going to be high in approximately 15 minutes

[Plug Drugs]

it's called a 'sequel'. oblivion was essentially just a rehash of morrowind with a new map pack and minor gameplay tweeks. morrowind was essentially just a rehash of daggerfall with a new map pack and minor gameplay tweeks. daggerfall was essentially just a rehash of arena with a new map pack and minor gameplay tweeks.

i don't know about the morrowind daggerfall comparison, seem like totally different games to me.
But Oblivion compared to morrowind is pretty true, but its even truer with skyrim vs oblivion. They are getting lazier with each sequel it seems like