Ultra-Oops: Dead Island Dev Build Released?

Gosh, here's a whoopsie. Dead Island is out now on Steam for the Americanish, except the version they've received probably isn't the one Deep Silver were hoping they'd get. It seems the dev build of the game has been put out there, rather than the official version. Complaints about a bad port, mysterious goings on, and no-clipping all seem to come down to the fact that this is the bug-testing, cheat-enabled, not-for-release version of the game. Code that people are digging up seems to reveal that this might even have far too much of the 360 version left in it. Crikey, that's a big oops. (I should note that the PC review build I'm playing certainly is optimised for PC.) A day one patch is intended to fix an impressive thirty-seven issues. Perhaps one of them will be the release of the internal debug of the game to US customers? We've contacted Deep Silver to see what's really going on.

I don't know what any of this means, but it certainly doesn't look like something that should be inside the PC version of the game:

< X b o x L i v e S u b m i s s i o n P r o j e c t V e r s i o n = " 2 . 0 . 5 0 3 3 0 . 0 " x m l n s = " h t t p : / / w w w . x b o x l i v e . c o m / x l a s t " >

< G a m e C o n f i g P r o j e c t n a m e = " D e a d I s l a n d D i s c X b o x 3 6 0 " t i t l e N a m e = " D e a d I s l a n d D i s c X b o x 3 6 0 " p r o j e c t V e r s i o n = " 1 . 0 0 . 0 9 3 4 . 0 " s c h e m a V e r s i o n = " 1 . 0 8 . 0 0 0 0 . 0 " v a l i d a t e A g a i n s t = " . . \ . . \ . . \ . . \ . . \ U s e r s \ t e c h l a n d \ A p p D a t a \ L o c a l \ M i c r o s o f t \ X b o x L i v e \ 4 B 4 D 0 7 D F . p a r t n e r \ . . \ . . \ 4 B 4 D 0 7 D F . p a r t n e r \ . . \ . . \ 4 B 4 D 0 7 D F . p a r t n e r \ . . \ . . \ 4 B 4 D 0 7 D F . p a r t n e r \ D e a d I s l a n d . x l a s t " c l a s s i f i c a t i o n = " B a s e G a m e " t i t l e I d = " 0 x 4 B 4 D 0 7 D F " m u l t i p l a y e r = " t r u e " t i t l e T y p e = " 1 " a r n = " 0 x 5 5 E 2 C 5 D 2 F 1 4 A F 9 " >

Others have found information on the online authorisation that probably shouldn't be in the public's hands. And goodness knows what else.