I don't really care about dieing before round 20 in solo, it is still easy to get my perks back and IMO round 1-20 are harder than the rounds afterwards.
I hate when I'm feeling so awesome about a game and it's going to great and then suddenly I get stucked and downed, and at the beginning of a round I can't get my perks back, so game over.
When I felt to make it high....
I do hate it also when I down at Ascension. I ALWAYS die at the left side of the stairs to PHD, next to the random box.
It is mostly easy with thunder gun, but it is a waste of ammo. Or I'm unlucky and don't have