| Prime Ministers of the UK | 0 | - | 4.95 | 439,371 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,352 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,959 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,561 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,701,699 |
| Country by Photo of its Leader | 0 | - | 4.72 | 124,147 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,253 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,339 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,865 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,542 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,074 |
| National Founders | 0 | - | 4.40 | 83,851 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,081 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,814 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,681 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,002 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,079 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,977 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,965 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,349 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,941 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,318 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,831 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,081 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,183 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,694 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,930 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,655 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,660 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,547 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,900 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,532 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,498 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 82,432 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,796 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,108 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,971 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,729 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,275 |
| Countries of the Popes | 0 | - | 4.79 | 128,184 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,308 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,832 |
| The Vietnam War | 0 | - | 4.44 | 35,545 |
| Political Movements by Country | 0 | - | 4.46 | 72,557 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,322 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,999 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,878 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,516 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,821 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,861 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,153 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,929 |
| Name that Greek Letter | 0 | - | 4.93 | 323,872 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,359 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,170 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,926 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,337 |
| Name the English Monarchs | 0 | - | 4.91 | 503,137 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,087 |
| Hindu Countries | 0 | - | 4.86 | 50,204 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,610 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,163 |
| Rivers of the United States | 0 | - | 4.93 | 66,231 |
| Arms Exports - United States | 0 | - | 4.77 | 62,450 |
| American Political Words | 0 | - | 4.39 | 23,429 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,788 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,561 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 93,859 |
| Presidential Middle Names | 0 | - | 4.41 | 60,316 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,384 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,624 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,450 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,412 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,153 |
| The American Civil War | 0 | - | 4.62 | 52,443 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,947 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,543 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,417 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,088 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,537 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,692 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,520 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,971 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,526 |
| The Trojan War | 0 | - | 4.83 | 39,752 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,964 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,149 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,568 |
| Roman Emperors | 0 | - | 4.95 | 120,165 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,804 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,417 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,793 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,955 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,217 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,485 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,042 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,220 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,083 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,016 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,067 |
| The American Revolution | 0 | - | 4.52 | 54,264 |
| Hawaiian Islands | 0 | - | 4.83 | 42,734 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,340 |
| American History Quotes #1 | 0 | - | 4.37 | 96,051 |
| American History Quotes #2 | 0 | - | 4.38 | 41,418 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,253 |
| U.S. State Flags | 0 | - | 4.88 | 170,715 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,124 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,165 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,847 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,573 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,006 |
| History of Russia Quiz | 0 | - | 4.47 | 31,931 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,336 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,169 |
| Ancient Greek Words | 0 | - | 4.93 | 111,704 |
| History of Italy | 0 | - | 4.55 | 32,000 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,473 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,386 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,677 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,255 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,318 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,898 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,944 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,843 |
| History of India | 0 | - | 4.62 | 21,438 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,340 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,935 |
| History of South Africa | 0 | - | 4.60 | 17,697 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,644 |
| Puerto Rico Trivia | 0 | - | 4.51 | 12,006 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,213 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,168 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,531 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,867 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,325 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,265 |
| First Ladies of the United States | 0 | - | 4.28 | 85,676 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,962 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,233 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 77,143 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,216 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,978 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,541,006 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,980 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,405 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,277 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,371 |
| Most Visited U.S. States by JetPunkers | 0 | - | 4.30 | 44,542 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,051 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,838 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,843 |
| Europe Map Quiz | 0 | - | 5.00 | 4,765,418 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,008 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,842 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,506 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,667 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,660 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,063 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,781 |
| History of Austria | 0 | - | 4.70 | 17,870 |
| Geography of the French Empire | 0 | - | 4.45 | 27,104 |
| The French Revolution | 0 | - | 4.47 | 23,999 |
| History of France | 0 | - | 4.59 | 57,082 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,321 |
| Mythology A-Z | 0 | - | 4.31 | 37,237 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,139 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 102,979 |
| The Vikings! | 0 | - | 4.46 | 28,353 |
| The Portuguese Empire | 0 | - | 4.58 | 12,071 |
| Arthurian Legend | 0 | - | 4.33 | 25,121 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,682 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,365 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,551 |
| Geography of the British Empire | 0 | - | 4.48 | 39,702 |
| Pope Facts | 0 | - | 4.39 | 31,261 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,312 |
| History of Iran | 0 | - | 4.66 | 16,361 |
| The Iraq War | 0 | - | 4.47 | 15,657 |
| History of China | 0 | - | 4.37 | 57,228 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,285 |
| Communist Countries in History | 0 | - | 4.63 | 495,979 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,471 |
| Countries of Africa | 0 | - | 5.00 | 2,539,545 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,980 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,907 |
| African East Coast | 0 | - | 4.96 | 96,121 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,980 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,830 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,779 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Australia A-Z | 0 | - | 4.54 | 49,993 |
| Australia Map Quiz | 0 | - | 4.95 | 344,761 |
| History of Mexico | 0 | - | 4.58 | 15,316 |
| United States Map Quiz | 0 | - | 4.98 | 4,160,339 |
| U.S. States by Governor | 0 | - | 4.43 | 18,066 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,704 |
| Mayors of New York City | 0 | - | 3.96 | 12,228 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,688 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,400 |
