The Online Co-Op games people play most on Steam right now, the best rated of all time, and the best deals. Browse every Online Co-Op game →
Terraria96.3% rating · 1,249,720 reviews
Left 4 Dead 296.2% rating · 825,140 reviews
Bloons TD 696.0% rating · 352,760 reviews
Split Fiction95.4% rating · 79,630 reviews
Garry's Mod95.3% rating · 1,100,319 reviews
WEBFISHING95.3% rating · 57,419 reviews
Baldur's Gate 395.2% rating · 760,728 reviews
BattleBlock Theater®95.2% rating · 55,871 reviews
