| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,316 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,947 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,656,569 |
| Hindu Countries | 0 | - | 4.86 | 49,605 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,381 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,198 |
| Countries of the Popes | 0 | - | 4.79 | 127,260 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,153 |
| Asia Map Quiz | 0 | - | 4.99 | 907,412 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,945 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,261 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,314 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,689 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,897 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,521 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,355 |
| States of India | 0 | - | 4.94 | 190,358 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,004 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,465 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,470 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,161 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,057 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,746 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,377 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,013 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,817 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,451 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,289 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,084 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,779 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,530 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,408 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,722 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,828 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,456 |
| Monarchies of Asia | 0 | - | 4.97 | 70,616 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,195 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,444 |
| Countries of the Middle East | 0 | - | 4.96 | 199,023 |
| Provinces of Turkey | 0 | - | 4.95 | 201,292 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 60,037 |
| Provinces of China | 0 | - | 4.97 | 200,257 |
| Japanese Prefectures | 0 | - | 4.98 | 134,684 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,245 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,809 |
| History of India | 0 | - | 4.61 | 21,291 |
| Countries Bordering India | 0 | - | 4.98 | 162,626 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,183 |
| Countries Closest to India | 0 | - | 4.97 | 102,223 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,793 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,357 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,322 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,542 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,148 |
| Name that Greek Letter | 0 | - | 4.94 | 321,761 |
| Byzantine History | 0 | - | 4.91 | 28,631 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,356 |
| Name the English Monarchs | 0 | - | 4.92 | 498,146 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,832 |
| Pope Facts | 0 | - | 4.39 | 31,052 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,510 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,167 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,761 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,606 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,088 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,998 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,808 |
| History of Iran | 0 | - | 4.65 | 16,275 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,864 |
| The Iraq War | 0 | - | 4.47 | 15,561 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,383 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,517 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,248 |
| Syria Country Quiz | 0 | - | 4.81 | 32,360 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,925 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,486 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,828 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,986 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,525 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,099 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,106 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,825 |
| History of China | 0 | - | 4.37 | 56,707 |
| Countries that Border China | 0 | - | 4.96 | 261,883 |
| Japan Country Quiz | 0 | - | 4.92 | 141,324 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,965 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,721 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,941 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,835 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 33,260 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,028 |
| States of India Map Quiz | 0 | - | 4.82 | 26,057 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 78,229 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,992 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,996 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,552 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,036 |
| Presidential Middle Names | 0 | - | 4.41 | 59,727 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,764 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,852 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,183 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,163 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,501 |
| The Trojan War | 0 | - | 4.83 | 39,447 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,610 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,373 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,072 |
| Roman Emperors | 0 | - | 4.95 | 118,539 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,496 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,719 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,895 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,494 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,310 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,028 |
| History of Egypt | 0 | - | 4.58 | 23,939 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,569 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,061 |
| Israel Country Quiz | 0 | - | 3.89 | 74,678 |
| Countries Closest to Israel | 0 | - | 4.67 | 105,259 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,320 |
| Oman Country Quiz | 0 | - | 4.86 | 26,700 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,426 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,214 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,769 |
| Chinese Inventions | 0 | - | 4.30 | 33,726 |
| Countries that Beat China | 0 | - | 4.86 | 114,750 |
| The Life of Gandhi | 0 | - | 4.37 | 13,019 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,968 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,903 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,169 |
| First Ladies of the United States | 0 | - | 4.28 | 85,254 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,116 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,657 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,341 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,431 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,758 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,008 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,451 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,841 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,700 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,693 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,078 |
| History of Russia Quiz | 0 | - | 4.49 | 31,798 |
| Ancient Greek Words | 0 | - | 4.92 | 110,734 |
| History of Italy | 0 | - | 4.55 | 31,828 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,642 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,491 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,989 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,505 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,165 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,146 |
| Asian Physical Geography | 0 | - | 4.61 | 35,376 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,935 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,852 |
| Asian Island Nations | 0 | - | 4.63 | 93,767 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,184 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,309 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,906 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,470 |
| Arab Spring Countries | 0 | - | 4.51 | 43,833 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,285 |
| The Persian Gulf War | 0 | - | 4.02 | 8,405 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,710 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,614 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,389 |
| Countries that Beat Israel | 0 | - | 4.37 | 30,032 |
| The Vietnam War | 0 | - | 4.43 | 35,303 |
| South Korea Country Quiz | 0 | - | 4.79 | 78,957 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,277 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,264 |
| Afghanistan Country Quiz | 0 | - | 4.45 | 42,905 |
| Bangladesh Country Quiz | 0 | - | 4.78 | 42,803 |
| Pakistan Country Quiz | 0 | - | 4.54 | 61,284 |
| India Country Quiz | 0 | - | 4.44 | 129,658 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,700 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,931 |
| Countries that Visit India the Most | 0 | - | 4.74 | 60,204 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,607 |
| History of South Africa | 0 | - | 4.60 | 17,607 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,689 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,904 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,818 |
| U.S. President Scramble | 0 | - | 4.40 | 116,227 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,705 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,706 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,062 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,653 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,489 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,660 |
| History of Austria | 0 | - | 4.70 | 17,759 |
| Geography of the French Empire | 0 | - | 4.48 | 26,941 |
| The French Revolution | 0 | - | 4.46 | 23,790 |
| History of France | 0 | - | 4.59 | 56,113 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,389 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,243 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,785 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,775 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,673 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,050 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 56,184 |