If you wish to own the full standalone game, it is frequently discounted: Day of Infamy on Steam
: Before becoming a standalone game, Day of Infamy was a free community mod for the game Insurgency . If you own Insurgency , you may still be able to access the original Day of Infamy mod on the Steam Workshop. Day of Infamy Free Download
: If you are looking for the famous "Day of Infamy" speech by President Franklin D. Roosevelt, it is in the public domain and available for free download in various formats (audio, text, EPUB) from the National Archives and Project Gutenberg . If you wish to own the full standalone