Endings are really not that important right now. They are pretty much a black screen with some text at the bottom. The most important part are your stats and resourcess you have when you end the game and you unlock new outfits and cheats depending on those. For example, if you have something like 999 food, you unlock an item that gives you pretty much unlimited food for your next playthrough. Or if have above 100 in any ranged skill, you unlock ammuniton dispenser which gives you free ammo. Ending the game with certain skill levels unlocks new outfits.
I will check the hangout options. Some NPCs still have them without them actualy working.