Doom's John Romero working on a "unique" new shooter

In the 90's John Romero was a legend. He helped co-create games like Doom and Quake, which helped define the first-person shooter. After the massive failure of Daikatana, he sort of faded into obscurity. He's worked on a few games since then, but nothing as big as his early work. However, his next game might change that. Now, for the …