| Prime Ministers of the UK | 0 | - | 4.95 | 412,748 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 38,467 |
| Canadian Prime Ministers Quiz | 0 | - | 4.63 | 54,128 |
| Prime Ministers of Australia | 0 | - | 4.49 | 30,269 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,449,745 |
| Country by Photo of its Leader | 0 | - | 4.79 | 120,135 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,901 |
| U.S. Bill of Rights | 0 | - | 4.53 | 31,787 |
| Soviet Leaders 1917–1991 | 0 | - | 4.42 | 91,596 |
| National Founders | 0 | - | 4.40 | 82,369 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 50,997 |
| All U.S. Supreme Court Justices | 0 | - | 4.50 | 28,204 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.43 | 11,181 |
| U.S. Presidents by Picture | 0 | - | 4.85 | 411,602 |
| Paramount Leaders of China | 0 | - | 4.35 | 10,549 |
| First Names of U.S. Presidents | 0 | - | 4.84 | 369,780 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 180,710 |
| Play-Doh Presidents | 0 | - | 5.00 | 79,059 |
| Category Elimination - U.S. States #1 | 0 | - | 4.92 | 208,498 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.43 | 25,846 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,827 |
| The Dictator Files: Chairman Mao | 0 | - | 4.33 | 20,064 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 100,707 |
| African Countries with the Most Christians | 0 | - | 4.92 | 71,965 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 115,969 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 231,861 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 70,627 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 190,185 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 142,667 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 70,277 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 57,544 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 65,588 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 52,108 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,378 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 109,838 |
| Name the Popes Quiz | 0 | - | 4.46 | 132,135 |
| Countries of the Popes | 0 | - | 4.80 | 122,813 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 91,823 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 108,726 |
| Prime Ministers of Israel | 0 | - | 4.06 | 17,147 |
| The Vietnam War | 0 | - | 4.43 | 34,288 |
| Political Movements by Country | 0 | - | 4.46 | 70,727 |
| Top 10 Richest Countries in Africa | 0 | - | 4.88 | 72,699 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 78,444 |
| American History Quotes #1 | 0 | - | 4.41 | 93,929 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 183,487 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,401 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 143,772 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 69,389 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 83,475 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 615,489 |
| Countries Italy Declared War On | 0 | - | 4.75 | 41,848 |
| English Monarchs Quiz | 0 | - | 4.90 | 476,283 |
| Countries with the Most Hindus | 0 | - | 4.90 | 118,972 |
| Hindu Countries | 0 | - | 4.85 | 46,574 |
| Biggest Trading Partners – Australia | 0 | - | 4.92 | 58,363 |
| Rivers of the United States | 0 | - | 4.92 | 61,795 |
| Arms Exports - United States | 0 | - | 4.63 | 49,714 |
| American Political Words | 0 | - | 4.39 | 22,939 |
| U.S. Presidential Trivia #1 | 0 | - | 4.47 | 103,790 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.56 | 88,888 |
| U.S. Presidential Trivia #2 | 0 | - | 4.48 | 49,324 |
| Assassinated U.S. Presidents | 0 | - | 4.61 | 87,849 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 35,886 |
| Countries Closest to Alaska | 0 | - | 4.91 | 105,112 |
| Countries Closest to Maine | 0 | - | 4.84 | 63,076 |
| The American Civil War | 0 | - | 4.61 | 50,824 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 481,594 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 64,630 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 48,708 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 40,554 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 44,135 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.43 | 68,470 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.35 | 47,153 |
| The Reign of Napoleon | 0 | - | 4.54 | 37,555 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 67,795 |
| The Trojan War | 0 | - | 4.81 | 37,836 |
| Name that Greek Letter | 0 | - | 4.94 | 311,221 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.83 | 102,913 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 114,741 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 75,144 |
| Roman Emperors | 0 | - | 4.96 | 109,610 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 52,417 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 75,911 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 73,229 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 51,595 |
| South America Flags Map Quiz | 0 | - | 4.95 | 79,957 |
| Countries Closest to United States A-Z | 0 | - | 4.83 | 113,099 |
| US Presidents - 1 Minute Sprint | 0 | - | 4.41 | 294,237 |
| U.S. Presidents Who Died in Office | 0 | - | 4.78 | 33,243 |
| Name a Valid U.S. President #2 | 0 | - | 4.53 | 66,331 |
| The American Revolution | 0 | - | 4.52 | 53,170 |
| Hawaiian Islands | 0 | - | 4.83 | 40,648 |
| American History Quotes #2 | 0 | - | 4.38 | 40,405 |
| Last Names in U.S. History #1 | 0 | - | 4.24 | 35,383 |
| U.S. State Flags | 0 | - | 4.89 | 153,439 |
| U.S. States that Border Canada | 0 | - | 4.91 | 172,825 |
