For my MSc in e-Learning IDGBL Game Design exercise I have created an exploration style game with a Na'vi/Avatar theme.
The web site for the game information and links to allow access to the areas in which some elements of it can already be played in Second Life are at:
More details of the elements that went into the design are in this blog entry - Game Design Preliminaries.
Keywords: Game Design, Moon Bloom, Na'vi, Pandora, Second Life