オンラインでみんなと遊べるアドベンチャー（Action）ゲーム1,245本。Omega Crafter、The Outlast Trials、Arizona Sunshine® VR Remakeなど。
すべてのゲーム: 24
Adventure in a vast open-world survival craft game with your programmable sidekick Grammi! Program the Grammi to collect materials, build your town, craft weapons and armor to challenge strong enemies! Play alone or with friends online!
Red Barrels invites you to experience mind-numbing terror, this time with friends. Whether you go through the trials alone or in teams, if you survive long enough and complete the therapy, Murkoff will happily let you leave… but will you be the same?
Arizona Sunshine® Remake elevates the original, award-winning game, completely rebuilt with GORE-geous VR graphics and next-gen VR combat and weapons. Face the undead alone or with up to three fellow survivors in a post-apocalyptic southwestern America overrun by zombies.
RABBIT & STEEL is a co-op action roguelike that recreates the essence of high-level MMO raiding in a randomized, simplified, bunny-sized package. Choose your class, gather your rabbit-eared companions and battle your way to the Moonlit Pinnacle!
Echo Point Nova is an open-world FPS that offers unparalleled freedom and thrilling speed. Designed for both singleplayer and coop. From the creators of Severed Steel.
The Last Plague: Blight is an authentic survival experience rooted in realism and immersion. Endure the hazards of a brutal open world, uncover the origins of a mysterious disease, and become humanity’s final hope of ending the Blight.
A survival crafting adventure set in the Fourth Age of Middle-earth. Lead the Dwarves to reclaim Moria - mine, build, and battle through procedurally generated depths alone or with up to 8 players in co-op. It is time to return to Moria!
In Cat Quest III you play as a purrivateer in a freely explorable 2.5D open-world swarming with Pi-rats. You can sail the seas in your ship for treasures galore! But prepare for peril, as the Pirate King aims to hunt you down...
Co-op horror (1-4 players). You are sent to explore a mysterious building at night. Find the Moon and try to return alive.
Co-op horror for 1 to 6 players. Anyone can try to escape the Backrooms. You are going back in: locate the lost agents, solve the puzzles, film the entities, and hold out until extraction. Everything you carry can be lost. Your ranks, gear and storage are built to last.
Choose a planet, build your fortress, and prepare for war. Arm yourself with powerful weapons, deploy troops, construct turrets, and defend your stronghold against relentless attacks. Team up with a friend or fight alone in this action packed block builder, where only the strongest survive.
Throw yourself into an epic 3D beat’em up adventure with adorable knights, full of surprising worlds and situations. Grab your buddy and play in 2 player co-op to save the princess, but this is only the beginning!
Challenge yourself and master 4 Distinct worlds with 66 finely tuned level screens and climb to the top of the Steam Leaderboards in this retro pixel art speedrunning platformer!
Mesorift Survival is a classic survival game with PvP and PvE elements, set in a tropical open world with three islands. Gather resources, build a base, craft weapons, and survive.
Towerborne is an exciting side-scrolling Action RPG Brawler. As an immortal warrior journey across a crumbling world, uncover the mystery of the fallen City of Numbers, and push back the corruption threatening humanity’s survival.
Sent to find a missing billionaire on a remote island, you find yourself in a cannibal-infested hellscape. Craft, build, and struggle to survive, alone or with friends, in this terrifying new open-world survival horror simulator.
The fate of the Smurf Village rests in your dreams: dive into a fantastic journey to save it in this fully immersive and magical 3D platformer!
This is a creepy co-op horror game. In which you find yourself locked in a crazy Granny's house. But Granny is not the only danger that awaits you in the house, someone else creepy lives in the basement. You have five days to get out of the house!
Lost Rift is a first person survival adventure shooter that blends cooperative base building with multiplayer PvE or PvP extraction expeditions. Journey solo or in teams of up to 5 players across a vast archipelago, craft gear, build bases, defeat raiders, and become legendary.
Daisho: Survival of a Samurai is an Action RPG with casual survival game mechanics and big village-building possibilities. You'll experience a new type of survival game with quests, continuous open world progression, monthly events and your dumb ways to die not harming your fun level.
LIZARDS MUST DIE 2 is a cooperative slasher action game, a high–quality continuation of the SENSATIONAL first part. Insidious lizards attacked the lands of the Rus again. HYPERBOREA is on fire and only the GLORIOUS HEROES can kick the invaders from their homeland.
Enjoy action-packed flashy combat with incredibly satisfying combos and responsive controls! Numerous characters, each with completely unique playstyles and loads of unlockable moves & upgrades! This action roguelike sets the bar for fluid fast-paced action.
Become the ultimate shapeshifter in this hack n’ slash ARPG with action-based combat. Transform seamlessly and customize both your human and beast powers as you level up, find new gear and DNA-strands. Venture out solo or in co-op to uncover the secrets sealed inside a legendary city.
"There's something I can't tell you..." Explore new frontiers of co-op gaming in BOKURA: planet, a puzzle adventure game that you can only play with two players. Take on the role of a spaceship's exploration crew and try to escape from the red planet you crash-landed on.