| Prime Ministers of the UK | 0 | - | 4.95 | 442,982 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,591 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,220 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,983 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,729,960 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,729 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,757 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,409 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,947 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,610 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,645 |
| National Founders | 0 | - | 4.40 | 83,997 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,490 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,155 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,873 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,802 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,142 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,827 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,974 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,940 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,673 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,759 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.46 | 26,959 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,503 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,579 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,766 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,944 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,142 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,927 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,520 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,922 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,960 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,986 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,699 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,996 |
| Name the Popes Quiz | 0 | - | 4.47 | 139,064 |
| Countries of the Popes | 0 | - | 4.79 | 128,856 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,101 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,649 |
| The Vietnam War | 0 | - | 4.44 | 35,684 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,670 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,187 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,457 |
| Political Movements by Country | 0 | - | 4.46 | 72,812 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,172 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,936 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,803 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,380 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,393 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,228 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,703 |
| Name that Greek Letter | 0 | - | 4.93 | 325,193 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,845 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,773 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,490 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,983 |
| Name the English Monarchs | 0 | - | 4.91 | 507,203 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,117 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,078 |
| Rivers of the United States | 0 | - | 4.93 | 66,764 |
| Arms Exports - United States | 0 | - | 4.77 | 62,782 |
| American Political Words | 0 | - | 4.39 | 23,486 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,639 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,439 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,732 |
| Presidential Middle Names | 0 | - | 4.42 | 60,790 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,732 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,930 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,651 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,263 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,676 |
| The American Civil War | 0 | - | 4.62 | 52,647 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,779 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,751 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,603 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,147 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,228 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 71,005 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,681 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,204 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,095 |
| The Trojan War | 0 | - | 4.83 | 40,039 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,130 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,803 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,668 |
| Roman Emperors | 0 | - | 4.95 | 121,378 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,021 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,063 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,263 |
| Prime Ministers of Israel | 0 | - | 3.97 | 18,080 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,572 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,658 |
| Hindu Countries | 0 | - | 4.86 | 50,653 |
| South America Flags Map Quiz | 0 | - | 4.95 | 89,115 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,812 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 306,370 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,240 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,645 |
| The American Revolution | 0 | - | 4.52 | 54,380 |
| Hawaiian Islands | 0 | - | 4.83 | 42,997 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,565 |
| American History Quotes #1 | 0 | - | 4.37 | 96,233 |
| American History Quotes #2 | 0 | - | 4.38 | 41,521 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,355 |
| U.S. State Flags | 0 | - | 4.89 | 173,362 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,973 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,520 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,922 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,508 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,857 |
| History of Russia Quiz | 0 | - | 4.47 | 32,019 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,553 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,265 |
| Ancient Greek Words | 0 | - | 4.93 | 112,622 |
| History of Italy | 0 | - | 4.55 | 32,175 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,588 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,262 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,841 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,462 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,916 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,137 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,142 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 29,083 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,817 |
| History of South Africa | 0 | - | 4.60 | 17,777 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,751 |
| Puerto Rico Trivia | 0 | - | 4.52 | 12,077 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,272 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,220 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,571 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.22 | 10,909 |
| U.S. Vice Presidents | 0 | - | 4.39 | 137,139 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,378 |
| U.S. Presidential Running Mates | 0 | - | 4.41 | 28,793 |
| First Ladies of the United States | 0 | - | 4.28 | 86,014 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,330 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,518 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,383 |
| Add a Letter - Make a U.S. President | 0 | - | 4.58 | 24,116 |
| Win the 1828 U.S. Presidential Election | 0 | - | 4.31 | 59,508 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,557,831 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 43,186 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,562 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,482 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,456 |
| Most Visited U.S. States by JetPunkers | 0 | - | 4.30 | 44,694 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,147 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,960 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,200 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,155 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,225 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,280 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,605 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,679 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,676 |
| Countries Invaded by the USSR | 0 | - | 4.30 | 94,481 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,218 |
| History of Austria | 0 | - | 4.70 | 17,990 |
| Geography of the French Empire | 0 | - | 4.45 | 27,229 |
| The French Revolution | 0 | - | 4.47 | 24,164 |
| History of France | 0 | - | 4.61 | 57,704 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,573 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,651 |
| Mythology A-Z | 0 | - | 4.31 | 37,435 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 21,003 |
| Figures from Greek Mythology | 0 | - | 4.91 | 189,143 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 104,111 |
| The Vikings! | 0 | - | 4.46 | 28,419 |
| The Portuguese Empire | 0 | - | 4.58 | 12,116 |
| Arthurian Legend | 0 | - | 4.33 | 25,186 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,841 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,486 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,348 |
| Geography of the British Empire | 0 | - | 4.48 | 39,866 |
| Pope Facts | 0 | - | 4.39 | 31,417 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,938 |
| History of Iran | 0 | - | 4.66 | 16,437 |
| The Iraq War | 0 | - | 4.47 | 15,713 |
| History of China | 0 | - | 4.35 | 57,656 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,670 |
| History of India | 0 | - | 4.62 | 21,524 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,606 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 101,296 |
| Communist Countries in History | 0 | - | 4.63 | 498,642 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,120 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,579 |
| Australian Capitals | 0 | - | 4.92 | 62,857 |
| Australia A-Z | 0 | - | 4.54 | 50,160 |
| Australia Map Quiz | 0 | - | 4.95 | 346,426 |
| History of Mexico | 0 | - | 4.52 | 15,372 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,103 |
| U.S. States by Governor | 0 | - | 4.43 | 18,120 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,780 |
| Mayors of New York City | 0 | - | 3.96 | 12,299 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,795 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,763 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 636,871 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,616 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,293 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,787 |
