| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,082 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 45,648 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,805 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,724 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,649,334 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,160 |
| Hindu Countries | 0 | - | 4.85 | 49,450 |
| Name the Popes Quiz | 0 | - | 4.47 | 136,971 |
| Countries of the Popes | 0 | - | 4.79 | 127,086 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,315 |
| Asia Map Quiz | 0 | - | 4.99 | 905,997 |
| Countries that Beat Israel | 0 | - | 4.37 | 30,000 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,224 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,971 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,208 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,150 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,554 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,627 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,272 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,678 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,324 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,142 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,598 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,372 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,603 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,333 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,632 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,029 |
| Countries of the Middle East | 0 | - | 4.96 | 198,723 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,806 |
| Countries Closest to Israel | 0 | - | 4.68 | 105,183 |
| States of India | 0 | - | 4.94 | 189,733 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,793 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,310 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,259 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,998 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,931 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,933 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,257 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,304 |
| Monarchies of Asia | 0 | - | 4.97 | 70,545 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,383 |
| Provinces of Turkey | 0 | - | 4.95 | 200,155 |
| Israel Country Quiz | 0 | - | 3.89 | 74,621 |
| Provinces of China | 0 | - | 4.97 | 199,738 |
| Japanese Prefectures | 0 | - | 4.98 | 134,315 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,131 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,729 |
| States of India Map Quiz | 0 | - | 4.82 | 25,987 |
| History of India | 0 | - | 4.61 | 21,265 |
| Countries Bordering India | 0 | - | 4.98 | 162,543 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,132 |
| Countries Closest to India | 0 | - | 4.96 | 102,151 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,714 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,285 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,795 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,645 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,136 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,703 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,486 |
| Byzantine History | 0 | - | 4.91 | 28,586 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,121 |
| Name the English Monarchs | 0 | - | 4.92 | 497,431 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,455 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,109 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,572 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,454 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,948 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,946 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,731 |
| History of Iran | 0 | - | 4.65 | 16,258 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,788 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,221 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,364 |
| Ottoman Empire Quiz | 0 | - | 4.46 | 16,999 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,153 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,282 |
| Syria Country Quiz | 0 | - | 4.81 | 32,267 |
| Countries Closest to Cyprus | 0 | - | 4.90 | 54,825 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,383 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,736 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,882 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,456 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,025 |
| China Cities Map Quiz | 0 | - | 4.93 | 103,931 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,700 |
| Chinese Inventions | 0 | - | 4.30 | 33,712 |
| History of China | 0 | - | 4.37 | 56,646 |
| Countries that Border China | 0 | - | 4.96 | 261,703 |
| Japan Country Quiz | 0 | - | 4.92 | 141,123 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,882 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,661 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,841 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,734 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 30,420 |
| Bhutan Country Quiz | 0 | - | 4.87 | 23,993 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,895 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,749 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,855 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,370 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,918 |
| Presidential Middle Names | 0 | - | 4.41 | 59,641 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,677 |
| Assassinated U.S. Presidents | 0 | - | 4.61 | 93,748 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,145 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,100 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,695 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,954 |
| The Trojan War | 0 | - | 4.83 | 39,400 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,270 |
| Name that Greek Letter | 0 | - | 4.94 | 321,451 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,371 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,982 |
| Roman Emperors | 0 | - | 4.95 | 118,312 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,480 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,429 |
| Pope Facts | 0 | - | 4.39 | 31,015 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,845 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.18 | 15,482 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,265 |
| The Iraq War | 0 | - | 4.47 | 15,539 |
| History of Egypt | 0 | - | 4.58 | 23,928 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,490 |
| Egypt Country Quiz | 0 | - | 4.82 | 76,987 |
| Oman Country Quiz | 0 | - | 4.86 | 26,653 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,386 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,124 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,743 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,646 |
| Countries that Beat China | 0 | - | 4.86 | 114,614 |
| The Life of Gandhi | 0 | - | 4.37 | 13,014 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,894 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,313 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,366 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,709 |
| The American Revolution | 0 | - | 4.52 | 54,036 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,028 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,309 |
| Top 11 Most Catholic U.S. States | 0 | - | 4.24 | 21,897 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,375 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,935 |
| History of Russia Quiz | 0 | - | 4.49 | 31,772 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,361 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,268 |
| Ancient Greek Words | 0 | - | 4.92 | 110,554 |
| History of Italy | 0 | - | 4.55 | 31,800 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,465 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,963 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,357 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,061 |
| Asian Physical Geography | 0 | - | 4.61 | 35,362 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,900 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,802 |
| Asian Island Nations | 0 | - | 4.63 | 93,704 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,116 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,232 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,491 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,650 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,426 |
| Arab Spring Countries | 0 | - | 4.51 | 43,788 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,200 |
| The Persian Gulf War | 0 | - | 4.02 | 8,397 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,683 |
| Countries that Beat Egypt | 0 | - | 4.87 | 56,546 |
| The Vietnam War | 0 | - | 4.43 | 35,278 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,223 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,216 |
| Afghanistan Country Quiz | 0 | - | 4.45 | 42,808 |
| Bangladesh Country Quiz | 0 | - | 4.78 | 42,749 |
| Pakistan Country Quiz | 0 | - | 4.54 | 61,204 |
| India Country Quiz | 0 | - | 4.44 | 129,521 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,638 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,903 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,361 |
| History of South Africa | 0 | - | 4.60 | 17,592 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,155 |
| First Ladies of the United States | 0 | - | 4.28 | 85,198 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,807 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,101 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,188 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 15,987 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,628 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,818 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,608 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,621 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,673 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,898 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,038 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,097 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,577 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,221 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,706 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,188 |
| History of Austria | 0 | - | 4.70 | 17,738 |
| Geography of the French Empire | 0 | - | 4.48 | 26,914 |
| The French Revolution | 0 | - | 4.46 | 23,751 |
| History of France | 0 | - | 4.59 | 55,899 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,372 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,016 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,699 |
