Work together and watch out for friendly fire. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Helldivers 2 is a co-op game that's coming to PC ...

Helldivers 2 has only been out for a handful of days, but already its community is working to establish the “unspoken” rules of engagement, with an etiquette for good co-op play. For the uninitiated, ...