13 Action · Moddable · Survival games your group can play together online, including Scrap Mechanic, Barotrauma, and Space Engineers.
All games: 13
Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
Share a Creative or Survival world in Space Engineers, where your group turns mined resources and block-by-block ideas into ships, bases, and missions.
Go on a trip through time! Experience the freedom of traveling into any date, hour and minute in time between the years 1 and 3033 AD! Help your best friend Edward in his scientific affairs! Watch out for the Time Agents & avoid yourself!
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!
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.
Crashday, the explosive cult classic multiplayer racer, is back! Retooled and remastered, Crashday: Redline Edition brings back the fun and memories of the original with this lovingly crafted tribute edition, featuring all-new and expanded features, including Steam Workshop support. Today is Crashday!
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.
Battle other 2D stickfigures online while jumping around like a lunatic and getting blown up into smithereens. With over 70 weapons, Boring Man is the most chaotic and hilarious 2D online shooter on the internet.
Contagion mixes cooperative zombie survival, a story campaign, and player-versus-player modes. See how its online party, game modes, and older PC setup fit your group.
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.
Fight through infected hordes with up to three friends in Left 4 Dead 2, or face another team in eight-player Versus.
Progress with every slain monster, learn over 80 skills through talents, craft hundreds of items, and explore vast procedurally-generated worlds in this ever-expanding sandbox RPG!