Best Online Co-Op Steam Games on Sale
Unlike generic lists, our game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated online co-op games.
Filters & Lists
SEVERANCE
Severance is a 1-5 player paranormal investigation game… with a twist. Use tools and equipment to identify the correct ghost type while a dangerous, violent entity hunts you down. The twist? YOU can become the ghost. Choose Ghost AI, or an asymmetrical mode where a player takes the Ghost role.
ARC Raiders
ARC Raiders is a multiplayer extraction adventure, set in a lethal future earth, ravaged by a mysterious mechanized threat known as ARC.
Wreckreation
Wreckreation is an evolving open-world driving playground built around choice. Play solo, explore on- and off road, create your own races and challenges, hang out online with friends using full cross-play. With fast updates shaped by players, this world keeps evolving.
Midnight Heist
Go on heists through Midnight City alone or with up to four players to fulfill tasks as a hacker for various organizations. Improve your reputation, earn money, and uncover the secrets of shady companies all while being hunted by terrifying entities.
PowerWash Simulator 2
PowerWash Simulator is back, bubbling with fresh locations, soap-erior equipment and splashy features. Effortlessly transform soiled surroundings into clean, serene scenes, solo or with pals. Satisfaction is a spray away!
GODBREAKERS
Fast, Fluid, Frenetic! Break gods, steal powers, and chain abilities in a hectic combat loop. This 1-4 player co-op action roguelite is built for fast pick-up sessions and endlessly replayable chaos. Experience tough battles and maximum expression where every run feels rewarding!
Dark Hours
Dark Hours is a co-op survival horror game for 1-4 players. Your heist has been disrupted by a supernatural event, and your team of robbers is now trapped with an evil entity. Forget your plan, your mission is to survive. Explore and cooperate to find a way out.
MISERY
MISERY is a 1–5 player co-op survival game set in a nuclear disaster zone. Here, every day is a struggle: search radioactive ruins for resources, build your bunker, craft weapons, and explore a weird, procedurally-generated world with your friends. Beware of anomalies, monsters, and armed bandits.
Escape the Backrooms
Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse 30+ eerie backrooms levels while avoiding entities and other dangers. Try to escape but be warned: survival isn't guaranteed.
The Jackbox Party Pack 11
The pack is back! The Jackbox Party Pack 11 transports your game night with 5 new games! Destroy wholesome jokes in Doominate, record your voice in Hear Say, create kookiness in Cookie Haus, sleuth through social clues in Suspectives, and collaborate with your crew in Legends of Trivia!
Fellowship
Choose your hero, form your group and battle through dungeons together in a Multiplayer Online Dungeon Adventure. Progress through Leagues, endlessly scaling Dungeons and chase new rewards with every fresh season. With a growing roster of Heroes and content there’s always something new in FELLOWSHIP
Necesse
Build, quest, and conquer across an infinite procedurally generated world. Play alone or with friends as you establish a settlement and explore deep dungeons, fight monsters and bosses, mine rare ores, craft magical equipment, recruit specialists for your colony, and more!
Backseat Drivers
A punishing 2-4 player driving test of your relationships. Gramma can't see and you can't drive. Together, you'll navigate the world's worst detour in an ancient car that handles even worse than it looks.
LEGO® Party!
LEGO® Party! is a 4-player party game that's built different! Compete against your friends in wacky Challenge Zones and 60 hilarious minigames from across your favorite LEGO sets like Pirates, Space, NINJAGO® and more. Play your way! Join your friends no matter their platform locally or online!
Lost Rift
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.
Sonic Racing: CrossWorlds
Race across land, sea, air, space, and time in Sonic Racing: CrossWorlds! Warp through Travel Rings into new dimensions where something new awaits around every twist and turn.
Cozy Island
Grow veggies, go fishing, and meet cute animals! On this relaxing and lovely island, you can walk around and explore freely, unlock quirky and fun items, build your own secret base, and enjoy carefree, joy-filled days at your own pace.
Ratatan
Ratatan is a rhythm roguelike action game that combines rhythm games and side-scrolling action, with online co-op gameplay supporting up to 4 players. An intense battle unfolds with over 100 characters fighting in a massive melee. Let's defeat the enemies together!
Goblin Cleanup
A co-op cleaning game where you have to clean and rearrange a dungeon before the next adventurers come to complete it again.
Moros Protocol
Face the darkness in Moros Protocol, a pixel-painted sci-fi FPS roguelite. Survive the nightmare alone or with allies as you navigate the decaying warship, stalked by horrors and guided by a voice you don’t recognize. Adapt, upgrade, and push forward. You may be outnumbered, but not outmatched.
Wobbly Life
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!
Lost Skies
Chart a course in a breathtaking, but fractured world. Explore ancient ruins, master advanced technology, and craft your very own skyship to brave nature’s fury and colossal threats in Lost Skies. Team up with friends or go it alone in this awe-inspiring cooperative survival adventure.
Voyagers of Nera
Voyagers of Nera is a cooperative survival-crafting game where you must survive a magical ocean world brimming with lost spirits and deadly monsters. Sail to distant islands, build beautiful villages and surf across the waves with up to 10 players.
LEGO® Voyagers
From the makers of LEGO® Builder's Journey comes a new 2-player co-op adventure about friendship and play. When two friends make it their mission to rescue an abandoned spaceship, they embark on a journey beyond their wildest dreams.
Shape of Dreams
Shape of Dreams delivers fast-paced top-down roguelite action with chaotic projectile-filled battles, fluid combat, and high-stakes co-op. Play solo or with up to three friends as you dodge overwhelming attacks and unleash devastating builds.
Firefighting Simulator: Ignite
Face unpredictable dangers, fight perilous fires with your crew, and save lives in Firefighting Simulator: Ignite. Step into the boots of a U.S. firefighter and play with up to 3 friends or with the help of your NPC controlled crew members.
NBA 2K26
Bragging rights are on the line in MyCAREER, MyTEAM, MyNBA, The W, and Play Now. Showcase your bag of moves with hyper realism, Powered by ProPLAY™, and challenge your friends, or rivals, in NBA 2K26’s competitive modes—and leave no doubt that you wear the crown.
Warhammer 40,000: Dawn of War - Definitive Edition
Warhammer 40,000: Dawn of War - Definitive Edition is the ultimate Dawn of War experience, featuring the original Dawn of War and all its expansions, along with enhanced visuals, an improved camera, and 64-bit platform support.
Deadzone: Rogue
Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.
Iron Core: Mech Survivor
100 years after a nuclear apocalypse, an AI-managed shelter and its guardian mechs await human survivors. The shelter’s reactor creates safe zones to improve living conditions. Players control mechs to gather reactor fuel, fend off mutants, complete missions, and protect survivors.
Bang Bang Barrage
Survive the treacherous sea in this quirky multiplayer shooter game! Play solo or team up and fight off Cthulhu's minions. Master a unique recoil-based mechanic to blast enemies and chart your course. Mix and match upgrades to craft the perfect sea-surviving strategy!
Gatekeeper
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!