Dennis Dyack from Silicon Knights had this to say in a recent interview with gamesindustry.biz: “We’re really excited and we’re working on our next generation stuff. We’re working on an IP that’s our most requested and we’re really excited about that.”
Gamesindustry.biz speculates that Dennis Dyack was indeed talking about an Eternal Darkness sequel especially since Dennis Dyack has talked favorably in the past about making a sequel and recognized the fan interest in the game.
Source: gamesindustry.biz