852 2D · Action games your group can play together online, including Strinova, Paper Animal Adventure, and Rivals of Aether II.
All games: 24
Strinova is an anime-style third-person tactical competitive shooter. Switch freely between three-dimensional and two-dimensional forms in this one-of-a-kind game that offers a unique tactical shooting system for an unparalleled experience.
Paper Animal Adventure is a cute roguelike game where you can explore a colorful world, fight scary enemies, and relax with your friends at the campfire! Will you be the one to seal the timelines and find the missing king?
Rivals of Aether II is the sequel to the hit indie fighting game, Rivals of Aether. Play as both new and returning elemental fighters in the next generation of platform fighters.
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!
Step into the arena and choose your fighter! Experience the legendary origins of Mortal Kombat with the iconic arcade classics that started it all—alongside a curated selection of most-loved home versions and rare, fan-favorite releases—a celebration of the franchise’s groundbreaking legacy.
Challenge yourself and master 4 Distinct worlds with 66 finely tuned level screens and climb to the top of the Steam Leaderboards in this retro pixel art speedrunning platformer!
Mobmania is a four (4) player co-op real-time bullet-hell action rogue-like where you kill enemies, buy items after leveling up, and survive long enough against thousands of monsters and bosses until the final fight against the Witch.
Sixtar Gate: STARTRAIL is a rhythm game for keyboard set against a space exploration backdrop. Captain your science vessel alongside your navigator Shii as you explore the vast Sixtar system!
Enjoy action-packed flashy combat with incredibly satisfying combos and responsive controls! Numerous characters, each with completely unique playstyles and loads of unlockable moves & upgrades! This action roguelike sets the bar for fluid fast-paced action.
"There's something I can't tell you..." Explore new frontiers of co-op gaming in BOKURA: planet, a puzzle adventure game that you can only play with two players. Take on the role of a spaceship's exploration crew and try to escape from the red planet you crash-landed on.
Star Vortex is a fast-paced Action-RPG inspired by classics of the genre. Design your ship, fight through hostile alien sectors solo or with friends, salvage rare weapons and experiment with powerful builds until nothing can stand against you.
Blast through robotic hordes in this arena auto-battler rogue-lite Brotato-like. Use auto-firing weapons and drones, timely dashes and special abilities to reach the Void where a final Conservator awaits convergence. Spend your Cogs wisely within the varied shops to create unique builds!
Broventure = Vampire Survivors + Base building + Co-op. Band together with friends and obliterate hordes of grueling enemies, gather crucial resources, and transform your camp into a sanctuary of liberation.
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!
Players take turns in a race against the clock, utilising an array of spells to defeat their opponents in battle! Victory is accomplished by becoming the 'last man standing' (or last team) after all other players have been reduced to zero hitpoints.
Quest Master is a dungeon maker inspired by the classics that first made us love dungeon crawling. Unleash your imagination, alone or in local co-op, to make dungeons full of puzzles, traps and monsters. Upload them for others to explore and challenge yourself with other players’ creations.
Secrets of Grindea is an old-school Action RPG with co-op support for up to 4 players. Journey through fantastical lands and battle tons of different enemies and bosses in your quest for truth, friendship and, above all, finding the world’s rarest treasures!
A couch/online game where you battle your friends with unique and wild abilities. There are many choices such as a shrink ray, creating black holes, stopping time and attaching a rocket engine to the stage to send it flying. Choose a combination that synergizes well to win the round!
Blending deep Action RPG buildcrafting with roguelite action, Striving for Light lets you shape and customize an infinite skilltree. Hunt for powerful loot, craft and upgrade weapons to legendary power, slay hordes of enemies and challenging bosses in ever-changing dark worlds.
The newest riveting installment in the epic Under Night In-Birth saga rises from the Abyss! Improved visuals and battle system! Witness the curtain fall on the tale of the Hollow Night. Vie for supremacy through exhilarating combat and a deep, robust battle system!
A Top-Down Shooter/Looter RPG with a touching story inspired by JRPG classics. Shoot enemies, get loot, and customize your characters. Multiple endgame systems and over 100 hours of play await you solo or up to 4-player co-op!
Windowkill is a twin-stick shooter, but the game window itself is constantly closing in on you. Shoot the window edges to push it around your screen as you fight and dodge enemies and bosses in their own windows.
Take control of the demon sisters Kirika and Masha as they attempt to revive their Demon Lord Maxim and rebuild their castle in this 2D action Metroidvania adventure!
Carefully designed, beautifully remastered, and loaded with new ways to play—Risk of Rain is back and better than ever! Dive into the iconic roguelike full of unique loot combinations, enhanced with new Survivors, overhauled multiplayer, fan favorite content from Risk of Rain 2, and more!