Offline and Online Play

Helldivers offers 1 – 4 players, local and online co-op multiplayer for both PC and PlayStation. 

You can also play the game offline with 1-4 local players, however when played offline, mission progress will not contribute to the global Galactic Campaign.

PlayStation

If you are playing on PlayStation you can play using any combination of PlayStation systems, for example you can have two players on the PS4, one on the PS3 and one on the PS VITA.