After HBO’s “The Last of Us” adaptation, Amazon’s action-packed series based on the cult “Fallout” games has shown beyond doubt that blockbuster games can indeed be turned into great blockbuster shows. Now, Amazon has made several games from the Fallout series available to play at no extra cost for subscribers of Amazon’s Prime streaming and gaming service, after the series sparked a widespread interest in the games. Prime Gaming users can play “Fallout 76” for Xbox/PC until May 19, while “Fallout 3: Game of the Year Edition” and “Fallout: New Vegas Ultimate Edition” are available on Amazon’s …