Do the symbols at 1:30 in that video mean anything?
Someone here on deviant art claims to have a translation for all the symbols. By that reckoning the word above is "SUCESSFULLY" (sic), and the full message is as follows:
Greetings listener, you now have sucessfully unlocked our code. Thank you for ta ting thu time to do that as a re-ward: you shall re-cieve a treasure that suits your extra ordinary a bil ly ties. Please contact us through listener at the fat rat dot com to claim your re-ward, thank you ver ry (very) much.