121 Adventure · Difficult · Singleplayer games your group can play together online, including Valheim, Afterbeat (Project Arrhythmia), and Witchspire.
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.
An open-world witch survival adventure for 1-6 players. Master magic on your journey through the world, gather resources to build your base, battle creatures and bond with familiars as you face a spreading corruption of magic.
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 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.
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!
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.
🦆 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!
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.
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.
Choose one of four heroes and explore the Garden, an astral prison guarded by 12 powerful mystical bosses: the Zodiacs. Challenge them with dozens of unique spells and faithful friends by your side to unfold the story of this platform roguelite with lightning fast combat.
Hellcard is a unique cooperative deck builder rogue-like game. Descend into the paper dungeons on your own, recruit computer-controlled companions or join other players' lobbies in fast-paced tactical card battles against the armies of darkness and the Archdemon himself!
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!
Climber Animals is a challenging and dynamic parkour game for 1-8 players. In this game,overcome obstacles and climb to the top with your friends. If you fall, your progress is lost and you start over. Keep your balance on this challenging climb and compete with your friends to reach the top.
The great exploits of the Ancient Rus in the war with the lizards. Immerse yourself in the world of Hyperborea and defeat hordes of Lizards and other unholy who encroached on holy places Ancestors. Choose a blessed hero and go save the world from the green plague.
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.
A vividly animated action roguelite focused on boss hunting. Unleash an array of diverse weapons and powerups to combat the corruption of the Void.
Play Abathor Atlantis Landing and relive the glory of arcades in this action platformer for up to 4 players.
The Last Hero of Nostalgaia is a satirical action-adventure, brought to life by a twisted and wicked tale. Featuring hard but fair combat, *full character customization, unique battle armor and engaging narrative mechanics rich in lore, Nostalgaia plunges you into almost certain death at every turn.
World Racing 2 is back - revamped with a new look! The highly acclaimed racing spectacle makes the streets on your screen glow like never before! The new Champion Edition offers modding and Steam Workshop support. Are you ready to start the race of your life? The roads are waiting for you!