Project: Gorgon is a 3D fantasy MMORPG (massively-multiplayer online role-playing game) that features an immersive experience that allows the player to forge their own path through exploration and discovery. We won't be guiding you through a world on rails, and as a result there are many hidden secrets awaiting discovery. Project: Gorgon also features an ambitious skill based leveling system that bucks the current trend of pre-determined classes, thus allowing the player to combine skills in order to create a truly unique playing experience.
The Project: Gorgon development team is led by industry veteran Eric Heimburg. Eric has over a decade of experience working as a Senior and Lead Engineer, Developer, Designer and Producer on successful games such as Asheron’s Call 1 and 2, Star Trek Online and other successful Massively Multiplayer Online Games.
They're for the side-bar (where the miscellaneous abilities go), when it expands. You can increase the size of the sidebar via drugs or special gear or things like weekend events. It's designed to expand up to 12 slots long, although that's not actually possible in-game at the moment. So the extra 6 key binds are for those extra 6 slots, when and if they appear.
(You can get at least one more slot pretty easily as a high-level player, via Gur-Horta potions.)