| English Words of Arabic Origin | 0 | - | 4.54 | 49,690 |
| Japanese Loanwords | 0 | - | 4.47 | 84,503 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,342 |
| German Loan Words | 0 | - | 4.27 | 135,653 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,037 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,429 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,660 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,105 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,705 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,380 |
| States of India | 0 | - | 4.94 | 191,972 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,959 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,200 |
| Provinces of Turkey | 0 | - | 4.95 | 203,178 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,805 |
| Provinces of China | 0 | - | 4.97 | 202,616 |
| Japanese Prefectures | 0 | - | 4.98 | 135,927 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,753 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,624 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,113 |
| Name that Greek Letter | 0 | - | 4.93 | 322,748 |
| Byzantine History | 0 | - | 4.91 | 28,719 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,064 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,124 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,447 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,853 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,369 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,566 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,383 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,578 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,305 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,562 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,066 |
| Ancient Greek Words | 0 | - | 4.93 | 111,182 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,250 |
| Asian Physical Geography | 0 | - | 4.61 | 35,461 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,023 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,504 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,583 |
| Israel Immigration by Country | 0 | - | 4.29 | 35,959 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,627 |
| Countries of the Indian Diaspora | 0 | - | 4.49 | 58,224 |
| History of India | 0 | - | 4.61 | 21,363 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,541 |
| Native American Words | 0 | - | 4.26 | 24,741 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,820 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.73 | 65,566 |
| American to British Word Translation | 0 | - | 4.13 | 138,461 |
| Asian Islands | 0 | - | 4.49 | 20,809 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,973 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,533 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,275 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,737 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,207 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,430 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,459 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,207 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,001 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,860 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,637 |
| A Quiz About Islam | 0 | - | 4.31 | 48,351 |
| Middle East A-Z | 0 | - | 4.47 | 45,935 |
| Flags of the Middle East | 0 | - | 4.69 | 62,497 |
| Iran Country Quiz | 0 | - | 4.53 | 60,147 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,823 |
| Geography of Egypt | 0 | - | 4.60 | 21,472 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,686 |
| Provinces of the Philippines | 0 | - | 4.56 | 49,186 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,881 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,398 |
| Dynasties of China | 0 | - | 4.64 | 27,768 |
| History of China | 0 | - | 4.37 | 56,950 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,292 |
| Sushi Translation | 0 | - | 4.08 | 13,923 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,821 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,249 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,440 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,366 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,527 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,718 |
| Countries of Africa | 0 | - | 5.00 | 2,524,012 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,862 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,367 |
| African East Coast | 0 | - | 4.96 | 95,614 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,442 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,150 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,272 |
| Australian Capitals | 0 | - | 4.92 | 62,671 |
| Australia Map Quiz | 0 | - | 4.94 | 343,443 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,758 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,581 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,772 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,307 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,504 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,136 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,892 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,454 |
| Official European Union Languages | 0 | - | 4.97 | 237,805 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,413 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,787 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,470 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,813 |
| The Only European Country ... | 0 | - | 4.91 | 215,423 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,473 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,439 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,691 |
| British Spellings | 0 | - | 4.06 | 99,366 |
| Asian Geography By Letter - S | 0 | - | 4.16 | 56,000 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,818 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,106 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,650 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,613 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,130 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,703 |
| Asia Map Quiz | 0 | - | 4.99 | 911,892 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,480 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,656 |
| Word Chain - Asia | 0 | - | 4.34 | 29,284 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,316 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,605 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,710 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,521 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,526 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,084 |
| History of Egypt | 0 | - | 4.58 | 23,988 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,838 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,492 |
| Chinese Inventions | 0 | - | 4.30 | 33,764 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,356 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,299 |
| Japanese Companies | 0 | - | 4.28 | 34,166 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,883 |
| Elemental Words | 0 | - | 4.96 | 52,163 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,464 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,639 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,313 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,475 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,671 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,661 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,360 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,612 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,234 |
| The Life of Gandhi | 0 | - | 4.37 | 13,034 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,738 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,565 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,222 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,359 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,983 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,785 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,903 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,524 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,862 |
| The Only African Country ... | 0 | - | 4.99 | 128,770 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,960 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,344 |
| African Island Countries | 0 | - | 4.96 | 101,243 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,754 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,484 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,793 |
| Flags of Oceania | 0 | - | 5.00 | 257,356 |
| Australian States and Territories | 0 | - | 4.96 | 141,459 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,981 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,172 |
| Australian Slang | 0 | - | 4.24 | 28,564 |
| Australia True or False | 0 | - | 4.87 | 56,703 |
| Flags of North and South America | 0 | - | 4.99 | 370,771 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,440 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,591 |
| The Only American Country ... | 0 | - | 4.92 | 121,239 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,792 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,008 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,534 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,076 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,301 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,505 |
| North America Map Quiz | 0 | - | 4.98 | 246,932 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,368 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,597 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,259 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,941 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,583 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,225 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,546 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,728 |
| US States Quiz | 0 | - | 5.00 | 16,795,933 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,647 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,285 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,276 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,931 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,792 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,719 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,332 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,384 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,658 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,261 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,238 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,777 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,509 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,047 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,838 |
