If some players enjoy current version of survival mode, you might consider
adding a new mode, hardcore one. The base of this mode consists in rare and
balanced loot. That's very important.
- Loot has to be at that point where players have to scavange hard to find a
weapon, scavange harder to find a better weapon and so on.
Apart from weapons, all the loot has to be rare. Just add possible loot spawns
to all buildings players can enter, cause I've seen a lot of empty buil