| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,946 |
| Countries Closest to Israel | 0 | - | 4.67 | 105,536 |
| Hindu Countries | 0 | - | 4.86 | 49,975 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,805 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,208 |
| The Iraq War | 0 | - | 4.47 | 15,630 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,571 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,369 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,760 |
| Israel Country Quiz | 0 | - | 3.85 | 74,909 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,984 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,191 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,596 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,145 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,235 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,244 |
| Asia Map Quiz | 0 | - | 4.99 | 914,036 |
| The Persian Gulf War | 0 | - | 4.02 | 8,441 |
| Countries that Beat Israel | 0 | - | 4.38 | 30,172 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,610 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,767 |
| The Vietnam War | 0 | - | 4.44 | 35,473 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,980 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,123 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,579 |
| States of India | 0 | - | 4.94 | 192,454 |
| The American Revolution | 0 | - | 4.52 | 54,207 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,834 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,083 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,671 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,889 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,862 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,592 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,050 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,380 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,483 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,938 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,781 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,735 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,609 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,228 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,998 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,220 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,935 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,978 |
| Monarchies of Asia | 0 | - | 4.97 | 70,948 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,714 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,756 |
| Countries of the Middle East | 0 | - | 4.96 | 200,658 |
| Provinces of Turkey | 0 | - | 4.95 | 203,528 |
| Provinces of China | 0 | - | 4.97 | 203,262 |
| Japanese Prefectures | 0 | - | 4.98 | 136,294 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,683 |
| History of India | 0 | - | 4.61 | 21,391 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,382 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,101 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,636 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,129 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,843 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,407 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,654 |
| Byzantine History | 0 | - | 4.91 | 28,748 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,163 |
| Name the English Monarchs | 0 | - | 4.91 | 501,261 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,799 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 125,732 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,625 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,302 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,709 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,264 |
| History of Iran | 0 | - | 4.66 | 16,335 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,911 |
| Syria Country Quiz | 0 | - | 4.81 | 32,653 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,655 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,898 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,276 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,869 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,363 |
| History of China | 0 | - | 4.37 | 57,020 |
| Japan Country Quiz | 0 | - | 4.93 | 142,171 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,238 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,156 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,168 |
| States of India Map Quiz | 0 | - | 4.83 | 26,342 |
| Countries Bordering India | 0 | - | 4.98 | 163,303 |
| Countries Closest to India | 0 | - | 4.97 | 102,605 |
| Top 10 Richest Countries in Africa | 0 | - | 4.86 | 75,866 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,383 |
| Arms Exports - United States | 0 | - | 4.75 | 62,232 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,686,623 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,466 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,244 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,377 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,224 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,622 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,712 |
| The Trojan War | 0 | - | 4.83 | 39,633 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,882 |
| Name that Greek Letter | 0 | - | 4.93 | 323,015 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,491 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,394 |
| Roman Emperors | 0 | - | 4.95 | 119,616 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,369 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,540 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,449 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,127 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,208 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,838 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,955 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,095 |
| History of Egypt | 0 | - | 4.58 | 24,005 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,374 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,497 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,484 |
| Oman Country Quiz | 0 | - | 4.86 | 26,847 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,370 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,378 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,662 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,830 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,403 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,888 |
| Chinese Inventions | 0 | - | 4.30 | 33,778 |
| China A-Z | 0 | - | 4.55 | 67,083 |
| Countries that Beat China | 0 | - | 4.86 | 115,448 |
| Countries that Border China | 0 | - | 4.96 | 262,787 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,304 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,010 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,421 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,769 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,220 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,734 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,266 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,401 |
| Ancient Greek Words | 0 | - | 4.93 | 111,300 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,092 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,699 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,093 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,598 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,835 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,434 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,478 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,907 |
| The Only Remaining Asian Country . . . | 0 | - | 4.63 | 45,713 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,898 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,675 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,534 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,885 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,868 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,992 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,808 |
| India Cities Map Quiz | 0 | - | 4.64 | 60,973 |
| Countries of the Indian Diaspora | 0 | - | 4.49 | 58,651 |
| The Life of Gandhi | 0 | - | 4.37 | 13,042 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,323 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,061 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,750 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 380,993 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,249 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,247 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,904 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,258 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,784 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,093 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,550 |
| History of Russia Quiz | 0 | - | 4.49 | 31,878 |
| Arms Exports - Russia | 0 | - | 4.48 | 25,118 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,813 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,398 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,430 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,206 |
| History of Italy | 0 | - | 4.55 | 31,929 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,962 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,604 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,154 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,783 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,577 |
| Asian Islands | 0 | - | 4.49 | 20,815 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,051 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,603 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,341 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,806 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,278 |
| Asian Physical Geography | 0 | - | 4.60 | 35,474 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,463 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,487 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,219 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,047 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,072 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,235 |
| Asian Island Nations | 0 | - | 4.63 | 94,063 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,019 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,259 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,646 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,774 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,926 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,726 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,825 |
| Arab Spring Countries | 0 | - | 4.51 | 43,971 |
| History of Israel | 0 | - | 3.79 | 11,028 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,802 |
