Top similar games like COSMOS:

Jumpfox: Always Running is an intense precision platformer where control is key - but not over running. Jump and dash through rigorous courses, as you automatically run and change direction at walls. Ideal for both challenging solo play and exciting local multiplayer.

Take on the hard yet fair world of Bloody Trapland. Jump, slide, dash and dodge your way through the many deadly levels. Find secrets, solve puzzles, unlock mysteries and unravel the story. Go at it alone or bring your friends along for a co-op experience like no other. 1-4 players online and/or splitscreen.

Play Abathor Atlantis Landing and relive the glory of arcades in this action platformer for up to 4 players.

Tanuki Justice is an action-packed run 'n gun (but with shurikens) platformer. Take on the role of a cute yet ruthless raccoon and take out various foes charging you from every angle. Play alone or, for double the fun, invite a friend, for there are many challenges to overcome together!

Junkbots, lasers, balls and rage! A 2.5D multiplayer game where two teams of junkbots clash in a battle of cannon shots to bring the ball to the goal. Frantic gameplay with 5 minutes matches, 2vs2 or 1vs1, online and local. Moreover: train with bots and play stupid minigames!

Spaceship Hunters is a chaotic couch co-op shoot-em-up for 4 players. Working as a crew, fight your way through the worst criminals the universe has to offer.

Mystic Strife is a fast-paced chaotic party fighting game for up to eight friends. Choose one of six characters with unique abilities and prepare yourself for a simple yet surprisingly deep platforming deathmatch!

Straima is a devilishly difficult pulse-pumper platformer for 1-4 players. It includes several game modes, selectable powers and gameplay mutators, as well as a full feature level editor with Steam Workshop support so you can design and share your weird creations with chums for immense joy.

A multiplayer platformer where monsters are controlled by the other players!

Gravity Heroes is a fast paced, chaotically beautiful 2D platform shooter, fuelled by retro arcade nostalgia with an electrifying soundtrack and popping pixel art style. Enjoy an action-packed, gravity-shifting solo campaign, or local multiplayer madness for up to four friends.

Dodge, jump, and dash your way through hundreds of terrifying geometric levels and epic bosses. Too tough? Bring your friends!

Pick your guns, grab your beer and blast your way through hordes of enemies on this run and gun game as a member of the Brotherhood who leaves no friend behind. Show your enemies that no one messes with the Brotherhood. Unite the Brotherhood !

Rush through the cyberpunk landscapes of Neo Barcelona in Aeon Drive, an action-platformer with a speedrunning twist! Whether solo or in up to 4 player co-op, sprint and dash through many areas of the neon-infused city - and use your time and space-bending abilities to get ahead.

Stranded on a far flung planet, hold out for rescue against alien foes with a variety of guns, lasers, and explosives.

Super Grav is a retro gravity cave flyer for 1-4 players, featuring single player or co-op multiplayer missions, racing and dogfighting. Back by popular demand, Super Grav is the official sequel to the 1998 Net Yaroze coverdisc hit, Gravitation.

Four friends break a mysterious crystal and move to another dimension, where adventure awaits them. Pixels can fight is a fun platformer that will challenge you and your friends.

Code Arcturus is a retro inspired arcade-style action platformer, with aliens, robots, spikes, explosions, and lots of coins. Blast your way through levels, compete for the fastest times on the leaderboards in Speedrun mode, or put your skills to the ultimate test in Nerfed mode

Water is flooding the world. Build your own way to climb higher and higher. Maybe there is a chance of survival after all. Give yourself a try! Help those boars reach the highest level.

Abathor is a challenging 2D action platformer for solo play or up to 4 players. Embark on an epic 16-bit quest inspired by Golden Axe, Rastan, and Castlevania IV. Traverse Atlantis, battle demons, and defeat vicious bosses to save your progress! Enjoy an amazing OST from classic-era musicians!

MONKEE GAME is an endless climber party game. Play with up to 8 players co-op or pvp and try and stay on the screen. Grab and use items to either hinder or help your friends as you all scale upwards!

Jet Set Knights is an old-school arcade action platformer inspired by classics from the golden age such as Mario Bros, Snow Bros or newest Super Crate Box. If You love retro 2D platformers mixed with tower defense and RPG elements, Jet Set Knight is for You!

Bloody Trapland is a fast-paced multiplayer platformer where the levels are filled with dozens of dangerous traps and tricky jumps that stand in your way! Play co-op with your friends or take on the challenges on your own. With support for up to 4 players at once, local and/or online.

Be Jack! Get an axe! Take Jack (and her sisters) on an axe tossing, single or multiplayer, platforming adventure in a vibrant open world inspired by Filipino and Norse mythology.

The ultimate couch fragger gibfest! Armed with a powerful shotgun, bullet deflecting shield and power-up tarot cards, 2 to 4 local players will battle it out to collect each others souls in 9 different competitive game modes across 4 realms & 40 arenas. This is frantic local multiplayer action at its bloodiest!

MPAliens - 2D Arena Platformer. It's a local party game with intense PVP matches, hardest COOP missions and different Bosses on different maps.

Test your skills in this puzzle-platformer game: Help Enid, Ryder, and Dayen recover the Forgotten Fragments in this beautiful pixel art adventure. Hundreds of hand-crafted levels split between the single-player and co-op campaigns!

Explore the land of Brathian, by yourself or with a friend, fighting guardians and using their powers to keep the magical crystal away from malicious hands in this retro action / platformer game.

Hoovernauts is a space-themed, 2D action-platformer that supports local multiplayer of up to 4 players. Using game remotes, players can work together to take down hostile space creatures in the campaign mode or fight against each other in the arena mode.

Super Cable Boy is a retro inspired platformer, where you are playing a living handheld gaming system with a power cord. Collect game cartridges to become more powerful and take on your quest to defeat "the Glitch", an entity that 1▧01☠01௹1‱☣∰0␢⌀▧ ..

Play single player or local co-op. Story mode or Brawler is up to you. Remote play with friends. Simple mechanics. 20 levels, 4 bosses, 6 PVP arenas.

Mago: The Villain's Burger is a retro 2D platformer that puts us in the boots of a sorcerer, who was unfortunate enough to eat evil overlord's food. Now he has to rescue his beloved princess from the dinner menu of the evil Gourmet! Nostalgia awaits!

Take control of Mace in this local co-op side scrolling platform shooter as you travel from assignment to assignment taking on enemy bots and dangerous bosses on different planets.

Grab your best bud for help in this new co-op challenge to help two adorable penguins, Bread and Fred, reach the top of the snowy summit. Time your jumps, cling to walls and swing across gaps to see how far you can make it before you tumble all the way back down the mountain.

Archery Showdown is a local PvP platformer where you can challange with your friends in an archery-balistic 2D fighting!

The retro magic of the NES-era has returned! 99 tough stages will recall the feeling of childhood days.Be careful when playing Virus Crashers, and don't get too addicted!