Re: WTF is going on in that picture??
That got my attention also, but notice that there are two floor levels pictured here. The 'slide' is a stairway up-down. At least, that's my hope...
The boxes... Well, given my work history, that's where the managers retreat to. They may be _labeled_ meeting rooms, but we know what'll happen.
The roof under the roof, two possibilities. First, the nature lovers still wouldn't want to be blinded by the sun, so I gotta believe they are sunshades. Second, like opera and concert houses, you want the noise diffused, so strategically place curved ceiling panels. Of course, I can't stand open plan offices so this looks more like a mega-McDonalds than a workplace.
As for the Dalek, and the explosion beyond that, these are all aids to mental concentration I'm sure.
All in all unless this is solely where accounting or management are supposed to be playing, upon walking into this I'd walk straight out again, saying I've got actual work to do so call me at home.
BTW: I'd assume that surveillance cameras will be used, else there'll be slingshots and marbles ho-ho! Paintball too teehee!