
Flat Heroes
Dodge, jump, and dash your way through hundreds of terrifying geometric levels and epic bosses. Too tough? Bring your friends!
Hooked on the retro and colorful side of Unit 4? These games are a good place to start. Plenty here let you team up if you like.
Dodge, jump, and dash your way through hundreds of terrifying geometric levels and epic bosses. Too tough? Bring your friends!
Also in Co-op · Retro, Colorful, Fast-paced
Jump back in time and free your inner caveman. Smash heads in this local cooperative platformer game. Play solo or team up with up to 4 players. Inspired by games like New Super Mario, Joe & Mac, Metal Slug and Trine.
Also in Co-op · Retro, Colorful, Fast-paced
Jog! Jump! Switch! Coordinate the crazy conga line of alien athletes in this autorunner / puzzle platformer for 1-4 players.
Also in Co-op · Colorful, Fast-paced, Funny
HIVE JUMP is a sci-fi action platformer for 1-4 players blending run ‘n gun gameplay with roguelike elements.
Also in Co-op · Retro, Colorful, Fast-paced
“Basureroes: Invasion” is a 2D platform game with retro aesthetics in which a group of heroes with different abilities must save the world from an alien invasion. Run, jump and fight your way through twenty levels full of danger and epic boss fights.
Also in Co-op · Retro, Colorful, Fast-paced
A top-down shooter about kicking a pink alien horde off Earth, alone or with up to three friends. Grab rocket launchers and flamethrowers, wire up turrets and barbed wire, and turn a beat-up planet into even more rubble. The apocalypse has never been this cheerful.
Also in Co-op · Colorful, Fast-paced, Funny
Free the galaxies in this action platformer! Jump, swing, dig and shoot your way through uncharted planets. Give hell to the Overlord's forces and face alien foes. Earn rewards after every battle and add them to your ever-growing arsenal.
Also in Co-op · Retro, Colorful, Fast-paced
Capsized is a fast paced 2D platformer focused on intense action and exploration. As a intrepid space traveler, your ship has crash landed on a mysterious alien planet. You must navigate through the perilous environment and fight off blood-thirsty creatures to save your crewmates and escape with your lives!
Also in Co-op · Retro, Colorful, Fast-paced
A little alien with a big gun lands on Earth to help the Mothership invade. Blast through FBI agents across randomly assembled neighborhoods, steal their intel, mutate into stranger and stronger forms, and drag up to three friends along for the mayhem. Chaotic, funny and fast, and best with people beside you.
Also in Co-op · Retro, Colorful, Fast-paced
Pick up the Horror Pack for free during the Steam Halloween Sale! Offer ends November 1st at 10AM Pacific.
Also in Co-op · Retro, Colorful, Fast-paced
You have been made redundant and dumped at the far edge of space. Jump, whip and grapple across four vibrant alien planets, lasso bizarre creatures, scan weird plants and hoard hundreds of secrets, all to get even with the corporation that abandoned you. A funny, colorful action adventure that is best shared on a couch.
Also in Co-op · Colorful, Fast-paced, Funny
You are stranded on a strange and peculiar planet. It’s time to embark on your journey and find your way home! Explore a gravity defying and challenging platformer with striking visuals and a captivating story that transports you to a world beyond ours.
Also in Co-op · Retro, Colorful, Fast-paced

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

“Basureroes: Invasion” is a 2D platform game with retro aesthetics in which a group of heroes with different abilities must save the world from an…

Free the galaxies in this action platformer! Jump, swing, dig and shoot your way through uncharted planets.

Rid a post-apocalyptic Earth of alien invaders with over-the-top weaponry, solo or with a squad of four.

Capsized is a fast paced 2D platformer focused on intense action and exploration.

Pick up the Horror Pack for free during the Steam Halloween Sale! Offer ends November 1st at 10AM Pacific.

Kick butt in this retro 2D action-platformer! SEEP Universe is an indie game for PC inspired by the 8-16 bit era!

Pitfall Planet is a couch co-op puzzle-solving adventure game set on a distant planet, where you'll need to use teamwork to complete levels and…

Jump into the frenzied action and the whacky humor of a pure 2.5D side-scroller!

GARBANZO QUEST! The crazy bullet-heck platformer where your main weapon is your own spit! Bring a friend!

Grab a friend, grab a gadget, grab a gun and get ready for the most fun you'll ever have in a co-op game!

"Button Button Up!" is a platformer party game. Players need to use limited resources to help their partner passing different laser obstacles.

GARBANZO QUEST! The crazy bullet-heck platformer where your main weapon is your own spit! Bring a friend!

Team up to shoot gel, swap colors and solve puzzles on a strange planet, best played together.

Explore colorful alien planets, catch strange creatures and hunt down hundreds of secrets, alone or with a friend on the couch.

Teamwork matters most in this seamless, fantastical metroidvania within a living, breathing world.

Unidentified Falling Objects is a unique mashup of platforming and puzzle destroying gameplay.

Invade Earth with up to four players, blasting agents and mutating across randomly built city blocks.

Free the galaxies in this action platformer! Jump, swing, dig and shoot your way through uncharted planets.

Steer a two-legged robot across an alien planet, alone or with up to four friends, and turn every stumble into part of the plan.

Vibrant Venture is a singleplayer 2D adventure platformer game featuring a quirky cast of characters!

Intense 2D action-platformer set in a mining colony infected by an alien plague.

Struggling is a physics-based co-op platformer with a twisted spin on teamwork.

Flail through wormhole levels solo or with friends, then shove each other off cliffs in party mode.

A tense story of teamwork and betrayal, expressed as a snarky, fast-paced platformer/beat-em-up.

Steer a two-legged robot across an alien planet, alone or with up to four friends, and turn every stumble into part of the plan.

Team up to shoot gel, swap colors and solve puzzles on a strange planet, best played together.

Explore colorful alien planets, catch strange creatures and hunt down hundreds of secrets, alone or with a friend on the couch.

Team up for 1-4 player co-op platforming in procedurally-generated alien caves! Customize your gremlin, embrace the chaos and fart on friends!

“Basureroes: Invasion” is a 2D platform game with retro aesthetics in which a group of heroes with different abilities must save the world from an…

GARBANZO QUEST! The crazy bullet-heck platformer where your main weapon is your own spit! Bring a friend!

Teamwork matters most in this seamless, fantastical metroidvania within a living, breathing world.

Undercat is a non-restrictive 2D platformer with co-op and PvP modes. Help the Resistance to overthrow the Cats' tyranny and liberate the animal city!

Invade Earth with up to four players, blasting agents and mutating across randomly built city blocks.

Unidentified Falling Objects is a unique mashup of platforming and puzzle destroying gameplay.

Flail through wormhole levels solo or with friends, then shove each other off cliffs in party mode.