"John Romero Releases Sigil 2 for Free, Celebrating 30 Years of DOOM"

John Romero, co-creator of Doom, celebrates the game's 30th anniversary by releasing Sigil 2, a free expansion pack featuring nine punishing levels. Acting as a direct sequel to Sigil, the expansion extends the story of Doom and offers a challenging experience reminiscent of the original game. Sigil 2 can be downloaded from Romero's website, with physical editions available for purchase.