PP2014 and PP2014Game Dev are actually the same files.

But the Gave Dev functions only become available when buying a Game Dev licence and serial number.

You can safely install SR5.1 and register/use a PP2014 serial number.

That gets you full PP2014 without the Game Dev specific options.

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!