Paradox Interactive, publisher of King Arthur, and Mount & Blade: Warband, have announced today some free to play games: Hearts of Iron, Salem, and Gettysburg: Armoured Warfare.

Hearts of Iron: The Card Game will see players take on the role of either and Allied or Axis tank commander and destroy their opponents through the use cards. A trading system will be implemented as well as deck management.

Salem: MMORPG Game set in a mythical version of New England, the game puts emphasis on a player-driven world that promotes crafting skills. When your character dies he’s gone forever, leaving all your creations to be pillaged by other players...

Gettysburg Armoured Warfare: is a RTS/FPS hybrid developed by Radioactive Games, the game will be set in an alternative universe and feature persistent armies on a massive scale.