| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,053 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,619 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,714 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,554 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,773 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,717 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,602 |
| Asia Map Quiz | 0 | - | 4.99 | 914,531 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,696 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,647 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,237 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,322 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,476 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,877 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,089 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,473 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,497 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,224 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,534 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,973 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,817 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,660 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,280 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,258 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,011 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,762 |
| Countries of the Middle East | 0 | - | 4.96 | 200,748 |
| Afghanistan Country Quiz | 0 | - | 4.45 | 43,217 |
| States of India | 0 | - | 4.94 | 192,637 |
| History of India | 0 | - | 4.61 | 21,396 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,283 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,936 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,889 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,133 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,295 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,708 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,406 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,782 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,002 |
| Monarchies of Asia | 0 | - | 4.97 | 70,985 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,779 |
| History of Iran | 0 | - | 4.66 | 16,340 |
| Provinces of Turkey | 0 | - | 4.95 | 203,670 |
| Provinces of China | 0 | - | 4.97 | 203,488 |
| History of China | 0 | - | 4.37 | 57,048 |
| Japanese Prefectures | 0 | - | 4.98 | 136,444 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,710 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,180 |
| States of India Map Quiz | 0 | - | 4.83 | 26,400 |
| Countries Bordering India | 0 | - | 4.98 | 163,322 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,390 |
| Countries Closest to India | 0 | - | 4.97 | 102,638 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,126 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,657 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,096 |
| Name a Valid African Country | 0 | - | 4.98 | 153,771 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,196 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,688,258 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,521 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,396 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,640 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,305 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,693 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,789 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,985 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,355 |
| Byzantine History | 0 | - | 4.91 | 28,755 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,239 |
| Name the English Monarchs | 0 | - | 4.91 | 501,511 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,711 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,830 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,017 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,382 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,547 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,293 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,148 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,231 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,881 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,994 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,102 |
| Geography of Egypt | 0 | - | 4.60 | 21,493 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,522 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,489 |
| Syria Country Quiz | 0 | - | 4.81 | 32,677 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,410 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,681 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,939 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,314 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,417 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,852 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,426 |
| Geography of China | 0 | - | 4.21 | 13,936 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,925 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,410 |
| Chinese Inventions | 0 | - | 4.30 | 33,781 |
| Countries that Border China | 0 | - | 4.96 | 262,859 |
| Japan Country Quiz | 0 | - | 4.93 | 142,223 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,329 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,042 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,456 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,260 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,301 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,182 |
| Countries that Beat India | 0 | - | 4.41 | 62,866 |
| Hindu Countries | 0 | - | 4.86 | 50,009 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,342 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,546 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,930 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,294 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,470 |
| The Trojan War | 0 | - | 4.83 | 39,651 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,140 |
| Name that Greek Letter | 0 | - | 4.93 | 323,096 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,544 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,420 |
| Roman Emperors | 0 | - | 4.95 | 119,659 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,150 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,125 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,240 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,471 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,861 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,450 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,724 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,713 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,463 |
| History of Egypt | 0 | - | 4.58 | 24,008 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,413 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,298 |
| Oman Country Quiz | 0 | - | 4.86 | 26,860 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,894 |
| Countries that Beat China | 0 | - | 4.86 | 115,494 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,875 |
| The Life of Gandhi | 0 | - | 4.37 | 13,045 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,843 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,341 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,103 |
| Names of Generations | 0 | - | 4.10 | 44,185 |
| American History Quotes #1 | 0 | - | 4.37 | 95,959 |
| American History Quotes #2 | 0 | - | 4.38 | 41,372 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,406 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,215 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,765 |
| History of Russia Quiz | 0 | - | 4.49 | 31,880 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,195 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,602 |
| Ancient Greek Words | 0 | - | 4.93 | 111,359 |
| History of Italy | 0 | - | 4.55 | 31,936 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,613 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,663 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,167 |
| Geography of Spain | 0 | - | 4.59 | 22,051 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,794 |
| Asian Physical Geography | 0 | - | 4.60 | 35,480 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,054 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,098 |
| Asian Island Nations | 0 | - | 4.63 | 94,089 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,663 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,650 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,923 |
| Arab Spring Countries | 0 | - | 4.51 | 43,980 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,808 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,915 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,892 |
| India Cities Map Quiz | 0 | - | 4.64 | 61,003 |
| Countries of the Indian Diaspora | 0 | - | 4.48 | 58,827 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,938 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,884 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,879 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,100 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,352 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,668 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,211 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,868 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,157 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,184 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,273 |
| German Groups of Things | 0 | - | 4.46 | 38,440 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,327 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,005 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,076 |
| Asian Islands | 0 | - | 4.49 | 20,819 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,069 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,629 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,360 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,820 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,300 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,692 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,248 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,031 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,288 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,783 |
| Random Asian City to Country | 0 | - | 4.56 | 44,458 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,946 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,757 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,854 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,784 |
| Provinces of the Philippines | 0 | - | 4.56 | 49,538 |
| The Vietnam War | 0 | - | 4.44 | 35,482 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,347 |
| Inventions by Country #1 | 0 | - | 4.47 | 54,997 |
