You got me curious the other day when you asked about my trophy The Voyager which is from the "Classic" Category. I went here
http://www.theskynet.org /?locale=en which is different from the this one
http://pogs.theskynet.org/pogs/.
There are 8 categories in which each trophy is attached to credit; however, there seems to be another component to categories.
What is really baffling is that I have trophies for all 8 categories that I received within just a few weeks of running Skynet. I noticed that you have only 7 of the category trophies... I only have 171K in credits and I just received The Voyager. I don't understand how you can only have 7 of the 8 categories and have 25 million credits. I'm thinking glitch.
Edit: I forgot to mention, the first link has all the trophies that you have earned and in what category. Login, click on My Dashboard then you will see your latest trophy, next to it will be See all Trophies.