オンラインでみんなと遊べるアドベンチャー（3D）ゲーム478本。Alchemist: Journey of the Soul、POPUCOM、Hello Kitty Island Adventureなど。
すべてのゲーム: 24
First-person adventure game, playable solo or co-op with up to 4 players. Use your magical abilities to solve puzzles or navigate through areas! Explore, use items, brew potions and unlock your full alchemical potential. Are you willing to do what it takes to claim a soul of your own?
Venture together with your friends on an unknown planet. Use color switching, match-3 shooting, and artifact powers to overcome challenges and keep advancing. What lies ahead of you is an adventure filled with wonder, hope, and much more to discover!
Embark on a cozy, open-world adventure with Hello Kitty and Friends. Befriend beloved characters as you explore and restore a mysterious island, solve ancient puzzles, cook delicious dishes, customize yourself and your cabins, and so much more.
Online co-op horror for 1–6 players. Board a cursed flying ship, raid haunted graveyards for loot, and survive monsters that hear every sound. Beware of UFO abductions, grab boosters from vending machines, gamble in the onboard casino, and embrace pure chaos with friends in voice chat.
Sort up to ∞ toys across massive multi-floor toy stores, solo or with up to ∞ players, unlock powerful upgrades, and turn complete chaos into perfect organization in this cozy 3D cleanup game.
Scarlet Idol is a 3D Chinese folk horror puzzle game featuring a co-op two-player mode. The game integrates various folk cultural elements, including the funeral rituals of the Wu-Yue region, Ghost operas, Mulian operas, the duomin (outcast communities)
Captain Wayne is an intense, fast-action Retro Shooter about a sailor with a SHOTGUN for an ARM!! With a cartoony, hand-drawn art style and gory gameplay, you'll have to mow down enemies through 8 action-packed locales to take back what's yours. ARE YOU READY TO RAISE ANCHOR?
System Shock® 2: 25th Anniversary Remaster is a genre defining experience that established innovative game-play mechanics that are a staple of the FPS and RPG genre today. Survive the wretched corridors of the Von Braun. Your training has prepared you for this.
Dominion Of The Forgotten is a build-crafting Roguelike. As an explorer of the United Expedition, venture into a mist-shrouded ancient continent in search of lost Dominions. Explore, battle, collect Relics, and extract safely during time-limited expeditions.
Get ready for the ultimate kart racing experience on Steam & Steam Deck! Inspired by Crash Team Racing, built with its own identity, advanced gameplay systems, tons of new features and massive modding support for endless replayability!
An atmospheric climbing experience for solo players or up to 4 in co-op. A short, minimalist platformer about the cold, isolation, and quiet persistence.
The Other Side is a co-op psychological thriller for up to 6 players. Your goal is to investigate haunted locations using modern ghost hunting equipment, gather evidence, identify entities, and cleanse them from the location. Customize your character, headquarters, and more.
Clock in for the worst cleaning shift of your life: Unclog nasty toilets and scrub ectoplasm in this 1-4 player online co-op survival horror game. Get the job done and don't get caught by the entities hunting you!
A chaotic co-op survival game for 1–8 players where you travel the trail, manage supplies, survive disasters, and argue with friends. Work together to keep the wagon moving, adapt to random events, and try to make it to the end in one piece.
MycoRelic is a cooperative third person action-RPG set on islands inhabited by tribal mushroom robots. Loot derelict foundries to upgrade your robotic body. Explore ancient temples to infuse your fungus with forgotten elemental powers.
Join a fun adventure by rolling a log together! In this 2 player co-op platformer, become lumberjacks with your friend and keep your balance while moving forward on a log. Overcome obstacles by moving back and forth, reach the goal, and never give up. Knowing how to get back up matters.
Myth of Empires: Throne is a free seasonal multiplayer warfare sandbox. Explore vast lands inspired by multiple civilizations, tame creatures, forge powerful weapons, and build your guild. Lead cross-server expeditions, conquer territories, and compete with players worldwide for the ultimate throne!
DuneCrawl is an open world action-adventure game, where you take to the sandy seas atop a gigantic crustacean festooned with black powder cannons. Play as a solo Crab Keeper, or with a crew of up to three other friends in local and online coop.
Keep Digging is a digging survival craft game for up to 8 players. Explore a procedurally generated 5000m underground world, bring back ores, blueprints, and fossils, then use the smelter, forge, and enchantments to build your gear! Team up in co-op or compete for items in PvP.
Backroom Company (aka Axiom Corporation) is a mysterious group exploring “Noclip.” No one knows who created it. Follow the missing explorers' traces and find strange items deep in the Backrooms.
Meet Henry, merely half a head, yet with the peculiar ability to become any object within their reach! Discover every object’s unique abilities and cleverly combine them to take Henry through their not-so-ordinary everyday life.
Write on! Defend the books in Vellum, a co-op, literary roguelike! Harness class-defining colors, master an inspired spellbook, and influence the growth of your enemy! As a group or solo, you'll craft plot-twisting builds to rewrite the rules in Ink!
Explore, fight, loot and fish! Solo or in co-op mode in this Old School First Person Dungeon Crawler. Earn your knighthood as you oppose the evil witch Lunamoth and stop her curse which prevents everyone from growing wings.
Oddsparks is a blend of automation and real-time strategy for both the die-hard fans of the automation genre and the automation-curious. Explore a strange fantasy world, uncover the mysteries of the past, automate your workshops, and go on adventures with your odd & adorable Sparks!