Guys i have minecraft 2.0
YES it is downloaded but it's a beta and gust a prank
get the jar here, and make a copy of your minecraft folder so you wont loose all your data
http://www.mediafire.com/?yacvi80ypyxyoai
and see the info here
http://www.minecraftwiki.net/wiki/Minecraft_2.0#Downloads
Mess with the best, die with the rest
"Update: April fools! 
I know your english isn't really good, but I didn't know it was that bad... :O
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and it's not a joke some players has already try'ed it becase mojan let them test it
Mess with the best, die with the rest
they handed it out april first to a select group of minecraft commentators as a "closed alpha" and probably said act like it's real for today to make it seem more likely, and really super hostile game mode XD also it says update:april fools on the top
Playing games for the graphics is like watching p0rn for the story