.PIG File Extension
File Type 1Descent Texture File
What is a PIG file?
Contains textures used in the Descent 1 and 2 video games; may also store sound effects and model data for Descent 1.
File Type 2Pirates of the Burning Sea Data File
.PIG File Association 2
Game data file used by "Pirates of the Burning Sea," a subscription-based online multiplayer game; may contain maps, audio data, 3D models, textures, or other data used by the game; stored by default in the "piggs" directory.
Pirates of the Burning Sea is developed by Flying Lab Software and published by Sony Online Entertainment in the USA.