Online Co-Op · Real-Time games to play together

19 Online Co-Op · Real-Time games your group can play together online, including Nevergrind Online, TFC: The Fertile Crescent, and Godsworn.

All games: 19

Nevergrind Online

Nevergrind Online is the ultimate dungeon-crawl multiplayer blobber RPG focused on treasure hunting and slaying monsters! Create your hero and start climbing the ladder in normal mode—or, for those seeking the ultimate challenge, hardcore mode! No microtransactions ever!

86% positive of 1,222 reviewsPlaying now: 7$15.99

TFC: The Fertile Crescent

Gather resources, build your base, and lead your people to victory in this captivating reimagining of classic RTS, set in the Bronze Age. Secure fertile land, fend off raids, and stockpile food to generate knowledge and unlock powerful village advancements.

88% positive of 375 reviewsPlaying now: 5$10.99

Godsworn

Godsworn is a classic RTS with single-player & co-op focus. Experience an epic fantasy retelling of the Baltic Crusades set in a world inspired by pagan mythology. Choose a divine hero, rally worshippers alongside mythical creatures, and smite the unworthy!

92% positive of 812 reviewsPlaying now: 5$22.49

EMERGENCY

Save lives – be a hero! Join forces against the chaos in the newest title of the award-winning EMERGENCY series. Take up your shift as incident commander and coordinate with other players to fight fires, arrest gangsters and rescue injured civilians. Your city needs you!

69% positive of 7,043 reviewsPlaying now: 189Free

Per Aspera

Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting.

75% positive of 4,116 reviewsPlaying now: 64$7.49

Iron Harvest

A classic real-time strategy game with an epic single player campaign, multiplayer & coop, set in the alternate reality of 1920+

74% positive of 11,725 reviewsPlaying now: 87$29.99

AI War 2

The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.

87% positive of 1,131 reviewsPlaying now: 13$19.99

Zero-K

With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.

92% positive of 4,427 reviewsPlaying now: 136Free

EMERGENCY 4 Deluxe

Coordinate firefighters, police, medical personnel and specialists in the classic EMERGENCY 4 Deluxe! Now with the previously untranslated bonus missions in English.

92% positive of 2,041 reviewsPlaying now: 75$17.99

Ancestors Legacy

Ancestors Legacy is a squad-based real time strategy with a strong focus on tactics. Inspired by medieval European history, it brings to life four different nations and their conflicts, usually solved by war.

80% positive of 5,815 reviewsPlaying now: 33$34.99

SUPREMACY: WORLD WAR 3

This Long Term Strategy Game lets you take control of the armed forces of your nation. Become responsible for its military expansion, technological research and economic development. Form alliances and wage total war for global dominance on the battlefields of World War 3.

74% positive of 6,036 reviewsPlaying now: 395Free

EMERGENCY 20

Coordinate your team of first responders in the anniversary edition of EMERGENCY! Featuring 10 remastered classic EMERGENCY missions and three full campaigns, EMERGENCY 20 is the complete package for both experienced and new rescue commanders!

84% positive of 2,083 reviewsPlaying now: 36$29.99

Original War: Shared-Control RTS Battles With Friends

Join an online or LAN team match in Original War, where named specialists, base building, and map-specific rules turn a retro RTS into a hands-on group effort.

94% positive of 1,820 reviewsPlaying now: 44$9.99

The Red Solstice

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.

71% positive of 884 reviewsPlaying now: 1$9.99

Company of Heroes 2

Experience the ultimate WWII RTS platform with COH2 and its standalone expansions. This package includes the base game, which you can then upgrade by purchasing The Western Front Armies, Ardennes Assault and/or The British Forces. More info in the "About This Game" section below.

80% positive of 69,110 reviewsPlaying now: 0$19.99

Ikki Unite

SUNSOFT relapses... The legendary Bad Game Hall of Famer "Ikki" is back, and this time it's a multiplayer experience! You can't start a riot with just one or two people! Enlist up to 16 friends in this Roguelite madness... Ikki but united!

77% positive of 676 reviewsPlaying now: 0$11.99

Interstellar Transport Company

Build a galactic transportation empire and supply humanity with everything it needs to colonize the stars. In this sci-fi logistics simulator, grow your company from a local transport agency into an interstellar logistics behemoth! Singleplayer, vs AI, and online multiplayer.

64% positive of 397 reviewsPlaying now: 0$24.99

Colony Siege

Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.

90% positive of 199 reviewsPlaying now: 0$19.99

Galactic Lander

Inspired by the classic arcade Lunar Lander game, in Galactic Lander you control a delicate scientific spaceship which you must deliver from point A to point B, either alone, or with a friend in a co-op level, potentially made by the game's own Steam Workshop community!

91% positive of 123 reviewsPlaying now: 0Free