To activate the triva game, you'll need to find 3 hidden Zippo lighters. Go to [Language Selection]. From this menu highlight the [Main Menu] button and press [Right] to activate the hidden lighter. Next, go to [Spoken Languages] and also [Captions and Subtitles] and do the same thing for 2 other hidden lighters.
Enter director Steven Soderbergh's [Filmography] screen to find a trailer for "The Underneath".