Normally Elder Scrolls: Oblivion is $20 on Steam, which I think is worth it. Currently it is $5. That's four times worth it. That puts it at 1/12 the price of Skyrim.
Math says you should buy it and math is never wrong. Unless I forget my calculator and do it in my head. Then there are problems.
Wrapping your head around a mountain of MMO content
15 hours ago