オンラインでみんなと遊べるアドベンチャー（Action）ゲーム1,243本。Vibrant Venture、Haunt Chaser、School 666など。
すべてのゲーム: 24
Vibrant Venture is a singleplayer 2D adventure platformer game featuring a quirky cast of characters! The game features four playable characters with multiple unique abilities that can be combined for extremely versatile, fluid and fun movement!
Haunt Chaser is a 4 Player Co-Op horror game, can be played as a Single-Player too. Chasers need to use all the hunting equipment in order to banish the evil and save the poor souls from torment while uncovering deeply disturbing secrets. Also, there is a 4v1 party game mode.
School 666 is a 1-4 Player Co-op Survival Horror. You must escape this endless nightmare. Try to identify the correct path and survive the anomalies in this endless school. Some extremely powerful anomalies will catch you to their dimensions. Explore the reason why you are here... and don't die.
Enter a world beyond imagination with The Last Oricru - Final Cut. An action RPG, The Last Oricru - Final Cut unravels in a fantasy world blending sci-fi and medieval elements to deliver an experience like no other. Seize your destiny and take your place in this adventure for single or co-op play.
RPG World – THE Action RPG Maker! Unleash your imagination with RPG World and create, share and play amazing 3D games with our growing community. Claim glory and treasure as you conquer magical worlds, alone or as a team. No coding required!
Uncover the mysteries behind the Templar Order! Steam Exclusive Edition includes bonus mission “The Arena”.
Sumoman is an adventure puzzle platformer with advanced physics, destructible objects and the ability to reverse time. Solve various physical puzzles, trying to keep the unstable Sumoman on his feet in challenging environments.
3dSen is a unique emulator that transforms NES games into 3D voxel dioramas. Relive your favorite retro titles in a fresh way!
Ever wanted to live on an airship? Now you have to. Echoes of Elysium is a co-op survival RPG where your airship is home, workshop, and war machine. Build a custom flying fortress, crew up with up to 6 players, and battle soul-powered clockwork beasts across a gorgeous, fractured sky.
Just a game about a friendly fungus. There's nothing wrong, is there?
"Seal: WHAT the FUN" is an omniverse multiplayer party royale game that allows up to 10 players to enjoy a range of compact plays in 10 minutes. Players can customize their characters with variety of effects and features, making the game more interactive and unpredictable.
Play as a paranormal investigator in our hybrid between first person survival and psychological horror story game. Investigate a haunted forest with up to 5 players CO-OP, try to lift the curse, experience a tragic story and take decisions together. Will you survive or will you lose your soul?
Rogue Masters is a 6 player co-op horde survival game with souls-like combat and extensive character customization where you fight Entropy in long-lost civilizations.
A pioneering tactical shooter and landmark comic book adaptation, Rogue Trooper is back, remastered and revitalised in true high definition. Experience acclaimed third-person action in this BAFTA-nominated tale of betrayal and revenge at the far reaches of the galaxy!
Discover the lost treasures of Ukampa in South America as Aban Hawkins searches for his estranged father, world-famous archeaologist, Jim Hawkins. Aban Hawkins races into the frozen tundra of the antarctic, undiscovered temple ruins and the vast caverns of South America in search of his father and the legendary treasure rumored to lie...
Black Future ’88 is a Synth-Punk roguelike 2D action Shooter. Vertically climb an always evolving procedural tower to reach the top and kill its insane owner…before your heart explodes. Shoot, slash, dash and upgrade yourself to survive the endless waves of Homicidal AI, Traps & Colossal Wardens.
I Am The Hero is a pixel art, beat 'em up, fighting game that tells the story of a "Hero" with a glorious but mysterious past. Is he the hero he thinks he is or is there a another side to this legendary figure?
Become a member of the highly anticipated sequel of the co-op sci-fi show. Gather a team of four friends. The more partners the more chances to survive. Find your way out in a deadly new room complex filled with even more sophisticated traps.
OmniBus is next-to-last gen physics game about the most powerful bus in the universe that can’t stop or even slow down for reasons incomprehensible to the simple human mind.
You and your crew are tasked with cleaning up after the last exploration team's ill-fated journey into the Backrooms. Dodge deadly incursions, scrub every surface, and leave no trace.
Saddle up for a bike-riding, frisbee-throwing, goose-petting, friendship-building, treasure-hunting, story-driven adventure for 1 or 2 players!
Sparklite is an action-adventure set in a whimsical & ever-changing land. Battle foes using an arsenal of gadgets, guns, & gear. Gear up for adventure in the dangerous corners of the procedurally generated world, take down titans of the mining industry, & harness the power of Sparklite!
バロン・ダッシュフォースと相棒のスキャンプウィックになって、舞台風の2人用ベルトスクロールアクションを楽しもう。ローカルでもオンラインでも、コンボをつないで観客を沸かせよう。
"Lost Lullabies - The Orphanage Chronicles" is a Co-Op horror game set in 1980, inspired by the real stories of an orphanage ruined by a fire in 1960 Lowell. Playable with 1-4 players, the goal is to identify and expel malevolent spirits alone or with your team.