This should show you search results for the highest rated co-op games on Steam. You may want to use the tag "online co-op" instead if you will be playing online or just check the game and make sure it does what you want, online or local co-op.
http://store.steampowered.com/search/?sort_by=Reviews_DESC&tags=1685&category1=998
Comment has been collapsed.
I don't know about price on other sites but I recommend BattleBlock Theater
Comment has been collapsed.
Castle Crashers goes for pretty cheap. You can't go wrong with that
Comment has been collapsed.
Killing Floor, Killing Floor 2, Saints Row: The Third, Portal, Portal 2, Borderlands 2...
Comment has been collapsed.
268 Comments - Last post 3 minutes ago by fourtonmantis
16,871 Comments - Last post 7 minutes ago by VicViperV
15 Comments - Last post 9 minutes ago by wigglenose
320 Comments - Last post 57 minutes ago by Atombomb2097
29 Comments - Last post 2 hours ago by Peiperissimus
2,684 Comments - Last post 2 hours ago by orono
37 Comments - Last post 2 hours ago by Gruntp
2,779 Comments - Last post 3 minutes ago by nellyneko
430 Comments - Last post 4 minutes ago by Oppenh4imer
412 Comments - Last post 5 minutes ago by Mhol1071
91 Comments - Last post 5 minutes ago by Moony1986
44 Comments - Last post 7 minutes ago by nubux
96 Comments - Last post 9 minutes ago by sesito71
34 Comments - Last post 13 minutes ago by Cactus123
Hello, i'm looking for a game that's cheaper on websites like G2a so i can buy me and him a copy and send him it, then we play together, know any good co-op games?
Roughly lowered price on g2a or any other websites to like 2£
Comment has been collapsed.