Top similar games like COS-MOS:

Rescue abandoned toys and find your way back to your owner in this thrilling co-op action adventure! Evade those who seek to break or discard you by using the ultimate survival tactic: stop moving and 'Act Like Toys!' to blend in.

Steer the jar with your pickles inside. Roll through trap-filled courses! A 1–4 player physics-based co-op chaos: clear obstacles without shattering the jar, return to checkpoints, and try wild tactics with friends. Easy to learn, hard to master.

Bitter Critters is a multiplayer Co-op roguelike pub crawling game. Explore procedurally generated towns and dodge silly obstacles!

Hadalis is a co-op deep sea survival game where every mistake can be fatal. Alone or with a crew, descend into the hadal zone while keeping your fragile submersible intact as pressure, creatures, and failing systems push you to the brink. Will you endure the abyss?

Medieval Thieves Academy is an online co-op stealth game with proximity voice chat for 2 to 4 players. Sneak through castles and mansions, steal every treasure you can carry, and spend your loot between runs on stat upgrades and tools. Push as far as you can, efficient or not.

In What The Coffin, you and a friend face the wildest challenge: hauling a wobbly corpse through a chaotic world of physics-based obstacles! It’s all about coffin-cooperation. If you drop it, you're both going six feet under! Can your friendship survive the madness?

Dung Ho! is a co-op physics game where you and your friends are dung beetles rolling a (dung) ball into a hole.

A co-op game where you and your friends embark on an epic journey to drag the goblin king’s dead body across the kingdom to resurrect him. Use brains, brawn and crazy goblin magic to navigate the tricky terrain and puzzles that lie in your path.

Climb out of the grave and into chaos in this co-op physics platformer set in a cursed Wild West. Blast each other across deadly parkours to survive a world where the only rule is: don't fall.

Sky Pirates is a cooperative steampunk pirate adventure game. Sail aboard a flying ship, explore islands, and transport treasures for a pirate organization… all while avoiding celestial dangers!

Gigils is an action packed multiplayer game where players will take on the role of cute alien creatures that bite, evolve, and brawl to capture control points. Choose your class, devour bugs or enemies to unlock powerful abilities, and grow stronger. Alien mayhem has never been this delicious.

Space Out Together is a co-op space survival/adventure game where your crew crash-lands in the wrong sector of space. Refuel your ship, keep each other alive, and make it to the portal before everything falls apart. Together..

Everything is destructible. Blast through walls, bring down structures, and dominate the arena with funny weapons in this turn based adventure. It’s your world to destroy and your victory to take.

Build. Survive. Drag your home. Lost piggies. A rolling home. Hungry wolves. Team up, gather resources, and survive the night in this chaotic fairy-tale co-op adventure.

Dig, build rails, and survive underground as a Goblin miner for WHAAG MINING INC. Light your path or the darkness will drain your life. Explore fully destructible biomes, fight hostile creatures, and hunt the legendary Giant Crystal, solo or online co-op

Haul your wagon as a crew to progress along the trail and escape the approaching storm! Manage your supplies and band together as you fumble through the wilderness’s challenges.

A chaotic co-op armageddon game where you build ridiculous structures to survive world-ending disasters with sticky hands, physics chaos & friends who probably won’t save you. Don´t be a Sitting Duck!

A chaotic co-op survival game for 1–8 players where you travel the trail, manage supplies, survive disasters, and argue with friends. Work together to keep the wagon moving, adapt to random events, and try to make it to the end in one piece.

Dive into a chaotic, free-to-play party royale set in a hilarious dystopian future! Compete in absurd minigames, explore a vibrant sci-fi world, and outsmart your friends in this ever-evolving social adventure.

In this physics-based co-op platformer, you and a friend must carry your short-tempered king through deadly medieval courses. Dodge traps, maintain balance, and work together to reach the throne room. One wrong step, and the king might crown you with his rage!

[Co-op Action × Voice Chat] Work together to carry cheese without waking the cat! Use voice chat—but be careful, even small sounds can alert it. As overworked mice in a shady company, can you overcome traps and escape to a peaceful life?

This is coop multiplayer for 2 to 4 players, and every match the game decides who's who — one of you holds the ranch together, the rest exist purely to take it apart.

Sneak into an all-girls campus. Talk to girls, complete missions, and don't get caught by the principal. Asymmetrical anime chaos for up to 5 players.

One wheelchair. Two players. Infinite chaos. Solo or co-op physics-based game about teamwork, clumsiness, and the unstoppable power of friendship.

Escape a vertical nightmare with up to 4 friends using physics-based parkour. Equip Magic Rings to customize your climb. Don't let go, just keep your Hands Up.

Manage an old, rundown nuclear power plant with up to 6 friends in online co-op. Fix hazards before you put the reactor in critical condition, manage the chaos to avoid a meltdown, and try not to get in the way of your coworkers.

You and your friends are fearless space couriers delivering cargo to bizarre and exotic planets. Pilot the trusty old Croakpit, parkour across asteroids in zero gravity, and avoid getting bonked into the cold, dark void of space. Ready to tackle the universe's most dangerous delivery job?

What'Sub is a 4-player co-op submarine extraction game where you pilot a rust-bucket submarine into the depths of the Bermuda Triangle to recover treasure from the ocean’s seafloor. Gear up, descent, risk everything to bring your haul back to the surface, then dive again to ever deeper levels.

Climb toward the summit in a 3D parkour action game built around jumping, sprinting, and ledge grabs. As you gain height, a monochrome world blooms back into color while rain, sandstorms, and falling hazards force quick route decisions. Play solo or online with up to 8 players.

Ruffed Up is a chaotic co-op physics game where you play as dogs dragging your unconscious dog walker back home. Team up with 2–4 players online or locally to keep your human safe, cross treacherous terrain, dodge hazards, and somehow get everyone home in one piece. It’s no walk in the park!

Goal Gang is online multiplayer football built for pure chaos. Take control of a single player and jump into intense action where teamwork wins games until everything breaks loose.

🐸Up to 8 player co-op extraction puzzle-platformer where you swing, jump, catapult your friends, and eat eat EAT until you grow into a humongous Megafrog. Squad up with your frog friends and storm the Sewers for the glory of the Swamp King!🐸