3,441 Action games your group can play together online, including Landfall Archives, Paper Planet, and World War Armies.
All games: 24
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
Paper Planet is a chaotic arcade roguelike for 1-4 players, with a Flash-inspired art style. Defend your planet from waves of bullet hell doodles attacking from every direction. Combine wacky items and break the game with absurdly overpowered builds!
World War Armies is the ultimate PvP real-time strategy game. Command advanced war machines and compete for free against other players worldwide. Revolutionary mechanics reduce downtime and focus on direct engagement with the enemy, you get to the fun parts of RTS faster.
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!
ARK is reimagined from the ground-up into the next-generation of video game technology with Unreal Engine 5! Form a tribe, tame & breed hundreds of unique dinosaurs and primeval creatures, explore, craft, build, and fight your way to the top of the food-chain. Your new world awaits!
A gritty, non-stop blood bath from the creator of Insanity's Blade, Super Battle Princess Madelyn and the recently released GuardGrave. And a parody of beloved 60s and 70s classic action films, heroes and villains. Deathwish Enforcers... There's gonna be hell to pay!
Welcome to Suthseg! As the newly commissioned airship captain, forge a mercantile empire across the archipelago, until the great powers of Europa turn their attention toward it. Build up a fleet, chart trade routes, establish industries, and explore the frontier at your airship's helm!
Legendary ninjas reunite in the next exciting entry of the STORM series! NARUTO X BORUTO Ultimate Ninja STORM CONNECTIONS is an action/fighting game with fast-paced ninja battles and two different story modes.
Join machine hunter Aloy as she leads a colourful crew of heroes on a quest to save the world and learn the secrets of her past. Dive into boundless adventure, customize to your heart’s content, and take on action-packed battles solo or with friends.
TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment
A visually lifelike co-op horror game for 1-6 people. Journey through 11 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms.
Share the love and die trying! KarmaZoo is a joyful, altruistic, cooperative platformer where up to 10 random players help each other with the unique abilities of 50 different characters - all for the sake of good Karma.
The Classrooms is a procedural, liminal-space, found-footage, survival horror game. Explore The Classrooms and discover the various anomalies it contains; from malicious entities, to harmless oddities. And remember, it's different every time you play, so your found footage is uniquely yours.
Enter a living post-apocalyptic sandbox where the world doesn't wait for you. Build, craft, trade, earn the trust of factions, and forge your own path through a brutal procedural wasteland.
Backrooms Society is a 1-8 player co-op horror game. Make your way through unique levels of the backrooms while trying to survive and avoid mysterious entities. Scavenge each level for gear and resources, bring it back to The Hub where you can sell valuables and buy/craft new gear.
River Tails: Stronger Together is a 3D co-op adventure platformer designed around an asymmetrical co-op system. Teammates must work together to defeat end-of-level bosses and solve puzzles across a range of natural-world environments. All you need is communication, coordination and complete trust!
The new 3D Waifu Sci-Fi RPG Shooter is here! Aim at fate, fight by our side! Clear the specified stage to claim an Orange-Tier Operative!
It’s 1968 in Vietnam, the time to “Make War Not Love”. Side with the Viet Cong or U.S. Army in this intense, fast-paced FPS set in the Vietnam War — now with co-op zombie mode. Choose from 300+ weapons of destruction. Kill or be killed!
Defend the fortified beaches of Pacific against invading forces in this WW2 FPS game as the enemy attacks you with troops, tanks, planes and more! Play on your on own or COOP while using iconic Japanese and American WWII weapons and prepare your defenses with mines, explosives, and more!
Silica blends FPS and RTS in epic, photorealistic battles. Choose to fight on the ground or command from above as humans or aliens. Dive into thrilling multiplayer combat or master strategic command. Are you ready to survive and conquer?
Experience a festival of fandom like never before in Funko Fusion! Play through iconic worlds and mashup characters inspired by some of your favorite franchises in an action-adventure game with uniquely authentic, irreverent humor from the creative minds of 10:10 Games.
Operation: Harsh Doorstop is the ultimate, free to play, tactical shooter sandbox. Play singleplayer, multiplayer, or co-op modes and explore thousands of community-created maps, weapons, and vehicles via the Steam Workshop. Created by developers of the cancelled Project Reality 2 project.
A deliciously addictive core of finger-blistering shooting action, surrounded by delectable morsels of galactic exploration, spacecraft customization, and community competitions.
In a labyrinth surrounded by vicious monsters, Explorers must rely on their Lasso to survive! Capture and tame ANY monster to leap, glide, surf, tunnel and websling through a treacherous, patchwork maze. This roguelike/metroidvania seems cute, but it’s a deceptively difficult bullet-hell challenge!