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.

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

Throw bones, big rocks or use your spirit wolf special attack to kill a variety of enemies in this 2D platformer full action game.

A colorful and retro 2D platformer where you must shoot enemies, platform around tough obstacles, and race through several distinct worlds each with its own unique challenges and gameplay elements. Can you make it to the end?

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!

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.

Action-packed, sci-fi platformer where you play as Nova, a cyborg with extraordinary technological abilities. Immerse yourself in an exciting journey with beautiful retro-styled graphics, pristine polygons, and a nostalgic spacesynth soundtrack.

Gates of The Mind - is 2D Hardcore Platformer. Game should search you in reaction and ingenuity in boss fights and locations.Each Boss fight and Location have a phases where you must be accurate in your actions and contains non-linear solutions for opening gates of mind.

An exciting and fun platform game. play with a fancy computer head full of dangling wires. I know, it may sound weird, but hey, you're in Freakland bro!

Jump into the action as a member of 1 of 6 gangs and fight your friends in exciting party combat! Each time you play, you'll be fighting to push your rival gang memeber out of the map! KO them and move towards one side of the arena and claim the world of Rumble City as your own!

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!

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.

The Jabco World has called Mr Jorries to shoot away all the Boinks invading the world. Jabco the star nation watching the good, hard and the bad. Your objective is to shoot away as much Boinks as you can. Swim, Fly or Swing your way through while testing your platforming skills No Worries Mr Jorries

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!

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!

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.

Beat Boy is a fast paced musical obstacle course full of collisions and flailing bodies. Jump, slide, and kick your way through increasingly difficult levels while trying to take back your stolen cookie jar.

Goober Dash: A 2D platformer battle royale where Goobers Run, Jump & Dash to victory! Customize your Goober, dash to outmaneuver opponents, create your own levels, and compete in global time trials. Unlock exclusive skins and celebrate your wins in this action-packed multiplayer Race Royale!

Survive the night killing enemies using your bow, Fire Dragon or Thunder Dragon special attacks in this wave based 2D platformer packed with a lot of action and upgrades. Can you last until daylight?

Become a Power Pal and help the team save their children from the evil Blitterbom. Power Pals is an arcade style platformer with a cute family friendly atmosphere. Play through increasingly difficult levels as one of the 5 Power Pals.

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!

A stop-motion adventure featuring clay companions, combatants, and hand-crafted worlds.

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.

Play as members of the real life rock band DZ DEATHRAYS as you work your way up from backyard parties to the main stage while bringing in the cheers and dodging the flying beers! Its an original twist on a classic 2d pixel art based beat-em-up that will have you head banging all the way to the top.

Gasoline Gypsies Game is a retro 2-D action platform game based off the hit band The Gasoline Gypsies. Run, jump, and jam your way to the top. Listen to 8-bit renditions of original Gasoline Gypsies music.

Become a Kamaitachi in this methodical 2D platformer. You can't change direction in mid-air. Use your double jump to anticipate your landing and maneuver through the air with the use of a powerful Tornado move. Master the movement and challenge yourself to overcome the tough battles ahead!

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

Don't Touch the Purple ("DTTP") is an endless side-scrolling arcade platformer where you make your way through a randomly generated assortment of levels and get as far as possible before dying.

When scientists succeed in creating super smart machines, the machines turn on their creators and threaten the future of mankind. Only one plucky blue robot can save them in this twenty-level action packed platformer!

Follow the creation and crazy antics of a cartoonist as the journey of this strange but friendly character unfolds in this monochromatic 2D adventure. In a fun game with fluid movements and simple, responsive controls. Venture between vertical and horizontal platforms, avoiding traps and cliffs.

Battle for control of a fungus-infested Kingdom in 4v4 strategic multiplayer matches. Possess specialized insects, working together to reach a Shogun, Shrine, or achieve a Poop Victory (yes, you read that right .. Poop Victory). Shroom Siege is for both new and experienced fighters!

Akimbo, renowed kung-fu hero of the seven seas, is always on the lookout for adventure. A gentle lad who is always willing to lend a hand or roundhouse kick to help a person in need, he often finds himself caught up in the strangest situations.

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).

Dash and roll through a charming world in this fast-paced, momentum-based, fun-filled platformer! Uncover the mysteries surrounding the destruction of this peaceful planet and leave no tasty turnUp behind!