| English Words of Arabic Origin | 0 | - | 4.54 | 49,776 |
| Japanese Loanwords | 0 | - | 4.47 | 84,665 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,398 |
| German Loan Words | 0 | - | 4.27 | 135,835 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,015 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,002 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,543 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,551 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,559 |
| States of India | 0 | - | 4.95 | 193,712 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,293 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,568 |
| Provinces of Turkey | 0 | - | 4.95 | 204,419 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,143 |
| Provinces of China | 0 | - | 4.97 | 204,963 |
| Japanese Prefectures | 0 | - | 4.98 | 137,261 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,192 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,021 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,124 |
| Name that Greek Letter | 0 | - | 4.93 | 323,972 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,597 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,935 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,578 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,944 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,580 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,893 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,674 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,020 |
| Ancient Greek Words | 0 | - | 4.93 | 111,753 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 39,132 |
| Asian Physical Geography | 0 | - | 4.61 | 35,544 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,110 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,564 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,817 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,838 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,710 |
| Countries of the Indian Diaspora | 0 | - | 4.45 | 59,379 |
| History of India | 0 | - | 4.62 | 21,442 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,399 |
| Native American Words | 0 | - | 4.26 | 24,770 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,710 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,769 |
| American to British Word Translation | 0 | - | 4.14 | 139,187 |
| Asian Islands | 0 | - | 4.49 | 20,850 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,181 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,753 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,454 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,956 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,404 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,524 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,577 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,265 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,097 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,078 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,943 |
| A Quiz About Islam | 0 | - | 4.31 | 48,469 |
| Middle East A-Z | 0 | - | 4.47 | 46,076 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,903 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,120 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,080 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,702 |
| Dynasties of China | 0 | - | 4.64 | 27,943 |
| History of China | 0 | - | 4.37 | 57,247 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,437 |
| Sushi Translation | 0 | - | 4.08 | 13,952 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,153 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,312 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,864 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,388 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,802 |
| Countries of Africa | 0 | - | 5.00 | 2,540,766 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,782 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,951 |
| African East Coast | 0 | - | 4.96 | 96,149 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,018 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,088 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,809 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Australia Map Quiz | 0 | - | 4.95 | 344,840 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,271 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,648 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,919 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,514 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,695 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,266 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,229 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,718 |
| Official European Union Languages | 0 | - | 4.97 | 238,692 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,975 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,033 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,441 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,556 |
| The Only European Country ... | 0 | - | 4.91 | 216,995 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,345 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,609 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,217 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,868 |
| British Spellings | 0 | - | 4.06 | 99,472 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,108 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,954 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,241 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,822 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,766 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,267 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,905 |
| Asia Map Quiz | 0 | - | 4.99 | 917,929 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,516 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,803 |
| Word Chain - Asia | 0 | - | 4.34 | 29,341 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,098 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,756 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,895 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,573 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,589 |
| History of Egypt | 0 | - | 4.58 | 24,038 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,930 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,583 |
| Chinese Inventions | 0 | - | 4.30 | 33,811 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,411 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,400 |
| Japanese Companies | 0 | - | 4.28 | 34,240 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,947 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,752 |
| Elemental Words | 0 | - | 4.97 | 52,333 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,499 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,752 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,432 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,608 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,817 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,922 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,627 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,820 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,383 |
| The Life of Gandhi | 0 | - | 4.37 | 13,057 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,021 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,186 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,363 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,156 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,677 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,344 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,345 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,829 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,667 |
| The Only African Country ... | 0 | - | 4.99 | 129,195 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,159 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,215 |
| African Island Countries | 0 | - | 4.96 | 101,725 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,586 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,941 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,284 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 57,967 |
| Flags of Oceania | 0 | - | 5.00 | 259,869 |
| Australian States and Territories | 0 | - | 4.96 | 142,112 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,547 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,326 |
| Australian Slang | 0 | - | 4.24 | 28,639 |
| Australia True or False | 0 | - | 4.87 | 56,904 |
| Flags of North and South America | 0 | - | 4.99 | 373,672 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,666 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,301 |
| The Only American Country ... | 0 | - | 4.92 | 121,708 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,194 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,933 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,706 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,627 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,454 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,068 |
| North America Map Quiz | 0 | - | 4.98 | 248,909 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,748 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,275 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,537 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,594 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,768 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,542 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,218 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,989 |
| US States Quiz | 0 | - | 5.00 | 16,895,147 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,931 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,084 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,948 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,232 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,141 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,919 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,098 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,654 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,775 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,304 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,954 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,690 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,258 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,495 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,447 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,240 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,843 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,321 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,876 |
| Monarchies of Europe | 0 | - | 4.90 | 98,232 |
| European Countries with One Border | 0 | - | 4.97 | 182,939 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,718 |
