| English Words of Arabic Origin | 0 | - | 4.54 | 49,724 |
| Japanese Loanwords | 0 | - | 4.47 | 84,579 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,759 |
| German Loan Words | 0 | - | 4.27 | 135,739 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,780 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,649 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,250 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,299 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,064 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,453 |
| States of India | 0 | - | 4.94 | 192,732 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,108 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,422 |
| Provinces of Turkey | 0 | - | 4.95 | 203,742 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,958 |
| Provinces of China | 0 | - | 4.97 | 203,656 |
| Japanese Prefectures | 0 | - | 4.98 | 136,517 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,354 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,209 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,337 |
| Name that Greek Letter | 0 | - | 4.93 | 323,154 |
| Byzantine History | 0 | - | 4.91 | 28,760 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,170 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,260 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,505 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,892 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,461 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,733 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,848 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,732 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,433 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,615 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,948 |
| Ancient Greek Words | 0 | - | 4.93 | 111,397 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,445 |
| Asian Physical Geography | 0 | - | 4.60 | 35,488 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,058 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,536 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,688 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,051 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,655 |
| Countries of the Indian Diaspora | 0 | - | 4.48 | 58,922 |
| History of India | 0 | - | 4.61 | 21,404 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,941 |
| Native American Words | 0 | - | 4.26 | 24,755 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,811 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,646 |
| American to British Word Translation | 0 | - | 4.14 | 138,806 |
| Asian Islands | 0 | - | 4.49 | 20,822 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,084 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,637 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,370 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,833 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,311 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,479 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,511 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,230 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,041 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,961 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,778 |
| A Quiz About Islam | 0 | - | 4.31 | 48,404 |
| Middle East A-Z | 0 | - | 4.47 | 45,979 |
| Flags of the Middle East | 0 | - | 4.69 | 62,569 |
| Iran Country Quiz | 0 | - | 4.51 | 60,283 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,892 |
| Geography of Egypt | 0 | - | 4.60 | 21,496 |
| Countries That Don't Recognize Israel | 0 | - | 4.67 | 34,769 |
| Provinces of the Philippines | 0 | - | 4.56 | 49,589 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,977 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,525 |
| Dynasties of China | 0 | - | 4.64 | 27,857 |
| History of China | 0 | - | 4.37 | 57,073 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,353 |
| Sushi Translation | 0 | - | 4.08 | 13,937 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,001 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,277 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,601 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,375 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,618 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,755 |
| Countries of Africa | 0 | - | 5.00 | 2,531,246 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,201 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,654 |
| African East Coast | 0 | - | 4.96 | 95,865 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,668 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,880 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,506 |
| Australian Capitals | 0 | - | 4.92 | 62,700 |
| Australia Map Quiz | 0 | - | 4.95 | 343,903 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,607 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,606 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,835 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,837 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,593 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,618 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,024 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,053 |
| Official European Union Languages | 0 | - | 4.97 | 238,201 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,653 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,903 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,905 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,636 |
| The Only European Country ... | 0 | - | 4.91 | 216,088 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,829 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,509 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,770 |
| British Spellings | 0 | - | 4.06 | 99,413 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,060 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,890 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,174 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,729 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,690 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,190 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,991 |
| Asia Map Quiz | 0 | - | 4.99 | 914,917 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,496 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,718 |
| Word Chain - Asia | 0 | - | 4.34 | 29,309 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,704 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,677 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,530 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,549 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,552 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,108 |
| History of Egypt | 0 | - | 4.58 | 24,011 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,887 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,545 |
| Chinese Inventions | 0 | - | 4.30 | 33,786 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,377 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,351 |
| Japanese Companies | 0 | - | 4.28 | 34,194 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,919 |
| Elemental Words | 0 | - | 4.96 | 52,231 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,485 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,704 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,365 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,550 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,757 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,777 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,489 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,691 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,288 |
| The Life of Gandhi | 0 | - | 4.37 | 13,047 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,894 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,593 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,297 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,719 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,430 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,052 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,119 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,680 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,241 |
| The Only African Country ... | 0 | - | 4.98 | 128,973 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,071 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,754 |
| African Island Countries | 0 | - | 4.96 | 101,470 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,117 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,700 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,033 |
| Flags of Oceania | 0 | - | 5.00 | 258,333 |
| Australian States and Territories | 0 | - | 4.96 | 141,726 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,223 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,238 |
| Australian Slang | 0 | - | 4.24 | 28,600 |
| Australia True or False | 0 | - | 4.87 | 56,789 |
| Flags of North and South America | 0 | - | 4.99 | 372,140 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,529 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,112 |
| The Only American Country ... | 0 | - | 4.92 | 121,431 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,967 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,425 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,698 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,605 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,974 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,742 |
| North America Map Quiz | 0 | - | 4.98 | 247,848 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,566 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,918 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,377 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,220 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,668 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,355 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,779 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,832 |
| US States Quiz | 0 | - | 5.00 | 16,838,991 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,767 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,565 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,343 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,060 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,960 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,808 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,367 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,693 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,669 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,469 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,014 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,710 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,295 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,018 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,981 |
