think of it liek this:
midevil age type
magic
weapons (swords, war hammers, bow & arrow, claymores (2 handed swords), axes etc...)
armor
clothing
diffrent races (w/ diffrent abilitys)
storyline and subquests (up 2 u on subquests)
guilds 2 join (mages guild, fighters guild etc...)
and more!
watch some vids on it, ud liek it ^_^