| Prime Ministers of the UK | 0 | - | 4.95 | 439,579 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,375 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,974 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,584 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,703,912 |
| Country by Photo of its Leader | 0 | - | 4.72 | 124,180 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,342 |
| 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 | 32,548 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,124 |
| National Founders | 0 | - | 4.40 | 83,857 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,182 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,095 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,822 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,788 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,019 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,083 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,082 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,077 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,382 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,048 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,409 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,842 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,123 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,212 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,694 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,978 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,695 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,708 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,610 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,909 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,609 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,576 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 82,765 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,878 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,183 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,020 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,806 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,328 |
| Countries of the Popes | 0 | - | 4.79 | 128,235 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,344 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,036 |
| The Vietnam War | 0 | - | 4.44 | 35,558 |
| Political Movements by Country | 0 | - | 4.46 | 72,581 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,354 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,007 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,938 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,532 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,875 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,891 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,214 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,201 |
| Name that Greek Letter | 0 | - | 4.93 | 324,009 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,374 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,208 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,974 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,380 |
| Name the English Monarchs | 0 | - | 4.91 | 503,369 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,128 |
| Hindu Countries | 0 | - | 4.86 | 50,231 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,650 |
| Rivers of the United States | 0 | - | 4.93 | 66,262 |
| Arms Exports - United States | 0 | - | 4.77 | 62,468 |
| American Political Words | 0 | - | 4.39 | 23,435 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,825 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,611 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,899 |
| Presidential Middle Names | 0 | - | 4.41 | 60,349 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,405 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,639 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,460 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,461 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,190 |
| The American Civil War | 0 | - | 4.62 | 52,461 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,208 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,553 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,429 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,094 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,575 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,706 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,529 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,988 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,569 |
| The Trojan War | 0 | - | 4.83 | 39,768 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,028 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,253 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,598 |
| Roman Emperors | 0 | - | 4.95 | 120,230 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,819 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,456 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,826 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,960 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,232 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,501 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,118 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,254 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,170 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,026 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,103 |
| The American Revolution | 0 | - | 4.52 | 54,268 |
| Hawaiian Islands | 0 | - | 4.83 | 42,748 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,352 |
| American History Quotes #1 | 0 | - | 4.37 | 96,068 |
| American History Quotes #2 | 0 | - | 4.38 | 41,426 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,263 |
| U.S. State Flags | 0 | - | 4.88 | 170,865 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,244 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,182 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,053 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,635 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,047 |
| History of Russia Quiz | 0 | - | 4.47 | 31,940 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,444 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,401 |
| Ancient Greek Words | 0 | - | 4.93 | 111,768 |
| History of Italy | 0 | - | 4.55 | 32,025 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,481 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,568 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,698 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,272 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,340 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,913 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,986 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,859 |
| History of India | 0 | - | 4.62 | 21,444 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,426 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,959 |
| History of South Africa | 0 | - | 4.60 | 17,706 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,650 |
| Puerto Rico Trivia | 0 | - | 4.51 | 12,012 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,214 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,173 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,533 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,870 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,375 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,270 |
| First Ladies of the United States | 0 | - | 4.28 | 85,695 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,967 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,236 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 77,193 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,225 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,985 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,542,331 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,994 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,418 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,289 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,383 |
| Most Visited U.S. States by JetPunkers | 0 | - | 4.30 | 44,556 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,061 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,846 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,863 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,091 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,020 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,103 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,569 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,718 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,705 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,098 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,813 |
| History of Austria | 0 | - | 4.70 | 17,881 |
| Geography of the French Empire | 0 | - | 4.45 | 27,133 |
| The French Revolution | 0 | - | 4.47 | 24,031 |
| History of France | 0 | - | 4.59 | 57,149 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,342 |
| Mythology A-Z | 0 | - | 4.31 | 37,252 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,810 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,260 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,095 |
| The Vikings! | 0 | - | 4.46 | 28,357 |
| The Portuguese Empire | 0 | - | 4.58 | 12,076 |
| Arthurian Legend | 0 | - | 4.33 | 25,127 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,687 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,378 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,584 |
| Geography of the British Empire | 0 | - | 4.48 | 39,720 |
| Pope Facts | 0 | - | 4.39 | 31,271 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,416 |
| History of Iran | 0 | - | 4.66 | 16,364 |
| The Iraq War | 0 | - | 4.47 | 15,663 |
| History of China | 0 | - | 4.37 | 57,257 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,305 |
| Communist Countries in History | 0 | - | 4.63 | 496,152 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,482 |
| Countries of Africa | 0 | - | 5.00 | 2,541,147 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,939 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,975 |
| African East Coast | 0 | - | 4.96 | 96,156 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,034 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,194 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,812 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Australia A-Z | 0 | - | 4.54 | 50,004 |
| Australia Map Quiz | 0 | - | 4.95 | 344,864 |
| History of Mexico | 0 | - | 4.58 | 15,322 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,516 |
| U.S. States by Governor | 0 | - | 4.43 | 18,071 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,708 |
| Mayors of New York City | 0 | - | 3.96 | 12,232 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,693 |
