Country Abbreviations Alexa Skill
In this skill, Alexa will ask you a two-letter country code (based on the ISO 3166-1 alpha-2 standard) that matches a specific country name. For example, Alexa will ask "What is US?" and you would reply "United States." Alexa will ask you eight two-letter country codes and tally the number of corresponding country names you get correct. There are 248 country codes Alexa will choose from.
You can begin by enabling the skill and then saying, "Alexa, Open Country Abbreviations"