Top similar games like OSO:

Clodhoppers is an online and local single/multiplayer brawler designed around quick games and big laughs. All the artwork is created using clay models and stop motion animation to give a unique aesthetic.

Experience the ancient art of Bunraku theater in fast-paced puppet battles between up to 8 players. Dash through your opponents, master the art of parrying and use all kinds of jutsus and shinobi tools to perform the best ninja show.

Charge Champs is a 2D platform fighter with a unique combat system where players charge their character to temporarily unlock abilities and gain an advantage over their opponents.

Become the ultimate online smasher & brawl it out with friends online

Welcome to the BOUNCE! Grab your controller, buckle up, and prepare for a face-off like no other in Nice to Yeet You!

Let's Have Fun in a HARDCORE Party Game! Be the last one standing on platforms. Build the stage with friends. (And block them!) There are more rules waiting for you to discover!

Hammer Dudes is a casual 2D platform fighter. Dodge, throw and strike with your hammer to defeat your opponent and reach their final scene! Play on the couch with a buddy or even online in this competitve and crazy 1v1 game.

A 2D, platforming game with a telescoping robot and short, intense caves to explore.

A fast-paced 1v1 game of tag and chase. Run, dodge, and tag your opponent before the timer runs out!

A unique, fast-paced platformer where only you can save the world from total destruction.

Harken back to the old school platformers! Heavily inspired by an Arcade Classic, use attacks, powers, and advanced tactics to eliminate enemies or your friends! Win by collecting 5 coins or being the last man standing! One thing is for sure, skills pay the bills!


Fight with your friends in this fast-paced brawler mixed with a platform game, where lovely 2D pixel art meets stunning visual effects. Choose a character and use its super-powers to defeat your opponents (up to 4 players).

Starkheim Tournament is a 2D fighting game set in a fantasy universe with a pixel-art style. Featuring simplified, easy-to-learn controls, it’s designed to be instantly accessible and quick to master.

PLUNKO - Champion of the Roundlands is a hand crafted action platformer with an energetic twist! You play as Plunko, and help him on his quest to stop King Trungle. Plunko loves energy drinks, give them one and prepare to bounce off the walls!

Dino-Might is a couch co-op fighting game where you control a tiny-armed T-Rex in a prehistoric smackdown! Customize your look, pounce on your opponents, dodge pitfalls, and watch out for the incoming meteor shower in a wild battle for survival. Who will be the last dino standing?

Scream to survive! In this chaotic voice-controlled brawler, yell instructions to move your dumb animal warrior. Battle friends or bots in explosive arenas where silence means death, and luck means victory!

Playomoji is a chaotic party platformer where up to 16 friends battle it out. Shove your buddies into traps, ruin their runs, and laugh as everyone goes mad trying to reach the finish.

QLewds is an upcoming Free-to-Play 3 vs 3 online multiplayer clash in a large 2D arena. The game aims to bridge aspects of MOBAs, Metroidvanias, 2D Platformers, and Brawlers into a novel gaming experience.

The best f2p play there is! Play against a friend or in a public match in fast paced 1v1 battles. Win matches to get resorces for progresion and unlock as many clishers as you can so you can promote as many of them for great rewards. The more support this product gets the more updates it will get!!!

Holy Stick! is a party game, and action shooter for up to 8 players where you use powerful weapons to shred the limbs of your enemies! There are different weapons, maps, customisation options and a Craziness System. On top of that - no health bars! Brace yourself, limbs will fly!

Perform a BODY SLAM, knock’em down with a CLOTHESLINE, pull off the classic PILEDRIVER AND… shoot LIGHTNING BOLTS into your opponent's face?! Whatever you do… don’t find yourself looking up at the lights!

Tougo is a distinguished martial artist recruited by a British intelligence agency takes part in a fierce fight against mysterious Cannabis drugs lord Taito, who is also responsible for Dee's fathers death. Together with agent Alice they discover the drug lair situated at an urban city...

Take control of blocks and jump to victory in this free puzzle platformer!

Chaotic 3D party platformer where you build the level as you race. Place traps, parkour to the finish, and outsmart friends online. For fans of party platformers like Ultimate Chicken Horse — now in 3D.

Join the search for the ultimative, the original, the one and only: DAVE! Compete against other daves, to find out who really deserves to be called Dave. Run as fast as you can, adapt to quick dimensional hops, master their unique mechanics and collect the shiny things.

A chaotic action party game that gets friends laughing and screaming! No sneaking, lying, or deceit here. Become a monster and inflict terror on your friends as they beg for mercy! With a free-to-play browser version too, easily invite your friends to join a game, no downloads required!

An online fast-paced multiplayer party experience! Master the stretchy power of Glob to sling around the world and throw objects at your enemies! Compete in many competitive game modes or work with friends to solve puzzles and sling through the world together. Did we mention there are lasers?!

A Fighting game and a sports game merged together to create a high energy point based fighting game.

Soulbound is a 2D PvP platformer where one player races as a ninja while the other possesses enemies to try and steal their body. Dash, slash, and slide to maintain control of the ninja and leave your opponent in the dust in this fast-paced showdown!

Orbit is a Multiplayer Platformer game. Customise your own character and battle other Players and/or AI controlled Bots across a variety of randomly generated planets. Gain the advantage by earning XP and looting each Planet before your opponents do!

Retro platformer where each character is inspired by a classic 80's or 90's game. Includes a level editor, character editor, and Steam Workshop support. Play local co-op or battle mode online with Steam Remote Play.

I Wanna Maker is a precision platformer with a robust level editor and online level sharing, based on I Wanna Be The Guy fangames. Create complex levels using a variety of objects, a powerful events system, and customizable visuals. Browse levels online, take on challenge modes, and more!

Say your moves out loud, trash-talk your friends, and fight to win. Smack Talk is a 1–4 player online PvP platform fighter where your voice controls your attacks. Call moves, land one-liners, and finish foes with wild ultimates.

Bubble Battle is a retro online/local multiplayer fighting game inspired by arcade classics. Players fly around with one simple objective: burst opponents’ bubbles before they burst yours. Collect powerups and out-maneuver opponents for fast-paced, addictive fun!

What if ninjas fought in a trampoline park, but with paint?

Grab the mask and run! In this chaotic party platformer with accessible combat, up to 4 players compete to see who can hold the sacred Lunara Mask the longest. Move fast to outmaneuver your rivals, sabotage their attacks with precise parries, and try to complete this unpredictable ritual.