Oblivion holds a special place in my heart as the first elder scrolls game I played and as one of the few games that rewarded players that jumped everywhere they went. My mind was kinda blown the first time I saw athleticism or acrobatics level up just from jumping from one place to another.

And I have fond memories of getting into the mage's guild and making a custom spell that increased acrobatics to a crazy level and then jumping around the roofs of that section of the town. That was the last time I played the game, actually. It came out early in my WoW addiction and interrupted the addiction for a month or so, but then I got pulled back into WoW and ended up going pretty hardcore with the character I rolled on my return and didn't have time for... well, anything else lol.