Compatible with phones and tablets; noin-appadvertisements!The following categories are available:Sovereign StatesUS StatesCanadian ProvincesMexican StatesPotpourri (territories, dependencies, disputed states, etc.)You can also answer a round of capital city questionsselectedfrom an assortment of the categories above or view all thecapitalcities on the "Answers" screen for reference.Each round is 20 questions, except for the "CanadianProvinces"category which is 10 questions since there are only 10Canadianprovinces. Answer with the capital city when given agovernmententity or the government entity when given the capitalcity. Thiscan be switched at any time during the game. You can alsohave eachquestion asked automatically without user input or requirea touchor click of the "Continue" button to advance to the nextquestionin order to proceed at your own pace. A handy Wikipediabutton isavailable with each question to allow further research onasubject. The list of capitals is up-to-date and includesnewcomerssuch as South Sudan in the "Sovereign States" category andAzawadin the "Potpourri" category.The "Sovereign States" category includes all 193 UN memberstatesand its one permanent observer (the Holy See). Bythisclassification some states whose sovereignty is disputed suchasPalestine and Taiwan are excluded from this category.The "US States" category includes the 50 states of theUnitedStates of America.The "Canadian Provinces" category includes the 10 provincesofCanada.The "Mexican States" category includes the 31 statesofMexico.The "Potpourri" category includes 57 other governmententitiessuch as territories of the US and Canada, overseasterritories ofsovereign states such as the United Kingdom andFrance, countriesof the United Kingdom, and disputed non-UN memberstates such asKosovo and Palestine.342 capital cities to master in all!For governments with multiple capital cities the answer tendstobe the official, declared, or de jure capital city. Forexample:the answer given for Bolivia is Sucre and not La Paz, theanswergiven for Palestine is Jerusalem and not Ramallah, and theanswergiven for Azawad is Timbuktu and not Goa. If there is nosingleofficial capital the administrative capital is favored fortheanswer (e.g., Pretoria for South Africa).I am not making any political statements with any ofthegovernment classifications or capital city answers; I amsimplyfollowing a convention. The sovereign state subdivisionsincluded(US, Canada, and Mexico) reflect my national origin (US). Ihave noplans to include additional sovereign state subdivisioncategories(e.g., the states of India) unless if there is a visibledemand byusers based on feedback.Each question gives 4 possible answers, with only 1beingcorrect. The 3 incorrect answers are randomly generated fromotherquestions. This can lead to what some would consider sillypossibleanswers (is Washington, DC the capital city of Ethiopia?).I do notfeel this detracts from learning the capital cities. Youstill needto consciously choose the valid answer.Capital Master is intended to be simple and clean. If you haveafeature request or suggestion with this goal in mind pleasecontactme. If you find Capital Master useful share it withyourfriends!