オンラインでみんなと遊べるアドベンチャー（Co-op）ゲーム1,004本。hololive Dreams、Scott Pilgrim EX、KILL IT WITH FIRE! 2など。
すべてのゲーム: 24
The official hololive rhythm game and RPG -- hololive Dreams -- is now on Steam! Enjoy rhythmical gameplay, park development, and mini-games. Featuring 50+ members and 150+ songs, it's perfect for fans and newcomers alike. Play your way!
Join Scott Pilgrim and Ramona Flowers in a brand-new brawling adventure across space, time, and the streets of Toronto!
KILL IT WITH FIRE! 2 is the ultimate co-op spider-hunting experience! Either solo or as a team of Exterminators, unleash an arsenal of crazy weapons, wreak havoc, and complete dozens of challenges across seven dimensions under spider siege.
Welcome to Hunter Haven! Bounty Brawl is a fast-paced Action Roguelite for 1-4 players. Master your unique Lasso to zip through combat and hunt down criminals with friends. But remember: once the boss falls, the alliance ends. Who will claim the ultimate bounty?
Shrunk again, but the world is much larger. In this open-world, single-player or co-op survival adventure, craft weapons and armor, build your base, and traverse the playground on your buggy. But something else is out there—and it hasn’t forgotten you.
Ghost Janitors is a multiplayer psychological horror game for 1-4 players. Your job? Cleaning haunted houses while avoiding terrifying monsters. Ready to face the spine-tingling challenge with your team?
Chew on weapons, chomp on poop, and devour your friends' graves in this chaotic co-op action roguelike! Eat shiny items to ascend your traits and stack team synergies as your squad snowballs into an unstoppable force. Play solo or team up with up to 5 players!
Work together to survive the night shift in this challenging co-op PvE horror game. Serve your villagers as disgraced knights by evading danger to fulfill their commands in this cursed kingdom. Reclaim your lost honor to earn your place on the watch. How long can you survive?
Go wild with your BFFS in your ultimate cozy getaway! Yank up hilariously plump veggies, reel in giant flappy fish, bump into adorable little animals, and unlock a bunch of weird and wonderful toys! If you feel like it, doing absolutely nothing on the beach is exactly what you're supposed to do!
The world has been thrown into chaos, and it's up to you and your friends to battle the corrupted beasts of the Rotwood. Upgrade your gear, choose your preferred weapon, and hone your skills to defend your safe haven.
Jump Space (formerly Jump Ship) is a mission based co-op PvE for 1-4 players, where you are the crew of a spaceship. Transition seamlessly from crewing the ship to on-foot exploration and space walks. Explore, upgrade, and survive intense encounters in deep space together.
Pick a character and team up with three friends ‘cause it’s time to save the world. Experience intense FPS action as you obliterate hordes of terrifying monsters! You may not be on the best team of mercenaries, but you are… a Toxic Commando!
Dark Hours is a co-op survival horror game for 1-4 players. Your heist has been disrupted by a supernatural event, and your team of robbers is now trapped with an evil entity. Forget your plan, your mission is to survive. Explore and cooperate to find a way out.
Backrooms Lost Runners is a co-op survival horror with team play, voice-reactive AI, and immersive puzzles. This isn’t a “walking simulator”: explore liminal spaces, outsmart entities, and remember—even a whisper can give you away.
🐸Up to 8 player co-op extraction puzzle-platformer where you swing, jump, catapult your friends, and eat eat EAT until you grow into a humongous Megafrog. Squad up with your frog friends and storm the Sewers for the glory of the Swamp King!🐸
Lay of the Land is a sandbox adventure game set in a fantasy world where everything is physically simulated. Use the environment to your advantage and Explore, Fight, Loot and Build your way through mysterious lands.
In this online 2-player co-op puzzle adventure, you and a friend become Inkwellers and dive into Celiphia’s magical journal. Work together, communicate clearly, and solve puzzles hidden within its pages.
Super Alloy Crush is a fast-paced 2D roguelike brawler inspired by classics like Mega Man X. Play as Kelly and Muu (No.02) to defeat enemies and obtain the ultimate cosmic treasure: Planet AE-38. Alone or with a friend in local co-op, get ready for your biggest challenge yet!
The pack is back! The Jackbox Party Pack 11 transports your game night with 5 new games! Destroy wholesome jokes in Doominate, record your voice in Hear Say, create kookiness in Cookie Haus, sleuth through social clues in Suspectives, and collaborate with your crew in Legends of Trivia!
Embrace mind-blowing moments as you’re pulled deep into the many worlds of Split Fiction, a boundary-pushing co-op adventure.
Officially licensed by Nan Pai San Shu, this authentic tomb-raiding MMO brings the novel’s world to life. Venture into the Seven-Star Lu Palace, Nine-Headed Cypress, Bronze Gate and more—iconic locations recreated in stunning detail.
Dig, build rails, and survive underground as a Goblin miner for WHAAG MINING INC. Light your path or the darkness will drain your life. Explore fully destructible biomes, fight hostile creatures, and hunt the legendary Giant Crystal, solo or online co-op
Arm your vehicle with deadly weapons and roam endless wastelands in this fast-paced single-player / online co-op car combat game. Collect upgrades for your car to melt enemies and giant bosses in this bizarre world. Retro vibe. Retro cars. Retro gameplay!
Step into the epic world of Descent with the first fantasy co-op tactical RPG forged from the legendary dungeon crawling board game. Lead a company of fearless heroes across Terrinoth®, survive against epic boss battles in turn-based combat, and settle the fate of a world facing unending darkness.