The US PlayStation blog has the first details of a new PlayStation Network game for both PS3 and PSP called Hoard.
In this "arcade-action" game from developer Big Sandwich, you play a dragon, flying around top-down maps of a "living kingdom that grows around you". The goal is to collect treasure by burning stuff down and kidnapping maidens for ransom.
There's levelling and upgrading to be done, a ranking system, leaderboards, and an online or offline co-op mode if you're playing on PS3.
Find more info at the official Hoard site.