more interesting dungeons
like, skyrim dungeons. but with less 'stone' and more 'metal'
also WAAAY more forgetin types of enemies. like, i'm talking borderlands levels, but mostly with robots because this is the retro-future and if it isn't a mutant, it is a robot
you know what? forget it. i want mutants with steel skin that fight using razor-sharp sickle blades attached to their forearms, and then i want to go into the horrible factory/spawning pod system/crazy mutant hive that they came from and fight their super-sized matriarch in an amazing-ass boss fight with depth and intrigue and adaption on-the-fly. someone make concept art of that? send it to bethesda.
also, boss battles that are actually worth something. like, multi-phase bosses, or maybe bosses that like to run away from the player or something. as long as they're more intricate then "SHOOT THIS DUDE IN THE FACE OKAY? OKAY"