GamesRadar writes: "In the original Diablo, rumors of a “secret cow level” spurred on conspiracy theories that, eventually, led to the creation of an actual Cow Level in Diablo II. While Diablo III doesn’t feature the popular map, it has something arguably sillier – Whimsyshire. The secret world is essentially the same as D2’s bovine-filled paradise, but requires a few more hoops to be jumped through before it’s opened. We’ve navigated said hoops and now have a full guide to opening up the path to the whimsical world.
Spoilers for Diablo III included, obviously..."