オンラインでみんなと遊べるアクション（Adventure）ゲーム1,317本。Victor Vran ARPG、Cobalt、Amazing Frog?など。
すべてのゲーム: 24
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!
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.
Amazing Frog? is an openworld, sandbox, physics game. Grand Frog Auto in Swindon, with farting ragdoll frogs.
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
RE Revelations 2 continues the series acclaimed essential survival horror experience, while uncovering startling truths.
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.
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.
Relic Hunters Zero: Remix is a remaster of the FREE 1 million player hit game about blasting evil space ducks and turtles with tiny cute guns. It’s fast, it’s tactical, and feels deliciously smooth to play. Unlock new weapons, characters and relics to defeat the Ducan Commander!
Rising World is a voxel based open-world sandbox game, featuring a procedurally generated world, playable in single and multi-player.
The world’s greatest fighting game evolves to a whole new level with Ultra Street Fighter IV.
LEGO® Pirates of the Caribbean: The Video Game is an action adventure game that brings the Pirates of the Caribbean world and all its colorful characters to life in LEGO Brick form. Players experience all the memorable scenes from all four films in the humorous and quirky LEGO Video Games style.
Dragon Saga is a f2p arcade style side scrolling 3D Fantasy MMORPG set in a world of Dragons and magic. Choose one of four classes (Warrior, Mage, Thief, and Archer) and explore a rich world filled with unique monsters. Power up to unlock devastating abilities, hidden combos and hilarious effects.
Tasty Blue is an underwater side-scrolling eat 'em up game. You start as a small goldfish with an insatiable appetite. After being overfed by your owner, you'll escape into the ocean and eat everything that you encounter. The more you eat, the bigger you get!
Men of War: Assault Squad 2 expands the real-time tactics series with new skirmish missions, massive multiplayer battles, enhanced visuals, improved AI, and full Direct Control. Command five factions across 65 maps, 250 vehicles, and 200 soldiers in one of the most detailed WWII RTS experiences.
ストーリーは2人、Arenaは最大4人でオンラインまたはローカルプレイに対応。
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.
The classic Gauntlet 4-player co-op action gameplay returns in a completely new experience! Battle the endless hordes of foes as you and your friends fight for treasure and glory via both local and online co-op multiplayer. Invade the Darkness!
“METAL SLUG X”, one of the most highly praised titles in the series among Metal Slug fans for its refined balance and game volume, heads out to the Steam gaming platform!
"I Am You From The Future! No Time To Explain, Follow m-OH CHRIST!" Chase your future self through time and alternate realities while fighting giant monsters, collecting hats, and eating cake! No Time To Explain Remastered is the remake of tinyBuild's debut game. Now with multiplayer!
WAKFUはオンラインのファンタジー世界を、マス目上で戦う協力RPGにします。ダンジョンのチームは最大6キャラクターですが、3人編成のものもあります。
Multiplayer based, first person enabled, action packed and skill demanding shooter set in the Wild West times. A unique combination of non stop action and slow but powerful weaponry.