>>723074564
Plain ol' heavy metal, and if I'm playing shooters then I'll also spring for thrash. Here's some of them:

Cirith Ungol - King of the Dead
Exodus - Bonded by Blood
Fates Warning - Awaken the Guardian
Judas Priest - Sad Wings of Destiny
Judas Priest - Stained Class
Manilla Road - Crystal Logic
Manowar - First two albums
Mercyful Fate - Melissa
Metal Church - Metal Church
Nasty Savage - Nasty Savage
Rainbow - Rising
Riot - Fire Down Under
Saint Vitus - Saint Vitus
Savatage - Hall of the Mountain King
Slayer - Show No Mercy
Slayer - Hell Awaits
Sepultura - Beneath the Remains