Usually feature Lee Everett, Clementine, or the iconic "Don't Open, Dead Inside" hospital doors.
Perhaps the most immersive part of these themes was the audio. Modders would rip the main title theme composed by Bear McCreary and convert it into the specific format required for the PSP boot sound. Navigating the XMB would trigger custom click sounds—perhaps the click of a gun safety or the crunch of gravel—rather than the standard Sony chime. the walking dead psp theme