Paradox Interactive has announced that the "Armageddon" booster pack for "Hearts of Iron II: Doomsday" has been released on Gamer's Gate.

"The Booster pack includes two completely new alternative history scenarios, perfect for those looking for new challenges! In addition to the scenarios and new features, gamers will find several new game options to further boost the replayability.

Added features include:

• New attachments for Naval units; do you scrap or upgrade those old ships
• Land units can now be built with brigades already attached.
• An Air Naval combat system that radically alters the combat balance
• New damage algorithms for the Air combat system, making organization more important and allowing air units to fight longer.

New starting options include among others:

• Full IC Takeover – For gamers who really want war to pay, you can now get every scrap of IC you conquer.
• Tech-Team Takeover – Now whenever you annex a country you get their tech teams. That is until they are released as puppets again. "