2011 April Fools

A list of Blizzard's 2011 April Fools.

Official

 * Diablo III - Horadrapp
 * Dungeon Preview: Tomb of Immortal Darkness
 * Introducing Crabby: The Dungeon Helper - Crabby also makes an appearance on the WoW Battle.Net forums and on the WoW Launcher.
 * StarCraft: Motion Overdrive
 * World of Warcraft Patch 4.1.11 Preview
 * Starcraft II: Wings of Liberty Patch 1.4.11

Fansites

 * MMO Champion
 * WoW 5.0: Panda-mania
 * Wings of Chaos and Divine Wings on the Blizzard Store
 * Wowhead
 * Implemented Post Credibility, an indicator of how credible a forum post is.
 * Changed name to Rifthead, due to "WoW [being] a game that's rife with conflict and its resolution, a game enveloped in rifts and their closures."
 * Announced that armor dyes are arriving in patch 4.1, sold by the NPC "Delicia Fay" in Booty Bay.
 * Paragon released a sneak peek of the fight with Ragnaros.
 * WoWInterface introduces the WoWInterface Authenticator, required for authors to upload files and users to download files.
 * WoWAce introduces a new Hello WoWAce! theme that is pink.
 * Warcraft Pets announces that Blizzard has implemented Companion Loyalty.