| Japanese Loanwords | 0 | - | 4.47 | 84,325 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,591 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,986 |
| German Loan Words | 0 | - | 4.27 | 135,433 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,072 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,128 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,616 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,663 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,224 |
| States of India | 0 | - | 4.94 | 189,821 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,562 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,944 |
| Provinces of Turkey | 0 | - | 4.95 | 200,452 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,396 |
| Provinces of China | 0 | - | 4.97 | 199,807 |
| Japanese Prefectures | 0 | - | 4.98 | 134,377 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,244 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,102 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,396 |
| Name that Greek Letter | 0 | - | 4.94 | 321,481 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,287 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,780 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,125 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,081 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,011 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,214 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,435 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,646 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,666 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,116 |
| Ancient Greek Words | 0 | - | 4.92 | 110,596 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,701 |
| 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 | 32,414 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,241 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,510 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,909 |
| History of India | 0 | - | 4.61 | 21,269 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,381 |
| Native American Words | 0 | - | 4.26 | 24,702 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,518 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,348 |
| American to British Word Translation | 0 | - | 4.06 | 117,022 |
| Asian Islands | 0 | - | 4.49 | 20,763 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,786 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,359 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,123 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,533 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,029 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,309 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,307 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,140 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,882 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,668 |
| A Quiz About Islam | 0 | - | 4.31 | 48,181 |
| Middle East A-Z | 0 | - | 4.47 | 45,754 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,405 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,172 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,650 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 138,901 |
| Dynasties of China | 0 | - | 4.63 | 27,596 |
| History of China | 0 | - | 4.37 | 56,656 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,153 |
| Sushi Translation | 0 | - | 4.08 | 13,897 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,517 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,172 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,018 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,343 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,261 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,636 |
| Countries of Africa | 0 | - | 5.00 | 2,505,480 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,161 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,754 |
| African East Coast | 0 | - | 4.96 | 94,960 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,701 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,736 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Australia Map Quiz | 0 | - | 4.94 | 342,294 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,219 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,511 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,569 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,919 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,163 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,799 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,540 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,135 |
| Official European Union Languages | 0 | - | 4.97 | 236,398 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,624 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,493 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,396 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,940 |
| The Only European Country ... | 0 | - | 4.91 | 213,581 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,379 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,282 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,540 |
| British Spellings | 0 | - | 4.07 | 99,193 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,897 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,656 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,960 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,475 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,458 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,969 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,529 |
| Asia Map Quiz | 0 | - | 4.99 | 906,187 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,415 |
| 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 | 97,358 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,459 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,288 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,484 |
| 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 | 18,711 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,369 |
| 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 | 24,184 |
| China by Picture | 0 | - | 4.51 | 62,491 |
| Japanese Companies | 0 | - | 4.28 | 34,065 |
| Four Main Islands of Japan | 0 | - | 4.52 | 26,757 |
| Elemental Words | 0 | - | 4.96 | 51,937 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,415 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,554 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,199 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,151 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,333 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,125 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,939 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,375 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,053 |
| The Life of Gandhi | 0 | - | 4.37 | 13,014 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,395 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,568 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,983 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,524 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,491 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,179 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,450 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,211 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,970 |
| The Only African Country ... | 0 | - | 4.99 | 128,293 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,748 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,302 |
| African Island Countries | 0 | - | 4.96 | 100,696 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,505 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,997 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,040 |
| Flags of Oceania | 0 | - | 5.00 | 254,793 |
| Australian States and Territories | 0 | - | 4.95 | 140,580 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,348 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,996 |
| Australian Slang | 0 | - | 4.25 | 28,459 |
| Australia True or False | 0 | - | 4.87 | 56,479 |
| Flags of North and South America | 0 | - | 4.99 | 366,122 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,122 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,109 |
| The Only American Country ... | 0 | - | 4.92 | 120,686 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,283 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,985 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,575 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,562 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,777 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,891 |
| North America Map Quiz | 0 | - | 4.98 | 244,116 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,842 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,839 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,889 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,222 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,349 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,798 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,997 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,449 |
| US States Quiz | 0 | - | 5.00 | 16,685,131 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,482 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,541 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,561 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,310 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,467 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,228 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,841 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,280 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,820 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,621 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,220 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,979 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,258 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,421 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,717 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,801 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,144 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,633 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,625 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,712 |
| Monarchies of Europe | 0 | - | 4.90 | 97,239 |
| European Countries with One Border | 0 | - | 4.97 | 181,509 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,041 |
