Whether you're hitting a couch co-op sesh or logging in with three other people, try picking up one of these co-op titles.

The Warhammer 40k Dawn of War Definitive Edition is a full remaster with all expansions included, and it’s cheap if you own the original.

I’ve found my new favourite book, only it’s interactive and I choose where it goes, if the constables will let me.

Any one of these games would be a good deal on its own for $14.99. If you missed out on the Steam Summer Sale, which ended on ...