Demise of Nations is FREE (but comes with In-App payments).
However, codes supplied by us will fully unlock the game.
- Download and install the game: http://store.steampowered.com/app/338810
- Launch the game and go into the [Modding] screen.
- Paste the code into the "Promo Code" input field (you can use "Ctrl+V" to paste).
- Press the ENTER key to apply.
The game is now fully unlocked!