178 Action · Adventure · Difficult games your group can play together online, including Valheim, Afterbeat (Project Arrhythmia), and Fireboy & Watergirl 1: The Forest Temple.
All games: 24
Explore a Norse-inspired world with up to nine friends in online co-op, then build a home, craft for the next biome, and take on its guardian together.
A musical bullet-hell where all things beautiful are deadly. Dodge well little nanobot, you don't have much time.
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!
Plunge into high-stakes punishment platforming in JUMP KING QUEST! Explore alone or fall together in dynamic online climbing action as you fight your way upwards on an unhinged quest to The Smoking Hot Babe at The Top. In this world, every ledge is a battlefield…
A chaotic 2-player co-op road trip. Share the controls of a pedal car as tourists: sit on the left to turn left, sit on the right to turn right! Coordination is key!
In this survival horror, you're surrounded by sea and a towering gate ahead. Walk into the maze, hunt, gather, and run to survive, alone or with friends. Remember: You're not the only one starving...
Brave a savage, unforgiving procedurally generated world where devastating storms and creatures of the shadows relentlessly hunt you down. Alone or in co-op, survive, build, and explore to turn this cursed hellscape into your sanctuary.
Mad King Redemption is a unique blend of a traditional beat'em'up game with strong roguelite progression, mixed in a pixelated graphic style in a 2.5D world. Relieve the king from his madness while beating up corrupted enemies, in a fresh way at every run!
An open world survival craft game for 1 to 4 players, set on a frozen exomoon where your base is a train carrying the last of humanity, and standing still is slowly killing it. Fight, scavenge, and craft your way to a train 1,000 wagons long. But every death costs you a passenger.
Gatekeeper is a fast-paced rogue-like. Go on a quest to chase down Chaos and reclaim the stolen Heart of Time, fighting your way through relentless enemy forces. Play solo or in 4-player co-op and become the next Gatekeeper!
A co-op climbing game about two stuck-together toys on an escape mission from their evil owner.
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.
Biped 2 is a coop action adventure game with a strong focus on moment-to-moment collaboration alone or between 2 or 4 players.
🦆 Marbles and 🐢 Checkers need your help finding their way home after being swept away in a storm. In this 90s buddy-platformer there's a ton of stuff to do and even more to collect!
UFO 50 is a collection of 50 single and multiplayer games that span a variety of genres, from platformers and shoot 'em ups to puzzle games, roguelites, and RPGs. Our goal is to combine a familiar 8-bit aesthetic with new ideas and modern game design.
Fallen heroes of old folk tales and legends: you are on the verge of a crucial battle against the Nightmare invading and corrupting your world. A roguelike action game from the creators of Curse of the Dead Gods©, playable solo or in online co-op.
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!
Abathor is a challenging 2D action platformer for solo play or up to 4 players. Embark on an epic 16-bit quest inspired by Golden Axe, Rastan, and Castlevania IV. Traverse Atlantis, battle demons, and defeat vicious bosses to save your progress! Enjoy an amazing OST from classic-era musicians!
Amnesia: The Bunker is a first-person horror game set in a WW1 bunker. A relentless, AI-driven monster stalks you. Survival depends on finding tools, crafting items, and keeping the lights on.
Pizza Tower is a fast paced 2D platformer, with an emphasis on movement, exploration and score attack. Featuring highly stylized pixel art inspired by the cartoons from the '90s, and a highly energetic soundtrack.
In a labyrinth surrounded by vicious monsters, Explorers must rely on their Lasso to survive! Capture and tame ANY monster to leap, glide, surf, tunnel and websling through a treacherous, patchwork maze. This roguelike/metroidvania seems cute, but it’s a deceptively difficult bullet-hell challenge!
Play Abathor Atlantis Landing and relive the glory of arcades in this action platformer for up to 4 players.
A fiercely formidable sci-fi survival game, set on a hostile alien world that wants you dead! Alone, or with a crew, do you have what it takes to survive?