Keeping sane is not an easy task - especially when you're thrown into Eternal Darkness, a third-person action-adventure game that features a fully 3D environment. You will have 13 unique characters to choose from spanning a time period of 2000 years. You might be helping a monk solve puzzles during the Spanish Inquisition, or exploring a haunted castle with a God-fearing knight from medieval times. As you play, the characters begin a slow, disturbing descent into madness. Eternal Darkness: Prima's Official Strategy Guide will provide you with helpful information help stabilize your insanity meter as well as what spells and weapons to use for each horrifying level. Prima will also give you the lowdown on solutions to hair-raising puzzles, essential background on all 13 characters, and complete lists off all the weapons and spells available to you.