How do you access(SPOILERS?)

[Autosaver]

[spoiler:41a7919248]Blue Mountain. Its in the official time attack. So how do you get it? D: Also did SonicT(Or ShadowHog?) have to do with anything..like naming Pandoras box?[/spoiler:41a7919248]

 

[bob_the_flying_monkey]

In multiplayer type in the console "map map17"