Successfully complete Story mode in Twisted Metal: Lost under the required difficulty setting to unlock the following bonuses for the Twisted Metal: Lost portion of the game. 12-Pac, Gold Tooth, and the Port Of Death are not selectable in the Twisted Metal: Head On portion of the game.

12-Pac: Successfully complete Story mode under the Medium difficulty setting.
Gold Tooth: Successfully complete Story mode under the Hard difficulty setting.
Port Of Death: Successfully complete Story mode under the Medium difficulty setting. This level is not playable in Story mode.