Virtual Programming has released Hearts of Iron III: Their Finest Hour, a new downloadable expansion pack for the World War II-era grand strategy game, Hearts of Iron III. It’s now available for download from for US$19.99.

Here’s how the expansion pack is described: “Hearts of Iron III delivers an unparalleled turn-based strategy game experience for the Mac, designed by enthusiasts of World War II history. Move forces across land, air and sea as you seek victory in the most devastating war the world has known. The game focuses on on the military, political, economic and diplomatic interactions worldwide from 1936 – 1948. Its astonishing level of detail is balanced by a command system that affords a unique degree of flexibility, so you can control as much or as little as you want.”