Larry "Major Nelson" Hyrb revealed today on his Twitter that Call of Duty 3 is now available in the Xbox One Backwards Compatibility Program.This is not the first Call of Duty title that is backwards compatible, as Call of Duty 2 and Call of Duty Black Ops are also compatible. This is the second title that was made available this week, as Word Puzzle was added on Tuesday.There are over 250 games in the Xbox One Backwards Compatibility Program.