Photo: Terraria

Total Nerd The 20+ Best PC Online Co Op Games on Steam  

Ranker Games
43 votes 5 voters

Looking for good PC online co op games on Steam? Look no further, as we're ranking the best Steam online co op games that you'll definitely find worth your time. The Steam Store can be frustrating to browse, as they often are too gratuitous with their tagging system. To ensure that you find exactly what you're looking for, browse this list of the best online co op PC games on Steam.

In cooperative gameplay or a co op game, it's all about teamwork. In the 2D co op game Terraria, players explore, build, and engage in combat, all within a sandbox. Rec Room is categorized as a virtual social club where you play active games, like paintball or charades, with friends both local and from afar. Cooperative gameplay for the co op game Rec Room takes on the form of cooperative adventures.

Vote up the online co op games on Steam that you would recommend to other gamers, and downvote anything you played but didn't enjoy.

list ordered by

1
3 2
Rocket League is listed (or ranked) 1 on the list The 20+ Best PC Online Co Op Games on Steam
Rocket League

2
2 1
Terraria is listed (or ranked) 2 on the list The 20+ Best PC Online Co Op Games on Steam
2011

3
1 1
Borderlands is listed (or ranked) 3 on the list The 20+ Best PC Online Co Op Games on Steam
Borderlands

4
1 1
Borderlands 2 is listed (or ranked) 4 on the list The 20+ Best PC Online Co Op Games on Steam

5
1 2
Trine 2: The Complete Story is listed (or ranked) 5 on the list The 20+ Best PC Online Co Op Games on Steam
Trine 2: The Complete Story

6
0 1
Sanctum 2 is listed (or ranked) 6 on the list The 20+ Best PC Online Co Op Games on Steam
Sanctum 2

7
0 1
Trine Enchanted Edition is listed (or ranked) 7 on the list The 20+ Best PC Online Co Op Games on Steam
Trine Enchanted Edition

8
0 1
Torchlight II is listed (or ranked) 8 on the list The 20+ Best PC Online Co Op Games on Steam
Torchlight II

9
0 1
Blood And Bacon is listed (or ranked) 9 on the list The 20+ Best PC Online Co Op Games on Steam
Blood And Bacon

10
0 1
Shift Happens is listed (or ranked) 10 on the list The 20+ Best PC Online Co Op Games on Steam
Shift Happens

11
0 1
Secrets Of Grindea is listed (or ranked) 11 on the list The 20+ Best PC Online Co Op Games on Steam
Secrets Of Grindea

12
0 1
Ibb & Obb is listed (or ranked) 12 on the list The 20+ Best PC Online Co Op Games on Steam
Ibb & Obb

13
0 1
Alien Swarm is listed (or ranked) 13 on the list The 20+ Best PC Online Co Op Games on Steam
Alien Swarm

14
0 1
Magicka is listed (or ranked) 14 on the list The 20+ Best PC Online Co Op Games on Steam
Magicka

15
0 1
Killing Floor is listed (or ranked) 15 on the list The 20+ Best PC Online Co Op Games on Steam
Killing Floor

16
0 1
Don't Starve Together is listed (or ranked) 16 on the list The 20+ Best PC Online Co Op Games on Steam
Don't Starve Together

17
0 1
Rec Room is listed (or ranked) 17 on the list The 20+ Best PC Online Co Op Games on Steam
Rec Room

18
0 1
Left 4 Dead is listed (or ranked) 18 on the list The 20+ Best PC Online Co Op Games on Steam

19
0 1
Supreme Commander: Forged Alli... is listed (or ranked) 19 on the list The 20+ Best PC Online Co Op Games on Steam

20
0 1
The Orange Box is listed (or ranked) 20 on the list The 20+ Best PC Online Co Op Games on Steam

21
0 1
Left 4 Dead 2 is listed (or ranked) 21 on the list The 20+ Best PC Online Co Op Games on Steam

22
0 1
BattleBlock Theater is listed (or ranked) 22 on the list The 20+ Best PC Online Co Op Games on Steam

23
0 1
Portal 2 is listed (or ranked) 23 on the list The 20+ Best PC Online Co Op Games on Steam
2011

24
0 1
Saints Row: The Third is listed (or ranked) 24 on the list The 20+ Best PC Online Co Op Games on Steam

25
0 1
Total War: Shogun 2: Fall of t... is listed (or ranked) 25 on the list The 20+ Best PC Online Co Op Games on Steam

26
0 1
Orcs Must Die! 2 is listed (or ranked) 26 on the list The 20+ Best PC Online Co Op Games on Steam
Orcs Must Die! 2 2012

27
0 1
Sonic & All-Stars Racing Trans... is listed (or ranked) 27 on the list The 20+ Best PC Online Co Op Games on Steam

28
0 2
EARTH DEFENSE FORCE 4.1 The Sh... is listed (or ranked) 28 on the list The 20+ Best PC Online Co Op Games on Steam
EARTH DEFENSE FORCE 4.1 The Shadow of New Despair

29
0 2
Garry's Mod is listed (or ranked) 29 on the list The 20+ Best PC Online Co Op Games on Steam

30
0 2
Castle Crashers is listed (or ranked) 30 on the list The 20+ Best PC Online Co Op Games on Steam