More bands have been added to the already-great Psycho Las Vegas 2020 lineup, including Blue Oyster Cult, Satyricon, At The Gates (Slaughter of the Soul 25th anniversary set), Poison The Well (The Opposite of December 20th anniversary set), Boris, Mgla, and Abbath's Motörhead tribute band Bömbers.

The new additions join previously announced bands Ty Segall, Mayhem, Blonde Redhead, Ulver, Windhand, Kaelan Mikla, and Mephistofeles. Update: Watain were recently added too.

The fest goes down August 14-16 at Mandalay Bay Resort & Casino, and the official pre-party Psycho Swim returns 8/13 with Elder and more. Tickets for the fest and the pre-party are on sale now. Stay tuned for more band announcements.