| English Words of Arabic Origin | 0 | - | 4.54 | 49,861 |
| Japanese Loanwords | 0 | - | 4.47 | 84,823 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,335 |
| German Loan Words | 0 | - | 4.27 | 140,588 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,605 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,093 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,288 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,908 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,289 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,433 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,684 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,608 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,890 |
| Provinces of Turkey | 0 | - | 4.94 | 205,455 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,663 |
| Provinces of China | 0 | - | 4.97 | 207,102 |
| Japanese Prefectures | 0 | - | 4.98 | 138,517 |
| States of India | 0 | - | 4.95 | 195,256 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,343 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,154 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,816 |
| Name that Greek Letter | 0 | - | 4.93 | 324,712 |
| Byzantine History | 0 | - | 4.91 | 28,995 |
| Byzantine Emperors | 0 | - | 4.93 | 14,518 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,950 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,008 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,722 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,994 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,739 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,198 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,411 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,107 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,844 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,760 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,801 |
| Ancient Greek Words | 0 | - | 4.93 | 112,271 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,876 |
| Asian Physical Geography | 0 | - | 4.61 | 35,597 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,181 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,635 |
| Asia's Busiest Airports | 0 | - | 4.69 | 53,052 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,306 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,802 |
| Native American Words | 0 | - | 4.26 | 24,813 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,302 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,920 |
| American to British Word Translation | 0 | - | 4.14 | 139,552 |
| Asian Islands | 0 | - | 4.49 | 20,887 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,372 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,966 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,593 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,112 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,580 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,622 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,691 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,335 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,168 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,242 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,197 |
| A Quiz About Islam | 0 | - | 4.32 | 48,570 |
| Middle East A-Z | 0 | - | 4.47 | 46,210 |
| Flags of the Middle East | 0 | - | 4.69 | 62,778 |
| Iran Country Quiz | 0 | - | 4.49 | 60,595 |
| Iraq Country Quiz | 0 | - | 4.43 | 41,089 |
| Geography of Egypt | 0 | - | 4.60 | 21,587 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,088 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,827 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,224 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,977 |
| Dynasties of China | 0 | - | 4.64 | 28,027 |
| History of China | 0 | - | 4.35 | 57,478 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,540 |
| Sushi Translation | 0 | - | 4.08 | 13,978 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,335 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,782 |
| History of India | 0 | - | 4.62 | 21,490 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,063 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,391 |
| Mythical Creatures #2 | 0 | - | 4.06 | 112,187 |
| Christmas Vocabulary | 0 | - | 4.07 | 33,407 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,059 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,297 |
| Australian Capitals | 0 | - | 4.92 | 62,806 |
| Australia Map Quiz | 0 | - | 4.95 | 345,820 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,135 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,705 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,062 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,495 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,847 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,328 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,590 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,779 |
| Official European Union Languages | 0 | - | 4.97 | 239,471 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,478 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,233 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,776 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,274 |
| The Only European Country ... | 0 | - | 4.91 | 218,430 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,192 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.40 | 82,727 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,005 |
| British Spellings | 0 | - | 4.06 | 99,567 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,196 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,106 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,359 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,988 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,928 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,393 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,177 |
| Asia Map Quiz | 0 | - | 4.99 | 923,243 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,546 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,923 |
| Word Chain - Asia | 0 | - | 4.34 | 29,376 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,702 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,885 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,330 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,601 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,641 |
| History of Egypt | 0 | - | 4.58 | 24,088 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,041 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,665 |
| Chinese Inventions | 0 | - | 4.30 | 33,847 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,441 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,465 |
| Japanese Companies | 0 | - | 4.29 | 34,322 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,974 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,918 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,862 |
| Countries of Africa | 0 | - | 5.00 | 2,553,569 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,272 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,645 |
| African East Coast | 0 | - | 4.96 | 96,584 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,431 |
| Elemental Words | 0 | - | 4.97 | 52,504 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,534 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,840 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,555 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,679 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,902 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,166 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,846 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,475 |
| Flags of Oceania | 0 | - | 5.00 | 261,932 |
| Australian States and Territories | 0 | - | 4.96 | 142,647 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,328 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,450 |
| Australian Slang | 0 | - | 4.24 | 28,701 |
| Australia True or False | 0 | - | 4.87 | 57,076 |
| Flags of North and South America | 0 | - | 4.99 | 375,970 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,874 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,656 |
| The Only American Country ... | 0 | - | 4.92 | 122,069 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,521 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,418 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,255 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,715 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,259 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,121 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,648 |
| North America Map Quiz | 0 | - | 4.98 | 250,886 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,033 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,725 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,782 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,623 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,928 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,818 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,823 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,179 |
| US States Quiz | 0 | - | 5.00 | 16,965,218 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,149 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,272 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,279 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,474 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,390 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,096 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,183 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,578 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,911 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,309 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,857 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,345 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,256 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,624 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,243 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,897 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,628 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,235 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,060 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,297 |
| Monarchies of Europe | 0 | - | 4.90 | 98,677 |
| European Countries with One Border | 0 | - | 4.97 | 183,532 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,280 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,108 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,107 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,962 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,651 |
| Slavic Countries | 0 | - | 4.96 | 112,198 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,980 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,340 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,385 |
