| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,071 |
| Countries Closest to Israel | 0 | - | 4.68 | 105,169 |
| Hindu Countries | 0 | - | 4.85 | 49,444 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,210 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,352 |
| The Iraq War | 0 | - | 4.47 | 15,539 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,707 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,777 |
| Israel Country Quiz | 0 | - | 3.89 | 74,616 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,559 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,199 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,085 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,818 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,907 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,437,103 |
| Asia Map Quiz | 0 | - | 4.99 | 905,751 |
| The Persian Gulf War | 0 | - | 4.02 | 8,395 |
| Countries that Beat Israel | 0 | - | 4.37 | 29,997 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,623 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 45,648 |
| The Vietnam War | 0 | - | 4.43 | 35,276 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,545 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,497 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,297 |
| States of India | 0 | - | 4.94 | 189,681 |
| The American Revolution | 0 | - | 4.52 | 54,031 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,762 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,292 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,987 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,641 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,538 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,262 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,926 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,672 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,318 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,128 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,921 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,585 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,359 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,247 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,586 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,600 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,285 |
| Monarchies of Asia | 0 | - | 4.97 | 70,538 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,019 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,377 |
| Countries of the Middle East | 0 | - | 4.96 | 198,698 |
| Provinces of Turkey | 0 | - | 4.95 | 199,916 |
| Provinces of China | 0 | - | 4.97 | 199,695 |
| Japanese Prefectures | 0 | - | 4.98 | 134,272 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,122 |
| History of India | 0 | - | 4.61 | 21,264 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,128 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,705 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,284 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,350 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,289 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,643 |
| Canadian Prime Ministers | 0 | - | 4.63 | 56,966 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,086 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,482 |
| Byzantine History | 0 | - | 4.91 | 28,582 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,102 |
| Name the English Monarchs | 0 | - | 4.92 | 497,359 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,449 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,155 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,548 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,435 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,930 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,943 |
| History of Iran | 0 | - | 4.65 | 16,257 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,806 |
| Syria Country Quiz | 0 | - | 4.81 | 32,262 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,372 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,722 |
| China Cities Map Quiz | 0 | - | 4.93 | 103,901 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,693 |
| History of China | 0 | - | 4.37 | 56,641 |
| Japan Country Quiz | 0 | - | 4.92 | 141,114 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,725 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,719 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 30,261 |
| Bhutan Country Quiz | 0 | - | 4.87 | 23,991 |
| States of India Map Quiz | 0 | - | 4.82 | 25,986 |
| Countries Bordering India | 0 | - | 4.98 | 162,537 |
| Countries Closest to India | 0 | - | 4.96 | 102,145 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,127 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,889 |
| Arms Exports - United States | 0 | - | 4.70 | 54,265 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,648,491 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,121 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,051 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,096 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,038 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,042 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,848 |
| The Trojan War | 0 | - | 4.83 | 39,393 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,153 |
| Name that Greek Letter | 0 | - | 4.94 | 321,435 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,337 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,976 |
| Roman Emperors | 0 | - | 4.95 | 118,283 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,100 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.18 | 15,481 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,258 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,721 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,779 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,196 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,331 |
| Ottoman Empire Quiz | 0 | - | 4.46 | 16,993 |
| History of Egypt | 0 | - | 4.58 | 23,927 |
| Egypt Country Quiz | 0 | - | 4.82 | 76,985 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,135 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,279 |
| Oman Country Quiz | 0 | - | 4.86 | 26,649 |
| Countries Closest to Cyprus | 0 | - | 4.90 | 54,813 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,381 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,878 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,117 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,448 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,010 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,740 |
| Chinese Inventions | 0 | - | 4.30 | 33,711 |
| China A-Z | 0 | - | 4.55 | 66,670 |
| Countries that Beat China | 0 | - | 4.86 | 114,592 |
| Countries that Border China | 0 | - | 4.96 | 261,670 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,871 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,650 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,830 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,616 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,953 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,239 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,681 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,674 |
| Ancient Greek Words | 0 | - | 4.92 | 110,535 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,611 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,477 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,415 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,784 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,808 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,111 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,444 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,647 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,422 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,805 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,191 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,483 |
| Countries that Beat Egypt | 0 | - | 4.87 | 56,536 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,641 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,567 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,632 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,900 |
| The Life of Gandhi | 0 | - | 4.37 | 13,014 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,889 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,869 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,663 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,330 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,592 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,172 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,695 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,981 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,259 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,271 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,001 |
| History of Russia Quiz | 0 | - | 4.49 | 31,771 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,753 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,354 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,691 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,260 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,891 |
| History of Italy | 0 | - | 4.55 | 31,800 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,100 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,460 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,960 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,356 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,377 |
| Asian Islands | 0 | - | 4.49 | 20,762 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,771 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,344 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,109 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,518 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,021 |
| Asian Physical Geography | 0 | - | 4.61 | 35,358 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,300 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,298 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,138 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,897 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,800 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,069 |
| Asian Island Nations | 0 | - | 4.63 | 93,698 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,875 |
| The Only Asian Country ... | 0 | - | 4.74 | 121,781 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,227 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,616 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,654 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,420 |
| Arab Spring Countries | 0 | - | 4.51 | 43,786 |
| History of Israel | 0 | - | 3.84 | 10,964 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,683 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,352 |
