The atmosphere in Penumbra was top notch. Then I kept getting killed by a badly textured demon dog and I quit in frustration. I should probably go back and try playing through again, but the pace (not to mention lack of combat) of the game takes some getting used to for this long-time FPS junkie.
"We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far."
"Universal compassion is the only guarantee of morality."