オンラインでみんなと遊べるアドベンチャー（Action）ゲーム1,244本。The Lantern of the Laughless Saint、Windrose、Space Defender: Frontier Squadronなど。
すべてのゲーム: 24
A solo or co-op RPG inspired by Morrowind. Drawn by a shared dream, you awaken on an isolated island crowned by a silent Tower. Unravel the mystery of the Laughless Saint, confront the weight of human desire, and decide what deserves to be saved when the light beneath the world finally stirs.
Embark on a PvE survival adventure in the Age of Piracy. Fight on land and sea, solo or with friends. Build, craft and explore vast open world filled with dark secrets. Master soulslite combat and take on challenging bosses, command your ship and plunder unspoken treasures!
A top-down space shooter with deep RPG progression. Fly a voiced story in four acts, from a war across three galaxies to the gravity wells of Kepler, lead your wingmen, hunt pirate captains and hold a collapsing front. Solo, or with a friend on the second controller.
From Naked Snake to Big Boss. Ten years after Operation Snake Eater. While commanding a private military force in Colombia, guests from Costa Rica visit Snake. Accepting their request, Snake leads his men into confronting the conspiracy behind the East-West Cold War.
THE STANDALONE SEQUEL OF THE BRAZILIAN BOOMER SHOOTER GAME MADE USING THE ID TECH 2 ENGINE! SHOOT, JUMP, DOUBLE JUMP AND DASH! EMBARK ON A JOURNEY THROUGHOUT THE STATE OF RIO DE JANEIRO, SÃO PAULO, SALVADOR, HELL AND EVEN HEAVEN! SAVE BRAZIL!
A co-op game for 1-6+ players where you fall, dig, and explode your way down a dangerous cave system to find your lost dog. Catch your friends and watch your step on this journey full of traps, hazards, and the most deadly force of all: gravity. Will you jump into the unknown to rescue your dog?
A classic voxel sandbox combined with in-depth progression through exploration, dungeon crawling and boss battles. Spend every minute discovering new weapons, abilities, resources, enemies, structures, mechanics and tools. With a strong focus on discovery, variety and creativity, the world is yours.
An online Co-op game about breaking into houses and causing havoc as a tiny gnome. Avoid danger, repurpose stolen household items, and complete tasks to meet the High-Gnome’s demands. Craft equipment and upgrade your home to make your missions easier and more successful.
"Lost Castle 2" is a 2D Beat'em up Rogue-Lite game. Explore abundant treasures and items to enhance yourself, master various weapons to showcase your skills, and challenge powerful monsters to demonstrate your strength. A new adventure is calling for treasure hunters!
An online 2-8 player co-op horror experience where you and your friends are trapped in an abandoned toy factory. A mysterious voice commands you for an unknown purpose as you explore shifting halls, scavenge for tools, and fight for survival against creatures that lurk in the dark.
Permafrost is a story-driven survival sandbox set in a frozen, post-apocalyptic world. Discover a vast lore-rich open world, alone or in co-op with up to 4 players. Explore, scavenge, craft, and build a network of shelters to outlast the cold.
Explore, Build, Farm, Craft and Fight in this survival sandbox adventure for 1-8 players. Delve deep to uncover the secret of the invading 'Faults' and restore stability to the land.
Make a pilgrimage skybound to the Isle of Reveries, where any wish can be granted. Conquer puzzlebox dungeons and explore a vast Metroidvania-style world in this retro adventure.
PASS THE FEAR is a roguelite bullet-hell shooter. A catastrophic Witch’s Disaster strikes without warning, and chaotic magic forms the ancient Wall of Storms. Its corruption spreads relentlessly across the island. As a demon hunter trapped within, you must find a way to escape before dawn breaks.
Help Fireboy and Watergirl explore the Forest Temple, the first game in the series. Play solo or team up with a friend locally or via Steam's Remote Play Together!
A retro spy FPS inspired by the N64 era. Go guns-blazing in action-packed shootouts, steal secret plans, and accomplish objectives while foiling evildoers’ schemes as a secret agent in a solo or co-op campaign. Fight friends in both local split-screen multiplayer and online with up to 8 opponents.
Step back into Andy’s room with Woody, Buzz Lightyear, and more classic characters in Toy Story: Retro Roundup! This five-game collection features four Toy Story titles and A Bug’s Life. All the games have been upgraded with quality-of-life improvements and behind-the-scenes content.
Moss: The Forgotten Relic is an emotional and atmospheric adventure set in the pages of a living storybook, brimming with myth and ancient magic. Guide a tiny but determined hero on a heartfelt journey of challenge, courage, and connection.
Astro Colony throws you into an endless Universe of exploration, automation and survival! Build interconnected colonies, alone or with friends, and turn planets into thriving industrial hubs! Design conveyor systems and take care of your Astronauts as you expand your intergalactic empire!
最大4人のフレンドとオープンワールドを探索し、ボス戦や一部のグループチャレンジに挑めます。メインストーリーはソロ向けなので、共有できる冒険には明確な範囲があります。
Rip through hostile alien worlds, harvest mutant body parts mid-combat, and adapt faster than your enemies. Every alien you harvest gives you new body parts with unique powers, like triple-jump legs, turret-dropping torsos, grenade-launching turkey heads. Steal, swap, survive.
The Greatest Penguin Heist of All Time is a sandboxy physics game for 1-8 players, with everything from sneaky heists to hilarious stupidity to baking pizzas. With continuous updates, plenty of maps, and hundreds of items, clothes and quests, it has something for everyone.
An online co-op horror experience for up to 4 players. Use your elastic arms to grab valuable loot for your captain. But be careful, danger lurks around every corner trying to take your booty!
Wobbly Life is a vibrant open-world physics sandbox. Play with your friends online or in local co-op, with exciting jobs, mini games and wacky story missions. Earn cash to spend in the world on clothes, vehicles and houses. There is a whole Wobbly World out there to explore!