| Provinces of China | 0 | - | 4.97 | 202,555 |
| Japanese Prefectures | 0 | - | 4.98 | 135,899 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,308 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,289 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,394 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,559 |
| Chinese Inventions | 0 | - | 4.30 | 33,762 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,354 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,294 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,609 |
| Ancient Greek Words | 0 | - | 4.93 | 111,166 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,092 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,683 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,591 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,374 |
| Dynasties of China | 0 | - | 4.64 | 27,759 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,090 |
| States of India | 0 | - | 4.94 | 191,908 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,195 |
| Provinces of Turkey | 0 | - | 4.95 | 203,138 |
| Famous Chinese People | 0 | - | 4.09 | 11,842 |
| History of China | 0 | - | 4.37 | 56,943 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,814 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,519 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,564 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,397 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,946 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,440 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,795 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,688 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,704 |
| Provinces of China Map Quiz | 0 | - | 4.91 | 93,267 |
| Japan Country Quiz | 0 | - | 4.93 | 141,998 |
| Japanese Companies | 0 | - | 4.28 | 34,162 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,879 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,708 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,583 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,001 |
| Name that Greek Letter | 0 | - | 4.93 | 322,696 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,362 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,549 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,341 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,564 |
| Japanese Loanwords | 0 | - | 4.47 | 84,497 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,013 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,240 |
| Asian Physical Geography | 0 | - | 4.61 | 35,458 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,019 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,501 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,572 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,627 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,622 |
| Countries of the Indian Diaspora | 0 | - | 4.49 | 58,153 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,505 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,350 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.73 | 65,560 |
| German Loan Words | 0 | - | 4.27 | 135,645 |
| Asian Islands | 0 | - | 4.49 | 20,804 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,971 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,531 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,272 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,731 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,204 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,428 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,455 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,205 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,999 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,857 |
| Middle East A-Z | 0 | - | 4.47 | 45,934 |
| Provinces of the Philippines | 0 | - | 4.56 | 49,163 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,399 |
| History of India | 0 | - | 4.61 | 21,362 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,638 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,033 |
| Australian Capitals | 0 | - | 4.92 | 62,669 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,884 |
| Official European Union Languages | 0 | - | 4.97 | 237,776 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,395 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,758 |
| American to British Word Translation | 0 | - | 4.13 | 138,438 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,501 |
| Asia Map Quiz | 0 | - | 4.99 | 911,715 |
| A Quiz About Islam | 0 | - | 4.31 | 48,345 |
| History of Iran | 0 | - | 4.66 | 16,315 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,680 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,864 |
| Sushi Translation | 0 | - | 4.08 | 13,922 |
| South Korea Country Quiz | 0 | - | 4.79 | 79,264 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,715 |
| Countries of Africa | 0 | - | 5.00 | 2,523,460 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,352 |
| African East Coast | 0 | - | 4.96 | 95,597 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,420 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,256 |
| Australia Map Quiz | 0 | - | 4.94 | 343,413 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,517 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,766 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,257 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,501 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,092 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,410 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,433 |
| The Only European Country ... | 0 | - | 4.91 | 215,359 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,449 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,435 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,688 |
| British Spellings | 0 | - | 4.06 | 99,365 |
| Asian Geography By Letter - S | 0 | - | 4.16 | 55,997 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,817 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,102 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,644 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,611 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,125 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,480 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,643 |
| Word Chain - Asia | 0 | - | 4.34 | 29,280 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,294 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,603 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,629 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,591 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,521 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,522 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,082 |
| History of Egypt | 0 | - | 4.58 | 23,985 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,835 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,489 |
| China Country Quiz | 0 | - | 4.37 | 121,549 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,608 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,228 |
| The Life of Gandhi | 0 | - | 4.37 | 13,033 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,717 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,439 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,216 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,339 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,966 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,768 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,891 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,510 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,848 |
| The Only African Country ... | 0 | - | 4.99 | 128,761 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,953 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,313 |
| African Island Countries | 0 | - | 4.96 | 101,227 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,731 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,470 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,786 |
| Flags of Oceania | 0 | - | 5.00 | 257,275 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,157 |
| Australian States and Territories | 0 | - | 4.96 | 141,447 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,941 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,162 |
| Australian Slang | 0 | - | 4.24 | 28,561 |
| Australia True or False | 0 | - | 4.87 | 56,701 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,345 |
| Regions of New Zealand | 0 | - | 4.85 | 28,419 |
| Flags of North and South America | 0 | - | 4.99 | 370,643 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,431 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,577 |
| The Only American Country ... | 0 | - | 4.92 | 121,223 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,775 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,985 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,367 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,474 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,038 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,103 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,494 |
| North America Map Quiz | 0 | - | 4.98 | 246,868 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,356 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,578 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,245 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,923 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,575 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,211 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,532 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,717 |
| US States Quiz | 0 | - | 5.00 | 16,792,578 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,638 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,189 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,139 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,916 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,784 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,713 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,327 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,070 |
| Celtic Nations | 0 | - | 4.69 | 46,880 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,648 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,042 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,216 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,761 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,485 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,023 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,821 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,607 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,144 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,662 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,503 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,731 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,303 |
| Monarchies of Europe | 0 | - | 4.90 | 97,757 |
