Silent War and IJN, Deluxe 2nd Edition is an enhanced second edition of the original, award winning, game first published in 2005. This new edition includes the expansion, IJN that brings a greater depth of detail by providing all the major warships of the Imperial Japanese Navy.

This new edition features a mounted game board, consolidated rule book with all changes and improvements incorporated, a number of revised tables, additional scenarios not in the original game, and all the additional playing pieces that were added in the Steel Wolves game. This new edition of Silent War/IJN is the definitive game on the United States Submarine Campaign against Imperial Japan