Dark Souls is the sequel, more like successor to the highly succesful Demon's Souls. This time its Namco/Bandai picking up the publishing rights. For those who don't know what the first one was about here's the quick rundown. Now being developed for both the 360 and the PS3
Game Spot First Look.
The game will focus on dungeon exploring and the tension and fear that arise when players encounter enemies in this setting. The game is being called a spiritual successor to the Demon's Souls (which was a spiritual successor to the King's Field games). The player will battle using various weapons and strategies to survive in a dark fantasy world. Online features will allow players to share the play experience without need for direct communication.
There will be more weapons, spells, and no classes. It is also said to be 'significantly harder', with more enemies and more difficult encounters. It will include leaving messages to other players, seeing others' deaths, and PvP as well as a new co-op system.
Anticipated release end of 2011.