE-] is now on Steam!! Pushing [Gameplay] and [Entertainment] to the extremes, with a splash of [Competitiveness] -- That's GUILTY GEAR 2 for you.
The latest iteration of the 10th anniversary "SAMURAI WARRIORS" series is here at last! Naomasa Ii appears as a playable character for the first time, and the various personalities of the age are explored in more depth in "Story Mode", which is now focused on individual characters.
Play as a shark or a diver in a dark aquatic world and overcome your enemies by employing cunning, teamwork, and stealth. Depth blends tension and visceral action as you team up against AI or be matched with other players in heart pounding combat.
Satellite Reign is a real-time, class-based strategy game, set in an open-world cyberpunk city. You command a group of 4 agents through rain-soaked, neon-lit streets, where the law is the will of mega-corporations.