214 Action · 2D · Difficult games your group can play together online, including Pathogenic, Afterbeat (Project Arrhythmia), and Fireboy & Watergirl 1: The Forest Temple.
All games: 24
You are a disease. Infect the human body as a lone pathogen in this cellular roguelike shooter. Collect organelles to evolve your parasite in a microscopic arms race against your host's immune system. Conquer a beautiful, procedurally generated world of tiny proportions.
A musical bullet-hell where all things beautiful are deadly. Dodge well little nanobot, you don't have much time.
Help Fireboy and Watergirl explore the Forest Temple, the first game in the series. Play solo or team up with a friend locally or via Steam's Remote Play Together!
A follow-up to the hit game Vivid Knight, Vivid World is a completely new party-building, roguelike strategy game! Our story takes place in the Underworld, a land ruled by demons. Utilize and master our protagonist, Lemuria's new Jewel Magic to conquer strange dungeons.
🦆 Marbles and 🐢 Checkers need your help finding their way home after being swept away in a storm. In this 90s buddy-platformer there's a ton of stuff to do and even more to collect!
A next-generation rhythm game where story and music intertwine. Enjoy a tracklist filled with famous licensed songs and exclusive original songs made by renowned composers Discover an immersive story, and face endless challenges. Your performance will dictate the fate of the world.
UFO 50 is a collection of 50 single and multiplayer games that span a variety of genres, from platformers and shoot 'em ups to puzzle games, roguelites, and RPGs. Our goal is to combine a familiar 8-bit aesthetic with new ideas and modern game design.
Hangtime! is a high-stakes volleyball roguelite where every rally hits like a boss fight. Chain explosive abilities, shut down evolving teams, and spike your way to the top — or lose it all in one play.
The latest title in the "TGM" series, "TETRIS® THE GRAND MASTER 4 -ABSOLUTE EYE-" offers the ultimate Tetris game that no one has ever experienced before. Challenge yourself in new modes such as ASUKA and SHIRANUI.
PICO PARK is back with all new levels! Play with 2-8 players locally or online in this co-op action-puzzle game!
RABBIT & STEEL is a co-op action roguelike that recreates the essence of high-level MMO raiding in a randomized, simplified, bunny-sized package. Choose your class, gather your rabbit-eared companions and battle your way to the Moonlit Pinnacle!
Embark on a 20-day adventure with Two, a reclusive girl. Cast spells in real time using a Japanese kana chart in this innovative new system. Master a vast variety of spells—and break the world! A mystery-driven, hardcore deck-building roguelike with kana-based spellcasting, and bullet-hell action!
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!
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
A vividly animated action roguelite focused on boss hunting. Unleash an array of diverse weapons and powerups to combat the corruption of the Void.
Pizza Tower is a fast paced 2D platformer, with an emphasis on movement, exploration and score attack. Featuring highly stylized pixel art inspired by the cartoons from the '90s, and a highly energetic soundtrack.
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.
The cutest, deadliest top-down roguelike shooter featuring AK-wielding Axolotls. Blast your way through the animal kingdom with an arsenal of kick-ass guns, mighty power-ups and even raise an army of trigger-happy baby axolotls. 🔫🔫 Double the firepower! Local co-op update now live!
Play Abathor Atlantis Landing and relive the glory of arcades in this action platformer for up to 4 players.
Take up your weapon in this RPG bullet-hell world and embark on a journey to right wrongs from long ago. Only you can defeat the evil forces of the Undying guardians and reunite the world with the fabled Archvale.
Aeterna Noctis is a challenging metroidvania that majestically combines action, exploration and adventure. With 2 game modes and difficulty based on action or the exclusive Noctis mode where a level of difficulty is added in precision platforming never seen in the metroidvania genre.
PICO PARK is a cooperative local/online multiplay action puzzle game for 2-8 players.
Delve with Shovel Knight into the depths of the Pocket Dungeon in an action-packed puzzle adventure mashup like none other!
LOST EPIC is a 2D side-scrolling action RPG about a war between gods and humanity. The player becomes the deity-defying knight, God Slayer, and explores the world known as Sanctum to bring the Pantheon of Six to their knees.