1,793 Action · Online co-op games your group can play together online, including CounterAttack: Uprising, Battle Tanks: World War II, and Capcom Beat 'Em Up Bundle.
All games: 24
CounterAttack: Uprising is a side scrolling space shooter (shmup). Team up or fight solo, 1 - 4 player local or up to 8 players online cross-platform coop, unlock upgrades, use powerful ultimate abilities, enhance your ship the way you want, and save the Earth from annihilation.
Are you ready to fight? Download this incredibly addictive tank game right now! Choose a tank and fight with your friends in dynamic real-time battles.Meet the legendary tank shooter Battle Tanks! Show the whole world who's in charge here!
Relive the glory days of cooperative arcade games with the Capcom Beat 'Em Up Bundle! This comprehensive collection includes seven classic titles, each with various multiplayer options and online capabilities!
Heroes of Hammerwatch is a rogue-lite action-adventure. Explore and battle your way through procedurally generated levels on your own or with up to 3 friends.
Call to Arms offers an innovative mix of real-time strategy and 3rd, as well as 1st person controls. Set in the time of modern warfare, the game offers realistically modeled vehicles and heavy weaponry. Command your troops to victory or fight by yourself in the 3rd or 1st person action mode.
Enter the Chaos-infested Caligari Sector and purge the unclean with the most powerful agents of the Imperium of Man! W40k: Inquisitor – Martyr is a grim Action-RPG featuring multiple classes of the Inquisition who will carry out the Emperor’s will.
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Vagante is an action-packed platformer that features permanent death and procedurally generated levels. Play cooperatively with friends both locally and online, or adventure solo in this challenging roguelike-inspired game.
The forces of Lustria await your command. Choose your Legendary Lord, expand your armies, forge alliances in a strategic turn-based campaign, and unleash the might of your monstrous forces in fast-paced real-time battles.
In this fast-paced, turn-based, co-op adventure you'll quest and explore, find awesome loot, customize your fighters, and recruit strange species! Come master your destiny in this strategic game of positioning.
DESOLATE is a first person horror survival experience. Form a research team with up to 4 players and explore an open world filled with mysteries and unsolved questions, or do it all on your own.
AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious!
Start your heroic saga today in a world full of magic and excitement: Choose your race, build a home and discover the fantastic world of Taborea in the classic free-to-play MMO!
Unturned is an open-world zombie survival sandbox game. As one of the few not yet turned, you must fight to remain among the living.
An epic platform fighter for up to 8 players online or local. Try casual free-for-alls, ranked matches, or invite friends to a private room. And it's free! Play cross-platform with millions of players on PlayStation, Xbox, Nintendo Switch, iOS, Android & Steam! Frequent updates. Over sixty Legends.
Shape your citizen, forge your destiny and sculpt your world in this epic voxel sandbox MMO built on endless possibility.
Immerse yourself in thrilling naval battles and assemble an armada of over 800 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!
VTOL VR is a near-futuristic combat flight game built for Virtual Reality. Pilot advanced multi-role jets, using your hands to flip switches, press buttons, and manipulate the virtual flight controls.
Welcome to the Blood Party! Play together with up to 3 people and compete in deadly game shows. Customize your zombie, build your own levels, share them via Steam Workshop and die a lot.
From the multi-award-winning strategy series, A Total War Saga: Thrones of Britannia combines huge real-time battles with engrossing turn-based campaign, set at a critical flashpoint in history. Anglo-Saxons, Gaelic clans and Viking settlers clash for control. What Kingdom will you build?
Space Hulk: Deathwing - Enhanced Edition is a First-Person Shooter based on Games Workshop’s cult classic board game set in Warhammer 40,000 universe. Expanding upon the original game, and featuring a host of new content, new features and a richer multiplayer mode.
"KurtzPel is an anime-styled, action battle game from a third-person perspective. Players can battle it out in both PvP and PvE mission-based battle modes with massive boss monsters. Players utilize Karmas (the method used to indicate weapon and class types) when charging into battle. Each character gets to use two types of Karmas.
Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.