1,887 Singleplayer Action games your group can play together online, including PixelJunk™ Shooter, Divekick, and Monaco: What's Yours Is Mine.
All games: 24
In PixelJunk™ Shooter, you must pilot your spacecraft through a range of cavernous environments in a bid to save the scientists trapped underground. Making your way through the game will rely on your keen sense of observation and the ability to manipulate your surroundings.
Divekick is the world’s first two-button fighting game. It distills the essence of the fighting game genre into just two buttons with no d-pad directional movement. Includes two extra playable characters: Fencer from Nidhogg and Johnny Gat from Saints Row!
Case guarded buildings, grab the valuables, and escape together in Monaco: What's Yours Is Mine, a top-down heist game for up to four players online or on one screen.
From the creators of Amnesia: The Dark Descent and Dear Esther comes a new first-person horrorgame that will drag you to the depths of greed, power and madness. It will bury its snout into your ribs and it will eat your heart.
Defend generators, buy upgrades between waves, and bring up to four friends into the original five-player co-op modes of ORION: Prelude.
A deep, tactical shoot'em up. With every takedown, you’ll earn cash and xp to upgrade your ship and unlock new abilities. Online and local co-op. Unique versus mode. Realistic physics and water simulation.
Multiplayer is designed for up to ten players, with online and LAN co-op or PvP modes; build empires together against AI rivals and choose from six factions and several match endings.
Legends Unite! The Dynamic Duo of Batman and Robin join other famous super heroes from the DC Universe including Superman, Wonder Woman and Green Lantern to save Gotham City from destruction at the hands of the notorious villains Lex Luthor and the Joker.
Defend magical rifts with a friend in a two-player action tower defense game built around traps, weapons, and fast-moving orc waves.
Leap into a beloved platforming adventure that moves like a living cartoon. Punch, glide, and explore 60+ levels across the Glade of Dreams, solo or with up to three friends in local co-op.
Evil has returned! Demonic powers are manifesting themselves as a myriad of dark creatures, fighting over the fates of imprisoned souls caught in Purgatory.
Take on a colorful, weapon-packed FPS campaign with friends online or over LAN, then swap monster waves for versus play.
Build defenses with up to three friends, then fight beside them as monsters swarm the crystal. Dungeon Defenders mixes tower strategy, action combat, and a long trail of character and gear upgrades.
Choose between different factions, with their own set of expendable soldiers, mechas, and weapons. Protect your brain, mine gold, and destroy the enemy cortex in his bunker complex!
Mine, build, and take on a changing world with your friends in Terraria. A desktop server starts with 16 online player slots; explore for better gear, then bring it into boss fights and invasions together.
Giana Sisters: Twisted Dreams is a blistering hardcore platformer with contrasting worlds.
Contains full Rising Storm content as well!
Take on the role of a hardened career criminal executing intense, dynamic heists in constant pursuit of the next “big score”
Blast through Serious Sam 3: BFE’s campaign with up to 16 online players or four people in local split-screen, against waves of monsters in Egypt.
Apogee Software and Interceptor Entertainment proudly present the rebirth of the cult-classic first-person shooter, “Rise of the Triad”. Bigger, better and more ludicrous than ever before.
Explore a floating island, fight through its caves, and take on Cave Story+ with one friend in local two-player co-op.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
Sharpen your axe, string your bow, brew your potions! Ancaria needs heroes like you. Grab your friends to join the resistance!The once peaceful land of Ancaria is in grave danger. The evil Ashen empire has enslaved its population and is using the orc-like Grimmoc to wipe out the Seraphim, who swore to protect it.
Join The Mobile Trench Brigade and protect humanity from the evil Monovision menace!