Seattle based Spiderweb Software today releases Avadon: The Black Fortress 1.0.3, a free upgrade to the Macintosh Indie fantasy role-playing game. Avadon: The Black Fortress is an epic adventure in a strange and dangerous world. You are a spy and warrior, tasked to fight the enemies of your homeland. As a servant of the Black Fortress, your word is law. Gain power and battle a conspiracy to destroy your people. This upgrade fixes bugs and typos and adds the ability to make the game text larger.