Helldivers 2's popularity increased when Arrowhead Game Studios asked players to not play the game because the servers couldn't handle it.
It could just be the divers getting the heebie-jeebies, but it looks like Arrowhead could be teasing the squids doing a thing.
The Helldivers 2 community wants Arrowhead Game Studios to add this one feature that would make the co-op experience much more immersive.