263 Hold the Horde · Online co-op games your group can play together online, including Sven Co-op, The Gate Must Stand, and EARTH DEFENSE FORCE 6.
All games: 24
Fight through connected Half-Life campaigns and a wide range of community maps with friends online or over LAN. Revive teammates, solve map-built puzzles, and keep your group moving together.
Fend off brutal waves of demonic hordes in this epic fantasy tower defense survivors like! Hack and slash among the action or zoom to strategically control the battlefield. You are the city’s last line of defense, build your base, defend the gate!
Live the future of despair.The year is 2024 AD. The survivors fought against the remaining threats while trying their best to continue their recovery.Three years passed in the year 2027. In a new world without hope, the time has come to once again resist the fate of the Earth.
Shoot, hack and grind your way through waves of sentient office appliances in Megabonk-like roguelite action. Level up, unlock upgrades and play in singleplayer or up to 4-player coop while 360 no-scoping on an office chair!
Become the bullet hell as a Capybara in this roguelite adventure! Brave the chaos solo or with up to 4 friends, forge your path through hordes of enemies, gather capy-powering weapons & skills and embrace your inner capybara in this action-packed bullet heaven frenzy!
33 Days till Extraction is a top-down sci-fi action RPG shooter with roguelike progression. Harness brutal firepower and necromantic skills to survive.
Blast through a cursed nightmare solo or with up to 3 friends. A retro-inspired FPS where looter shooter weapons meets boomer shooter chaos and rogue-lite elements.
Up to four players fight through Skaven-overrun Ubersreik in a co-op campaign shaped by distinct heroes, shared danger, and loot dice.
The critically acclaimed Vermintide 2 is a visually stunning and groundbreaking melee action game pushing the boundaries of the first person co-op genre. Join the fight now!
Insurgency: Sandstorm is a hardcore tactical FPS built on lethal close-quarters combat and ruthless intensity. Every bullet count, every step matters, and teamwork is your only path to survival in the brutality of modern warfare.
VEIN is a post-apocalyptic survival multiplayer sandbox game. Gather supplies to survive, explore abandoned buildings, defend your home, and rebuild society, whether alone or with friends.
Paradise isn't exactly what you hoped for: it's infested with zombies! Thankfully, you can control them. Capture them and teach them to farm or fight. They will help you defend our camp while you explore the world looking for… a new paradise.
Welcome to the zombie apocalypse experience of a lifetime – more beautiful than ever. Caught in an epic zombie outbreak on the tropical island of Banoi, your only thought is: Survive!
Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world.
Team up as survivors, scavenge weapons, and barricade rooms while player-controlled zombies close in. Zombie Panic! Source is online PvP with cooperative play inside each team.
Rip through hostile alien worlds, harvest mutant body parts mid-combat, and adapt faster than your enemies. Every alien you harvest gives you new body parts with unique powers, like triple-jump legs, turret-dropping torsos, grenade-launching turkey heads. Steal, swap, survive.
In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem.
This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.
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!
Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.
Welcome to the zombie apocalypse experience of a lifetime – and now more beautiful than ever. Caught in the midst of an epic zombie outbreak on the tropical island of Banoi, your only thought is: Survive!
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.
Defend generators, buy upgrades between waves, and bring up to four friends into the original five-player co-op modes of ORION: Prelude.
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.