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.
6 Comments - Last post 8 minutes ago by CrisR82
1,776 Comments - Last post 10 minutes ago by Gamy7
380 Comments - Last post 11 minutes ago by jacoz26
16,281 Comments - Last post 35 minutes ago by Abletoburn
20 Comments - Last post 1 hour ago by InSpec
71 Comments - Last post 1 hour ago by Reidor
7 Comments - Last post 2 hours ago by sensualshakti
7 Comments - Last post 19 seconds ago by Atro
3,363 Comments - Last post 2 minutes ago by Mhol1071
3 Comments - Last post 4 minutes ago by Alamar
9,518 Comments - Last post 6 minutes ago by Fluffster
7 Comments - Last post 6 minutes ago by Mhol1071
0 Comments - Created 8 minutes ago by erintesden
436 Comments - Last post 23 minutes ago by Vobix
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.