Spiderweb Software announces the release of Avernum 2: Crystal Souls, saying their "fantasy role-playing adventure" is now available for Windows and OS X, carrying a 15% launch discount on their website, GOG.com, and Steam. Here's word:

Avernum 2: Crystal Souls is an epic, indie, fantasy role-playing adventure in a unique, massive world. The subterranean land of Avernum is full of strange caves, cunning dungeons, and the alien inhabitants of the underworld. Explore a massive, underground nation of tunnels and caverns, packed with over 100 towns and dungeons. Fight to complete up to three distinct game-winning quests.