Co-op & Multiplayer Games

Carry fragile valuables together while hiding from monsters in 1–6 player physics co-op.

The Past Within is the new co-op experience from Rusty Lake! Play together with someone you deem trustworthy: one in The Past, the other in The Future. Observe and communicate what you see around you. Solve the puzzles and uncover Albert Vanderboom’s plan.

FIREWORKS MANIA is a small casual explosive simulator game where you play around with fireworks, create beautiful firework shows or just blow stuff up.

Roboquest is a fast FPS Roguelite in a scorched futureworld. You're a rebooted Guardian, ready to kick some metal ass! Fight with your buddy or by yourself and annihilate hordes of deadly bots in ever-changing environments.

It's a fight for the future of the planet between the Ravagers, a merciless swarm of alien invaders, and the Earth Defense Force (EDF) in this third-person shooter.Play as four different classes in over 80 missions with a range of 800 weapons at your disposal.Co-op play supported.

A top-down adventure game in a coloring book world full of vibrant characters. Use painting powers to explore, solve puzzles, make friends, and draw on anything! From creators on Wandersong + Celeste.

Wrangle the hands and arms of a 1970s space cosmonaut and push, pull and twist your way through an increasingly precarious range of physically simulated stellar scenarios, where without gravity, nothing is still, nothing is secure, and nothing is simple.

Slice and dice your friends with boomerangs in this frantic physics party game. Join a crew of your favorite foods as you grill, chill and spill your enemies. Discover ridiculous power-ups and stack them together in deadly combinations.

GARBANZO QUEST! The crazy bullet-heck platformer where your main weapon is your own spit! Bring a friend! Hand-crafted challenges, secrets, and branching paths galore!

Wilmot's Warehouse is a puzzle game about keeping a warehouse running in tip-top shape. Just remember where you put everything, because when the service hatch opens, you'll need to find the things people want quickly, in order to earn the coveted Performance Stars.

Spirits Abyss is a roguelite platformer with destructible terrain. Cast into the Abysm you must explore its diverse depths battling phantasmic meanies and plundering its useful treasures to find a way home... but does something nestle beyond the realmic veil of death?

Card Hog is a pig-based dungeon crawler with roguelike and deck building elements. Take the role of an adventurous hog and interact with more than 100 cards of dangerous enemies, powerful weapons and exciting spells!

S.O.N.A.R. (Submarine Operators Not Actually Ready) is a 1–6 player co-op submarine sim where teamwork is essential, panic is inevitable, and sinking is always one wrong button away. Use sonar, pilot, fight, repair, and pray your friends know what to do.

Sheepherds! is a cozy co-op party game for 1–4 players, where you and your sheepdog buddies guide colorful flocks through beautiful landscapes to collect their wool. There’s no time limit. Bark, run, and play together, or take on challenges to win even more rewards!

Raging Blasters is a vertical scroll shmup featuring high speed scrolling and the exhilaration of destruction.

This is a hot barrage shooting game. Destroy enemy planes with powerful firepower, shuttle and evade in the barrage. Various scenes with rich colors Planets, Fire Stars, Jupiter Stars, Water Stars, and huge battleships. It's time to drive a space fighter and show your strength! !

Congratulations on your new career at B.A.N.K.! Go it alone or with friends (1-4) — serve customers, uphold the bank's reputation, climb the corporate ladder, and find success in your work. It's all up to you!

Own the streets, one reckless run at a time. Drift through traffic, chase impossible gaps, and push your luck to keep the combo alive. Turn your ride into a high-speed monster, tear up the road solo or with friends in co-op, and make your name on the Redline rankings.

Grab up to three friends for this party brawler where classic party-game chaos meets fast, punchy combat. Score goals, steal stars, dodge hazards, and sabotage each other across chaotic minigames!

A BRAZILIAN BOOMER SHOOTER GAME MADE USING THE ID TECH 2 ENGINE! SHOOT, JUMP, EMBARK ON A JOURNEY THROUGHOUT THE STATE OF RIO DE JANEIRO, HELL AND EVEN HEAVEN! SAVE BRAZIL!

The party co-op shoot ’em up! Become the king of the night club! Go alone or group your friends! Shoot the party crashers down!

Pile Up! ticks all the right boxes as a family-friendly cooperative 3D platformer! Jump up, slide down, play together and carry the load!

Construct mighty steampunk airships and fly them into battle, waging war and conquering the skies!

Strategically match an insane number of shapes and make a watermelon without running out of space in ​this new hit action puzzle game! Featuring intense versus modes, and relaxing co-operative modes, play online or offline however you'd like!

[97% Very Positive] Teamwork has never been this chaotic! Throw your head, transform into one, and maybe... kick your friend's head across the map in this physics-based platformer? Team up for hilarious cyber adventures, or tackle the madness solo!

Battle huge "Koju" bugs in CAVE's beautiful fantasy shooter, Mushihimesama. Experience the thrill of bullet hell from the masters of the genre as you evade visually stunning shot patterns with thousands of bullets.

A physics-based 2D action roguelite set in a dungeon of glass. Master intense combat, be immersed in captivating visuals with adaptive music and sound design tailored to your gameplay.

It's exactly what it sounds like! Have you ever wanted to be a tree? Do you like odd numbers? How about multiplayer, weather, seasons and more!? Well then this is the game for you! Come on down to a place where you will never want to leaf. Relax and be the best tree you can be. 1-250 players.

22 years after its first appearance, the iconic Platypus is coming back, featuring updated gameplay, new weapons and additional content. Get ready to dive into the heart-pounding action of this fast, frantic, and incredibly fun arcade-style shoot-em-up!

KOF 2002 UM is the 2nd title in the UM Series and a fully upgraded ver. of KOF 2002, a masterpiece of the KOF Series deserving its place of honor alongside KOF ’98. Based on THE NESTS CHRONICLES, 2002 UM includes the most characters of any title in the KOF Series, and fighting game history!

THE STANDALONE SEQUEL OF THE BRAZILIAN BOOMER SHOOTER GAME MADE USING THE ID TECH 2 ENGINE! SHOOT, JUMP, DOUBLE JUMP AND DASH! EMBARK ON A JOURNEY THROUGHOUT THE STATE OF RIO DE JANEIRO, SÃO PAULO, SALVADOR, HELL AND EVEN HEAVEN! SAVE BRAZIL!

The legendary bullet-hell shoot-’em-up series has come to Steam! DoDonPachi is ressurected after a Blissful Death with enough modes to satisfy the beginner and the expert player alike. Tonight we dine in bullet hell!

Portal with cats - Become entangled in a quantum puzzle adventure! Mittens gains the incredible power to be in two places at once. Explore twisted test chambers, make mischief and evade capture by a whisker! 🐈🐈‍⬛

Keflings may be small, but their kingdom-building adventures are gigantic! Build a world with your friends in A World of Keflings! Harvest resources, construct robots, befriend a dragon, and help a creepy witch get even creepier in this update of the classic 2010 city-building adventure.

A top-down space shooter with deep RPG progression. Fly a voiced story in four acts, from a war across three galaxies to the gravity wells of Kepler, lead your wingmen, hunt pirate captains and hold a collapsing front. Solo, or with a friend on the second controller.

Flamecraft is a 1-5 player cozy strategy game filled with magic. Become a Flamekeeper and help adorable dragon artisans find the perfect home. Enchant the town’s stores and fill them with dragon cards as you watch the whimsical shopping district come to life.