There's a two minute trailer of The Sydney Mystery, an adventure game by originally Sydney-based, Twilight Software.
"The Sydney Mystery, offering a bit more than two minutes of footage from this recently unveiled (story) adventure game from Brendan Reville. The game will "immerse the player in a mystery in which a kidnapped uncle has disappeared in a grim underworld of treacherous characters and plot twists". A demo will also be available soon."
Download the trailer at Gamershell.