| English Words of Arabic Origin | 0 | - | 4.54 | 49,588 |
| Japanese Loanwords | 0 | - | 4.47 | 84,323 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,975 |
| German Loan Words | 0 | - | 4.27 | 135,431 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,053 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,097 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,610 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,654 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,220 |
| States of India | 0 | - | 4.94 | 189,772 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,558 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,937 |
| Provinces of Turkey | 0 | - | 4.95 | 200,401 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,392 |
| Provinces of China | 0 | - | 4.97 | 199,771 |
| Japanese Prefectures | 0 | - | 4.98 | 134,351 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,216 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,091 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,348 |
| Name that Greek Letter | 0 | - | 4.94 | 321,469 |
| Byzantine History | 0 | - | 4.91 | 28,590 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,735 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,791 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,286 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,779 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,120 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 108,076 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,007 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,207 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,136 |
| Egypt Country Quiz | 0 | - | 4.82 | 76,992 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,432 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,100 |
| Ancient Greek Words | 0 | - | 4.92 | 110,580 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,610 |
| Asian Physical Geography | 0 | - | 4.61 | 35,362 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,902 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,413 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,238 |
| Israel Immigration by Country | 0 | - | 4.29 | 35,666 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,510 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,908 |
| History of India | 0 | - | 4.61 | 21,268 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,376 |
| Native American Words | 0 | - | 4.26 | 24,701 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,311 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,347 |
| American to British Word Translation | 0 | - | 4.06 | 117,017 |
| Asian Islands | 0 | - | 4.49 | 20,762 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,782 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,352 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,118 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,528 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,025 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,309 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,306 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,140 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,881 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,663 |
| A Quiz About Islam | 0 | - | 4.31 | 48,181 |
| Middle East A-Z | 0 | - | 4.46 | 45,753 |
| Flags of the Middle East | 0 | - | 4.69 | 62,288 |
| Iran Country Quiz | 0 | - | 4.53 | 59,869 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,658 |
| Geography of Egypt | 0 | - | 4.60 | 21,400 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,404 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,146 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,642 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 138,894 |
| Dynasties of China | 0 | - | 4.63 | 27,595 |
| History of China | 0 | - | 4.37 | 56,649 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,152 |
| Sushi Translation | 0 | - | 4.08 | 13,897 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,516 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,171 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,017 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,343 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,255 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,636 |
| Countries of Africa | 0 | - | 5.00 | 2,505,246 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,077 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,748 |
| African East Coast | 0 | - | 4.96 | 94,952 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,641 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,727 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Australia Map Quiz | 0 | - | 4.94 | 342,271 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,114 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,509 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,567 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,904 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,162 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,784 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,537 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,120 |
| Official European Union Languages | 0 | - | 4.97 | 236,388 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,617 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,492 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,381 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,924 |
| The Only European Country ... | 0 | - | 4.91 | 213,562 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,361 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,279 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,535 |
| British Spellings | 0 | - | 4.07 | 99,192 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,892 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,650 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,956 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,471 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,453 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,966 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,444 |
| Asia Map Quiz | 0 | - | 4.99 | 906,118 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,414 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,487 |
| Word Chain - Asia | 0 | - | 4.34 | 29,215 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,347 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,453 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,394 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,136 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.18 | 15,483 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,437 |
| Ottoman Empire Quiz | 0 | - | 4.46 | 17,004 |
| History of Egypt | 0 | - | 4.58 | 23,928 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,706 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,368 |
| Chinese Inventions | 0 | - | 4.30 | 33,713 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,304 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,183 |
| Japanese Companies | 0 | - | 4.28 | 34,064 |
| Four Main Islands of Japan | 0 | - | 4.52 | 26,757 |
| Elemental Words | 0 | - | 4.96 | 51,935 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,414 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,553 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,198 |
| First Name Vocabulary #1 | 0 | - | 3.83 | 48,147 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,327 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,119 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,933 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,374 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,051 |
| The Life of Gandhi | 0 | - | 4.37 | 13,014 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,371 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,472 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,980 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,510 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,488 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,174 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,443 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,207 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,958 |
| The Only African Country ... | 0 | - | 4.99 | 128,289 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,747 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,294 |
| African Island Countries | 0 | - | 4.96 | 100,687 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,489 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,988 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,030 |
| Flags of Oceania | 0 | - | 5.00 | 254,764 |
| Australian States and Territories | 0 | - | 4.95 | 140,570 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,322 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,993 |
| Australian Slang | 0 | - | 4.25 | 28,453 |
| Australia True or False | 0 | - | 4.87 | 56,471 |
| Flags of North and South America | 0 | - | 4.99 | 366,012 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,121 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,099 |
| The Only American Country ... | 0 | - | 4.92 | 120,678 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,278 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,979 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,510 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,543 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,710 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,881 |
| North America Map Quiz | 0 | - | 4.98 | 244,098 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,839 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,820 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,880 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,209 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,349 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,787 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,992 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,446 |
| US States Quiz | 0 | - | 5.00 | 16,683,869 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,247 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,437 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,487 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,558 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,308 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,464 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,227 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,685 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,274 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,780 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,613 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,218 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,976 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,248 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,417 |
