Deep, dense water scares me, so playing Twilight Princess recently left me a bit unsettled. The boss at the Water Temple dialed up that water fear to an absurd level. You fall from a ridiculous height into a gorramn vast room that is just endless, murky water. No music, no sound. Just you, and the vague notion that you must swim down into the depths of hell. *shudders*

On that note, the "water snake" in Shadow of the Colossus does me in too!