A must if you want to play locally, a Nono if you don't have friends/don't want to play locally.

Expensive, but worth it. I bought a extra Controller to be able to play with my Friends in local games. For me it's totally worth it, but do beware: if you do not wish to play with other people locally there is no need for buying an extra controller(every ps4 comes with a standard issued black Controller). Also watch out if you have sweaty hands, the plastic grip can start smelling(not pungent, just a bit) easily if you play a lot with sweaty hands. Otherwise great Product 7/5 would recommend.