| Prime Ministers of the UK | 0 | - | 4.95 | 440,207 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,408 |
| Prime Ministers of Australia | 0 | - | 4.50 | 32,014 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,656 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,709,499 |
| Country by Photo of its Leader | 0 | - | 4.72 | 124,279 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,602 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,355 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,879 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,558 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,205 |
| National Founders | 0 | - | 4.40 | 83,890 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,108 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,831 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,123 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,066 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,100 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,381 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,659 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,496 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,443 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,656 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,868 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,212 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,289 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,707 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,771 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,945 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,847 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,780 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,573 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,135 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,351 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,165 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,032 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,449 |
| Countries of the Popes | 0 | - | 4.79 | 128,363 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,506 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,614 |
| The Vietnam War | 0 | - | 4.44 | 35,584 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,117 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,780 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,831 |
| Political Movements by Country | 0 | - | 4.46 | 72,626 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,041 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,232 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,592 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,047 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,968 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,402 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,055 |
| Name that Greek Letter | 0 | - | 4.93 | 324,220 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,430 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,322 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,078 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,538 |
| Name the English Monarchs | 0 | - | 4.91 | 504,112 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,449 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,719 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,229 |
| Rivers of the United States | 0 | - | 4.93 | 66,366 |
| Arms Exports - United States | 0 | - | 4.77 | 62,540 |
| American Political Words | 0 | - | 4.39 | 23,439 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,951 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,745 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 94,030 |
| Presidential Middle Names | 0 | - | 4.41 | 60,433 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,465 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,677 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,493 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,605 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,257 |
| The American Civil War | 0 | - | 4.62 | 52,506 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,970 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,601 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,460 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,105 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,683 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,765 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,560 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,031 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,691 |
| The Trojan War | 0 | - | 4.83 | 39,807 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,283 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,554 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,663 |
| Roman Emperors | 0 | - | 4.95 | 120,430 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,856 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,550 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,918 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,985 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,300 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,227 |
| Hindu Countries | 0 | - | 4.86 | 50,317 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,346 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,363 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,504 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,061 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,232 |
| The American Revolution | 0 | - | 4.52 | 54,295 |
| Hawaiian Islands | 0 | - | 4.83 | 42,781 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,389 |
| American History Quotes #1 | 0 | - | 4.37 | 96,108 |
| American History Quotes #2 | 0 | - | 4.38 | 41,447 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,278 |
| U.S. State Flags | 0 | - | 4.88 | 171,392 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,623 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,240 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,724 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,809 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,241 |
| History of Russia Quiz | 0 | - | 4.47 | 31,957 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,664 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,004 |
| Ancient Greek Words | 0 | - | 4.93 | 111,935 |
| History of Italy | 0 | - | 4.55 | 32,062 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,502 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,141 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,724 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,301 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,437 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,965 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,143 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,910 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,558 |
| History of South Africa | 0 | - | 4.60 | 17,723 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,671 |
| Puerto Rico Trivia | 0 | - | 4.51 | 12,024 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,226 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,180 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,541 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.22 | 10,875 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,528 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,288 |
| First Ladies of the United States | 0 | - | 4.28 | 85,755 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,983 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,251 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,284 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,238 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 24,005 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,545,584 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 43,030 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,458 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,338 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,393 |
| Most Visited U.S. States by JetPunkers | 0 | - | 4.30 | 44,586 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,079 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,860 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,928 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,286 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,058 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,723 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,760 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,894 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,825 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,167 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,870 |
| History of Austria | 0 | - | 4.70 | 17,911 |
| Geography of the French Empire | 0 | - | 4.45 | 27,157 |
| The French Revolution | 0 | - | 4.47 | 24,070 |
| History of France | 0 | - | 4.59 | 57,293 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,393 |
| Mythology A-Z | 0 | - | 4.31 | 37,296 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,847 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,788 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,251 |
| The Vikings! | 0 | - | 4.46 | 28,372 |
| The Portuguese Empire | 0 | - | 4.58 | 12,086 |
| Arthurian Legend | 0 | - | 4.33 | 25,132 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,727 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,408 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,686 |
| Geography of the British Empire | 0 | - | 4.48 | 39,742 |
| Pope Facts | 0 | - | 4.39 | 31,301 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,742 |
| History of Iran | 0 | - | 4.66 | 16,382 |
| The Iraq War | 0 | - | 4.47 | 15,674 |
| History of China | 0 | - | 4.37 | 57,342 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,379 |
| History of India | 0 | - | 4.62 | 21,461 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,639 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 101,045 |
| Communist Countries in History | 0 | - | 4.63 | 496,639 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,201 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,969 |
| Australian Capitals | 0 | - | 4.92 | 62,759 |
| Australia A-Z | 0 | - | 4.54 | 50,031 |
| Australia Map Quiz | 0 | - | 4.95 | 345,248 |
| History of Mexico | 0 | - | 4.58 | 15,339 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,923 |
| U.S. States by Governor | 0 | - | 4.43 | 18,079 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,717 |
| Mayors of New York City | 0 | - | 3.96 | 12,242 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,712 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,477 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 630,326 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,539 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,679 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,213 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,751 |