| Category Elimination - U.S. States #2 | 0 | - | 4.80 | 124,797 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.93 | 55,218 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 509,761 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 155,611 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 83,050 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.96 | 66,687 |
| Olympian Gods Quiz | 0 | - | 4.96 | 471,863 |
| Ancient Greek Words | 0 | - | 4.92 | 105,461 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.64 | 22,664 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 418,576 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,582 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,192 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 104,377 |
| Invasions of Great Britain | 0 | - | 4.51 | 57,879 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 185,010 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 27,182 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 101,861 |
| History of India | 0 | - | 4.60 | 20,553 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 258,126 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 97,220 |
| History of South Africa | 0 | - | 4.59 | 17,187 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,041 |
| Puerto Rico Trivia | 0 | - | 4.51 | 11,522 |
| American Monopoly Board - Map Quiz | 0 | - | 4.48 | 20,704 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.13 | 25,665 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,139 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.19 | 10,514 |
| U.S. Vice Presidents | 0 | - | 4.39 | 128,991 |
| Governors Who Ran For President | 0 | - | 4.47 | 19,602 |
| U.S. Presidents by Event | 0 | - | 4.57 | 30,851 |
| First Ladies of the United States | 0 | - | 4.27 | 82,863 |
| Presidential Middle Names | 0 | - | 4.37 | 58,090 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.42 | 23,308 |
| The Abraham Lincoln Presidency | 0 | - | 4.51 | 25,600 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.31 | 72,671 |
| Random U.S. Vice President to President | 0 | - | 4.43 | 29,609 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.63 | 15,181 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,151 |
| Fifty US States in One Minute | 0 | - | 4.54 | 3,426,145 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 41,525 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 56,154 |
| States in a Tank of the U.S. Map | 0 | - | 4.50 | 29,754 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.47 | 26,547 |
| Most Visited U.S. States by JetPunkers | 0 | - | 4.34 | 43,249 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 22,193 |
| Europe Map Quiz | 0 | - | 5.00 | 4,556,943 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 33,422 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 193,088 |
| Countries of Europe After World War II | 0 | - | 4.99 | 180,198 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 148,886 |
| History of Russia Quiz | 0 | - | 4.48 | 31,111 |
| Countries of the Soviet Union | 0 | - | 4.98 | 190,013 |
| Countries Invaded by the USSR | 0 | - | 4.30 | 91,181 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 77,801 |
| History of Austria | 0 | - | 4.69 | 17,161 |
| Geography of the French Empire | 0 | - | 4.51 | 26,200 |
| The French Revolution | 0 | - | 4.45 | 22,875 |
| History of France Quiz | 0 | - | 4.56 | 41,712 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 22,827 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 24,960 |
| Mythology A-Z | 0 | - | 4.30 | 35,669 |
| Figures from Greek Mythology | 0 | - | 4.90 | 176,097 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,274 |
| History of Italy | 0 | - | 4.53 | 31,061 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.21 | 79,365 |
| The Vikings! | 0 | - | 4.46 | 27,792 |
| The Portuguese Empire | 0 | - | 4.54 | 11,705 |
| Arthurian Legend | 0 | - | 4.32 | 24,710 |
| Wives of King Henry VIII | 0 | - | 4.55 | 52,481 |
| Countries the UK Declared War On | 0 | - | 4.56 | 117,793 |
| Geography of the British Empire | 0 | - | 4.51 | 38,478 |
| Pope Facts | 0 | - | 4.39 | 30,064 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 268,424 |
| History of Iran Quiz | 0 | - | 4.65 | 15,707 |
| The Iraq War | 0 | - | 4.46 | 15,053 |
| History of China | 0 | - | 4.39 | 54,278 |
| Communist Countries in History | 0 | - | 4.63 | 477,348 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.64 | 53,887 |
| Countries of Africa | 0 | - | 5.00 | 2,359,075 |
| Africa Map Quiz | 0 | - | 5.00 | 2,035,639 |
| African East Coast | 0 | - | 4.96 | 90,479 |
| Western Africa Map Quiz | 0 | - | 4.97 | 68,177 |
| Oceania Map Quiz | 0 | - | 4.98 | 605,668 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 45,853 |
| Australian Capitals | 0 | - | 4.92 | 61,881 |
| Australia A-Z | 0 | - | 4.51 | 48,892 |
| Australia Map Quiz | 0 | - | 4.94 | 333,723 |
| History of Mexico | 0 | - | 4.58 | 14,757 |
| United States Map Quiz | 0 | - | 4.98 | 4,054,859 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,529 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,007 |
| Mayors of New York City | 0 | - | 3.86 | 7,771 |
| U.S. Government Agencies | 0 | - | 4.44 | 18,791 |
| Red State or Blue State Trait? | 0 | - | 4.45 | 52,498 |
| Win the U.S. Presidential Election | 0 | - | 4.74 | 573,908 |
| U.S. Presidential Quotes | 0 | - | 4.36 | 43,739 |
| U.S. Presidential Running Mates | 0 | - | 4.39 | 27,535 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,328 |
| People in Pictures with Ronald Reagan | 0 | - | 4.33 | 39,403 |
| U.S. President Scramble | 0 | - | 4.39 | 112,502 |
| The John Adams Presidency | 0 | - | 4.12 | 8,406 |
| The Theodore Roosevelt Presidency | 0 | - | 4.33 | 7,459 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,291 |
