S.E.M.I. – Side Effects May Include...
A fun cooperative action platformer game for 1-4 players about escaping from a special clinic. Become a patient, take experimental drugs, get superpowers… And unpredictable side effects!
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The top results based on the latest update are PeakPals [Score: 1.0], Jupiter [Score: 0.9] and Eternal Vortex - Beta [Score: 0.9] The top rated games you can find here are RV There Yet? [SteamPeek Rating: 9.0] ranked #5, Psychonauts [SteamPeek Rating: 8.7] ranked #23 and My Coworker is an Idiot [SteamPeek Rating: 4.8] ranked #13 Also don't forget to check the newest releases Goo Go [Release date: 2026-01-07] ranked #7, Only Up: BRAINROT TOGETHER [Release date: 2025-11-07] ranked #22 and Fish Stick Protocol [Release date: 2025-11-05] ranked #18 While it is tempting to play with the newest and the best, there might be some other gems in the results, like My Coworker is an Idiot [SteamPeek Rating: 4.8] ranked #13, Only Up: BRAINROT TOGETHER [SteamPeek Rating: 4.5] ranked #22 and Psychonauts [SteamPeek Rating: 8.7] ranked #23.
A fun cooperative action platformer game for 1-4 players about escaping from a special clinic. Become a patient, take experimental drugs, get superpowers… And unpredictable side effects!
Climb 2500 meters of danger, sound-cued falling platforms, and no mercy on Hard mode. Play solo or in 1–6 player multiplayer – can you reach the airship at the top?
"In this co-op adventure, team up with your long-eyed alien friends. After a crash, you're trapped in a 'Fault Line'. To find a way out and send a signal home, you must explore, climb, and overcome dangers together."
Eternal Vortex Is A Online Multiplayer Shooter Where The Players Start Off With Basic Weapons, But To Become More Powerful You Have To Run Around The Map And Find A Better Weapon.
Explore procedurally generated worlds, look for artifacts, fight enemies using any item, because everything around is your weapon. And all of this with friends, in a game with elements of rogue-like and dungeon crawler genres.
A co-op adventure about driving your Recreational Vehicle home.
Who will be the best fighter in the CRAZY CAGE? Ragdoll physics, melee weapons, huge bullets & explosions, tons of powerups, dope scorestreaks, multiple gamemodes and more. Single player, 4 player splitscreen & 8+ online for endless fun and chaos. Join the craze & JUMP IN THE CAGE!
Test your skills, patience, and nerves in a game where one mistake will send you back to the beginning. Oh, and welcome to "Goo Go"!
Make your bottle jump using just one button! Play solo or with as many friends as you can gather in chaotic, obstacle-filled levels. But be careful, push too hard and you might make your bottle crack!
It’s Mealtime! is a multiplayer physics game where teams of 4 players work together to manage a restaurant, even if that means having to fight against another team!
A cooperative action game where up to 4 players battle through themed arenas, dodge deadly attacks, upgrade unique abilities, acquire loot, and survive raid-style encounters in fast paced combat.
JUST A GUY is an online multiplayer ragdoll game. Play with physics, explore small open worlds, drive vehicles, use fun items and complete objectives to earn new cosmetic outfits!
Team up with 1–4 friends and dive into wild co-op battles! Smash waves of goofy enemies, grab ridiculous loot, and grow insanely powerful together. Every run’s a new kind of chaos!
Together with Steve, your coworker, deliver glass to the construction site. Try not to damage the city too much.
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!
Spanky! is THE booty-physics party game that brings cheeky movement mechanics to chaos-filled party modes. Twerk online with up to 7 friends and slap some jiggly tush!
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Survive the world’s most chaotic road trip! Team up with friends to drive, repair, and argue your way through treacherous terrain, unpredictable weather, and mysterious small towns in a physics-driven co-op adventure.
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.
Enter strange, unpredictable dimensions with up to 8 players to grab artifacts and survive the chaos waiting inside. Showcase your loot in your private museum, unlock new machines, and gear up for your next dive. And please, shower between missions. Management insists.
Fight against hordes of zombies in this physics-based co-op game loaded with humor, and loads of customizable weapons.
Soaked is a multiplayer physics sandbox where you fling frisbees, chuck water balloons, and push players to their doom. Join the playtest today!
Milk Run is a cooperative platformer where players are armed (and legged) with grappling hooks and a determination to succeed. Climb, swing, and slide your way through challenges to prove to yourself, the world and your son you ARE a good dad and you CAN bring home the milk!
ONLY UP: BRAINROT TOGETHER is a chaotic multiplayer climbing adventure for up to 8 players. Navigate surreal levels, avoid traps, and survive encounters with bizarre brainrot creatures. Precision, timing, and teamwork are your only way up.
A Psychic Odyssey Through the Minds of Misfits, Monsters, and Madmen. This classic action/adventure platformer from acclaimed developers Double Fine Productions follows the story of a young psychic named Razputin.
Toy Escape is a co-op game for up to 4 players where you play as a small toy trying to climb your way through a giant house to reach the rooftop and escape. Jump, climb, and find your way out in this fun, toy-sized adventure!
A physics, parkour adventure! Launch yourself up a collection of biomes to reach the summit. Compete against friends by pushing them off platforms to throw them off course. Explore a unique world as a fish out of water.
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.
Discover your breath as you shoot your way through a whimsical madness! Slash and dash in a dynamic dance against hordes of enemies and bosses! Accept your losses, and bring a friend, it's time to go again...
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Prepare yourself for the flood! Build crazy, wobbly boats and battle your friends until only one is left afloat.
Slap Squad is a physics based, online multiplayer brawler where you battle your friends with wobbly toon-like characters. Use weapons and powerups in your arsenal to finish objectives and eliminate other players!
Throne of Flags is a high-octane blend of strategy, FPS combat, and tactical alliances. Capture 3 enemy flags, forge and break pacts, raid with vehicles, and dominate the battlefield.
Downpour Dash! is a fast-paced 3D precision platformer where you must get to the end of various challenging levels. Are you ready to dash?
Simple fighting game with randomly picked attacks and randomly picked maps, is either 1v1 or team vs team
Run Of Mydan is a flying VR Shooter set in a breathtakingly beautiful world. It features a Singleplayer/Co-op campaign, and a Multiplayer Arena with up to 10 players.
Bio Bots is a Free to play third-person team-based shooter. Enjoy playing chaotic matches in different game-modes
Wukong UP is a 3D Dark Fantasy parkour game featuring the Chinese mythological character "Wukong" as main character. Sun Wukong caused a great disturbance in the Heavenly Palace and was later suppressed by the Tathagata under the Mountain. The player will control Wukong's Clone to rescue himself.
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