| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,788 |
| Countries Closest to Israel | 0 | - | 4.67 | 105,490 |
| Hindu Countries | 0 | - | 4.86 | 49,887 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,714 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,031 |
| The Iraq War | 0 | - | 4.47 | 15,616 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,421 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,243 |
| Israel Country Quiz | 0 | - | 3.85 | 74,866 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,788 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,001 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,000 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,083 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,178 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,710 |
| Asia Map Quiz | 0 | - | 4.99 | 911,904 |
| The Persian Gulf War | 0 | - | 4.02 | 8,432 |
| Countries that Beat Israel | 0 | - | 4.38 | 30,145 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,725 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,735 |
| The Vietnam War | 0 | - | 4.43 | 35,429 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,881 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,794 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,319 |
| States of India | 0 | - | 4.94 | 191,977 |
| The American Revolution | 0 | - | 4.52 | 54,168 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,643 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,948 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,561 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,850 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,802 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,583 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,915 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,200 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,315 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,802 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,651 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,595 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,422 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,073 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,877 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,110 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,708 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,862 |
| Monarchies of Asia | 0 | - | 4.97 | 70,877 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,611 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,690 |
| Countries of the Middle East | 0 | - | 4.96 | 200,059 |
| Provinces of Turkey | 0 | - | 4.95 | 203,191 |
| Provinces of China | 0 | - | 4.97 | 202,633 |
| Japanese Prefectures | 0 | - | 4.98 | 135,934 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,581 |
| History of India | 0 | - | 4.61 | 21,363 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,343 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,023 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,580 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,673 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,852 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,808 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,326 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,246 |
| Byzantine History | 0 | - | 4.91 | 28,720 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,981 |
| Name the English Monarchs | 0 | - | 4.91 | 500,540 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,723 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,178 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,439 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,144 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,565 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,196 |
| History of Iran | 0 | - | 4.66 | 16,318 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,895 |
| Syria Country Quiz | 0 | - | 4.81 | 32,583 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,807 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,185 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,733 |
| Provinces of China Map Quiz | 0 | - | 4.91 | 93,282 |
| History of China | 0 | - | 4.37 | 56,952 |
| Japan Country Quiz | 0 | - | 4.93 | 142,018 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,132 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,090 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,141 |
| States of India Map Quiz | 0 | - | 4.83 | 26,270 |
| Countries Bordering India | 0 | - | 4.98 | 163,235 |
| Countries Closest to India | 0 | - | 4.97 | 102,523 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,597 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,292 |
| Arms Exports - United States | 0 | - | 4.75 | 62,094 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,678,922 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,179 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,207 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,326 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,893 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,469 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,585 |
| The Trojan War | 0 | - | 4.83 | 39,596 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,118 |
| Name that Greek Letter | 0 | - | 4.93 | 322,754 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,295 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,330 |
| Roman Emperors | 0 | - | 4.95 | 119,425 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,320 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,523 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,424 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,065 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,125 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,747 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,854 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,084 |
| History of Egypt | 0 | - | 4.58 | 23,988 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,306 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,430 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,447 |
| Oman Country Quiz | 0 | - | 4.86 | 26,805 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,276 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,603 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,306 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,558 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,752 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,333 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,865 |
| Chinese Inventions | 0 | - | 4.30 | 33,764 |
| China A-Z | 0 | - | 4.55 | 67,014 |
| Countries that Beat China | 0 | - | 4.86 | 115,280 |
| Countries that Border China | 0 | - | 4.96 | 262,621 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,225 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,951 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,323 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,749 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,167 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,311 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,158 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,793 |
| Ancient Greek Words | 0 | - | 4.93 | 111,186 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,003 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,656 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,961 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,442 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,831 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,370 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,126 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,872 |
| The Only Remaining Asian Country . . . | 0 | - | 4.63 | 45,646 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,877 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,580 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,432 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,820 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,821 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,902 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,771 |
| India Cities Map Quiz | 0 | - | 4.64 | 60,915 |
| Countries of the Indian Diaspora | 0 | - | 4.49 | 58,229 |
| The Life of Gandhi | 0 | - | 4.37 | 13,035 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,247 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,032 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,726 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,575 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,911 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,236 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,876 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,868 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,512 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,865 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,069 |
| History of Russia Quiz | 0 | - | 4.49 | 31,859 |
| Arms Exports - Russia | 0 | - | 4.48 | 25,103 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,730 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,288 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,410 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,151 |
| History of Italy | 0 | - | 4.55 | 31,911 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,427 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,586 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,115 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,750 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,484 |
| Asian Islands | 0 | - | 4.49 | 20,810 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,973 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,533 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,275 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,739 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,207 |
| Asian Physical Geography | 0 | - | 4.61 | 35,461 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,430 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,459 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,207 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,023 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,024 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,207 |
| Asian Island Nations | 0 | - | 4.63 | 93,990 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,001 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,183 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,583 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,737 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,860 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,638 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,740 |
| Arab Spring Countries | 0 | - | 4.51 | 43,934 |
| History of Israel | 0 | - | 3.79 | 11,022 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,788 |
