Measured by revenue, Skyrim was the second best selling game of 2011 (topped only by Activision's Call of Duty: Modern Warfare 3)

Within the first month of its release in November, Skyrim shipped more than 10 million units

Skyrim generated more that $650 million in retail sales during its first 30 days on the shelves, and Bethesda says "those results have increased substantially."

Steam data indicates the average Skyrim gamer has spent more than 75 hours in game Skyrim outsold all other PC games by a factor of 3-1 in November, making it the fastest selling title in Steam's history

It's a match made in PC gaming heaven: The Creation Kit for Bethesda's The Elder Scrolls V: Skyrim and Valve's Steam Workshop. And the dream couple has wasted no time sealing their nuptials. In just one week, the pair has already spawned 2,500 Skyrim mods, and PC gamers have pounced on them to the tune of 2 million downloads.Bethesda parent ZeniMax Media spread the good Skyrim-Steam-Workshop word this morning, providing a number of other stats that demonstrate how the open-world RPG has become a worldwide gaming phenom: