1,418 2D games your group can play together online, including Realm of the Mad God Exalt, Cortex Command, and Terraria.
All games: 24
Join friends in Realm of the Mad God Exalt for crowded online boss fights, branching dungeons, 19 classes, and permanent character loss when a hero falls.
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.
Explore a floating island, fight through its caves, and take on Cave Story+ with one friend in local two-player co-op.
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 a friend for two-player Survival, where you fight through escalating enemy waves, protect supply caches, and turn each arena into a weapon.
Every activity in Puzzle Pirates is a uniquely fun puzzle: be it sailing, gunning, or hauling treasure, your own puzzling skill determines your success!
Throw a grenade down memory lane with the original and classic turn-based strategy game Worms™! Up to 4 teams of worms do battle over an ever-changing battlefield with falling weapon crates, crazed exploding sheep and more besides. Winner of many industry awards, find out what all the fuss was about.
Shank’s separate two-player prequel puts you in a local side-scrolling brawl of weapon combos, tag-team attacks, and co-op bosses.
Ten years on from Worms™ Armageddon and the turn-based comic mayhem continues in Worms™ Reloaded, an all-new edition available for PC through Steam.
Fly custom cooperative maps with friends on the community-run Alti+ Coop server, or take Altitude’s standard modes into competitive aerial matches.
Beat Hazard turns music from your library into a colorful twin-stick shooter, with two-player local co-op in the base game and online co-op in its optional Ultra DLC.
Join up to seven friends in a long strategy campaign against two AI empires. Expansion helps your resistance, but destroying key enemy infrastructure can draw more attention.
A turn-based online fantasy card game. No character leveling, no grinding, no deck building - just 100% skill-based and fast-paced card battles!
Command one of six world regions as radar, fleets, bombers, and nuclear silos turn DEFCON's tense alliance game into a contest to lose the least.
--Main Stage Game at Evo 2022!-- The ultimate Skullgirls experience: Featuring 14 hand-animated characters, fully voiced story mode, countless palettes, and unparalleled GGPO-based multiplayer netcode.
The base game has two-player local co-op; Synchrony adds four-player local and up-to-eight-player online sessions. Every move has to land with the beat.
Defend against waves of alien monsters in this unique roguelike action miner. Dig for resources, collect useful gadgets, and upgrade equipment to increase odds of survival – just hurry back before your dome is destroyed!
The Two of Us is a 2D Co-op Platformer that has a strong emphasis on working together. You will be greeted with various puzzle levels where you must work in conjunction with your friend to navigate the level.
A spy-chicken tries to save the world from doom in this runner/shooter game that has a little bit of everything with a touch of chicken and anime girls on top. Run for your life in 6 different worlds and shoot your way through tons of enemies until you become a legend.
Never Split the Party is an ultra social rogue-like! You're one of four adventurers joining together to explore a procedurally generated dungeon, amass powerful upgrades, and cooperate with your fellow adventures to conquer and crush the evil dungeon champions!
Brawl it out with your Nickelodeon favorites in epic platform battles.
The classic web game, reborn! Enjoy this remaster in glorious 4k resolution! Follow this frog on its arcade action adventure through swarm of bugs and beyond! Purchase the hat DLC for the ultimate experience, if you want to eat bugs while wearing a hat!