| 10 Plagues of Egypt | 0 | - | 4.41 | 53,865 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,475 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,093 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,708,534 |
| Hindu Countries | 0 | - | 4.86 | 50,306 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,211 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,434 |
| Countries of the Popes | 0 | - | 4.79 | 128,343 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,746 |
| Asia Map Quiz | 0 | - | 4.99 | 919,730 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,606 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,479 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,686 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,025 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,907 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,298 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,870 |
| States of India | 0 | - | 4.95 | 194,126 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,754 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,443 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,108 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,325 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,142 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,197 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,840 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,266 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,413 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,714 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,029 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,368 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,227 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,267 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,243 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,799 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,555 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,650 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,766 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,391 |
| Monarchies of Asia | 0 | - | 4.97 | 71,227 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,113 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,023 |
| Countries of the Middle East | 0 | - | 4.96 | 201,697 |
| Provinces of Turkey | 0 | - | 4.95 | 204,668 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 61,342 |
| Provinces of China | 0 | - | 4.97 | 205,643 |
| Japanese Prefectures | 0 | - | 4.98 | 137,604 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,021 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,473 |
| History of India | 0 | - | 4.62 | 21,454 |
| Countries Bordering India | 0 | - | 4.98 | 163,563 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,520 |
| Countries Closest to India | 0 | - | 4.97 | 102,940 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,350 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,821 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,076 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,901 |
| Name that Greek Letter | 0 | - | 4.93 | 324,175 |
| Byzantine History | 0 | - | 4.91 | 28,919 |
| Byzantine Emperors | 0 | - | 4.92 | 14,367 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,988 |
| Name the English Monarchs | 0 | - | 4.91 | 503,966 |
| Prime Ministers of the UK | 0 | - | 4.95 | 440,077 |
| Pope Facts | 0 | - | 4.39 | 31,293 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,486 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,525 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,352 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,095 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,227 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,504 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,665 |
| History of Iran | 0 | - | 4.66 | 16,373 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,733 |
| The Iraq War | 0 | - | 4.47 | 15,674 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,567 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,523 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 132,321 |
| Syria Country Quiz | 0 | - | 4.81 | 32,883 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,749 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,891 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,404 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,698 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,718 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,138 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,886 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,442 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,902 |
| History of China | 0 | - | 4.37 | 57,324 |
| Countries that Border China | 0 | - | 4.96 | 263,560 |
| Japan Country Quiz | 0 | - | 4.93 | 142,739 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,566 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,277 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,824 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,580 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,266 |
| States of India Map Quiz | 0 | - | 4.83 | 26,612 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,170 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,927 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,720 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,999 |
| Presidential Middle Names | 0 | - | 4.41 | 60,410 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,453 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,669 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,485 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,585 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,906 |
| The Trojan War | 0 | - | 4.83 | 39,799 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,250 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,513 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,654 |
| Roman Emperors | 0 | - | 4.95 | 120,399 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,915 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,029 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,228 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,582 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,594 |
| History of Egypt | 0 | - | 4.58 | 24,061 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,203 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,654 |
| Israel Country Quiz | 0 | - | 3.84 | 75,091 |
| Countries Closest to Israel | 0 | - | 4.69 | 106,281 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,630 |
| Oman Country Quiz | 0 | - | 4.86 | 26,970 |
| Singapore Airlines Destinations on a Map | 0 | - | 4.93 | 25,011 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,106 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,984 |
| Chinese Inventions | 0 | - | 4.30 | 33,823 |
| Countries that Beat China | 0 | - | 4.85 | 116,135 |
| The Life of Gandhi | 0 | - | 4.37 | 13,062 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,549 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,073 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,495 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,281 |
| First Ladies of the United States | 0 | - | 4.28 | 85,747 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,248 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,314 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,254 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,367 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,053 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,237 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,216 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,998 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,477 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,857 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,216 |
| History of Russia Quiz | 0 | - | 4.47 | 31,950 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,603 |
| Ancient Greek Words | 0 | - | 4.93 | 111,914 |
| History of Italy | 0 | - | 4.55 | 32,053 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,279 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,720 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,296 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,957 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,978 |
| Asian Physical Geography | 0 | - | 4.61 | 35,562 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,137 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,289 |
| Asian Island Nations | 0 | - | 4.63 | 94,287 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,622 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,901 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,039 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,927 |
| Arab Spring Countries | 0 | - | 4.51 | 44,099 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,954 |
| The Persian Gulf War | 0 | - | 4.02 | 8,462 |
| Ottoman Empire Quiz | 0 | - | 4.37 | 17,164 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,874 |
| Countries that Beat Egypt | 0 | - | 4.88 | 57,128 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,584 |
| Countries that Beat Israel | 0 | - | 4.38 | 30,295 |
| The Vietnam War | 0 | - | 4.44 | 35,578 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,620 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,580 |
| Afghanistan Country Quiz | 0 | - | 4.45 | 43,407 |
| Kazakhstan Country Quiz | 0 | - | 4.74 | 36,533 |
| Bangladesh Country Quiz | 0 | - | 4.78 | 43,211 |
| Pakistan Country Quiz | 0 | - | 4.54 | 61,889 |
| India Country Quiz | 0 | - | 4.43 | 130,757 |
| India Cities Map Quiz | 0 | - | 4.67 | 61,195 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,500 |
| Countries that Visit India the Most | 0 | - | 4.74 | 60,957 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,601 |
| History of South Africa | 0 | - | 4.60 | 17,717 |
| Prime Ministers of Australia | 0 | - | 4.50 | 32,003 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 630,122 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,981 |
| U.S. President Scramble | 0 | - | 4.40 | 116,926 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,949 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,403 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,645 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,326 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,595 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,594 |
| History of Austria | 0 | - | 4.70 | 17,905 |
| Geography of the French Empire | 0 | - | 4.45 | 27,155 |
| The French Revolution | 0 | - | 4.47 | 24,064 |
| History of France | 0 | - | 4.59 | 57,275 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,982 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,075 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,947 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,728 |