| English Words of Arabic Origin | 0 | - | 4.54 | 49,856 |
| Japanese Loanwords | 0 | - | 4.47 | 84,816 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,302 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,279 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,548 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,213 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,896 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,261 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,680 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,804 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,595 |
| German Loan Words | 0 | - | 4.27 | 140,505 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,879 |
| Provinces of Turkey | 0 | - | 4.94 | 205,407 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,647 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,909 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,213 |
| Vietnam Country Quiz | 0 | - | 4.68 | 63,794 |
| Provinces of China | 0 | - | 4.97 | 206,989 |
| Japanese Prefectures | 0 | - | 4.98 | 138,477 |
| States of India | 0 | - | 4.95 | 195,206 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,283 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,085 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,702 |
| Name that Greek Letter | 0 | - | 4.93 | 324,668 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,718 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,659 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,910 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,059 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,991 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,729 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,181 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,380 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,092 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,044 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,754 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,710 |
| Ancient Greek Words | 0 | - | 4.93 | 112,240 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,855 |
| Asian Physical Geography | 0 | - | 4.61 | 35,596 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,176 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,626 |
| Asia's Busiest Airports | 0 | - | 4.69 | 53,047 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,799 |
| Native American Words | 0 | - | 4.26 | 24,812 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,679 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,914 |
| American to British Word Translation | 0 | - | 4.14 | 139,535 |
| Asian Islands | 0 | - | 4.49 | 20,886 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,363 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,958 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,583 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,106 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,568 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,618 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,684 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,330 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,167 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,232 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,186 |
| A Quiz About Islam | 0 | - | 4.32 | 48,566 |
| Middle East A-Z | 0 | - | 4.47 | 46,204 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,077 |
| Singapore Country Quiz | 0 | - | 4.74 | 45,626 |
| Philippines Country Quiz | 0 | - | 4.56 | 75,822 |
| Thailand Country Quiz | 0 | - | 4.51 | 53,565 |
| Indonesia Country Quiz | 0 | - | 4.78 | 75,492 |
| Malaysia Country Quiz | 0 | - | 4.59 | 39,368 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,963 |
| Dynasties of China | 0 | - | 4.64 | 28,026 |
| History of China | 0 | - | 4.35 | 57,468 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,535 |
| Sushi Translation | 0 | - | 4.08 | 13,976 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,311 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,765 |
| History of India | 0 | - | 4.62 | 21,489 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,037 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,383 |
| Mythical Creatures #2 | 0 | - | 4.06 | 112,180 |
| Christmas Vocabulary | 0 | - | 4.07 | 33,406 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,881 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,254 |
| Australian Capitals | 0 | - | 4.92 | 62,804 |
| Australia Map Quiz | 0 | - | 4.95 | 345,765 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,829 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,702 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,048 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,437 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,838 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,272 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,576 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,713 |
| Official European Union Languages | 0 | - | 4.97 | 239,435 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,443 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,220 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,733 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,179 |
| The Only European Country ... | 0 | - | 4.91 | 218,347 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,153 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.40 | 82,718 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,996 |
| British Spellings | 0 | - | 4.06 | 99,558 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,193 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,099 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,350 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,979 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,918 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,386 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,087 |
| Asia Map Quiz | 0 | - | 4.99 | 923,018 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,544 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,920 |
| Word Chain - Asia | 0 | - | 4.34 | 29,375 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,687 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,877 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,225 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,601 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,638 |
| History of Egypt | 0 | - | 4.58 | 24,088 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,037 |
| Laos Country Quiz | 0 | - | 4.54 | 26,893 |
| East Timor Country Quiz | 0 | - | 4.48 | 22,806 |
| Myanmar Country Quiz | 0 | - | 4.55 | 30,883 |
| Cambodia Country Quiz | 0 | - | 4.58 | 28,981 |
| Chinese Inventions | 0 | - | 4.30 | 33,845 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,439 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,460 |
| Japanese Companies | 0 | - | 4.29 | 34,315 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,972 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,910 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,861 |
| Countries of Africa | 0 | - | 5.00 | 2,552,945 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,958 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,620 |
| African East Coast | 0 | - | 4.96 | 96,553 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,416 |
| Elemental Words | 0 | - | 4.97 | 52,492 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,533 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,837 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,546 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,673 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,896 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,154 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,833 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,469 |
| Flags of Oceania | 0 | - | 5.00 | 261,829 |
| Australian States and Territories | 0 | - | 4.96 | 142,621 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,290 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,446 |
| Australian Slang | 0 | - | 4.24 | 28,696 |
| Australia True or False | 0 | - | 4.87 | 57,072 |
| Flags of North and South America | 0 | - | 4.99 | 375,860 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,861 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,640 |
| The Only American Country ... | 0 | - | 4.92 | 122,053 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,508 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,397 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,095 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,710 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,191 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,926 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,615 |
| North America Map Quiz | 0 | - | 4.98 | 250,672 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,026 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,694 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,768 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,606 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,922 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,805 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,783 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,173 |
| US States Quiz | 0 | - | 5.00 | 16,962,211 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,140 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,156 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,176 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,461 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,374 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,079 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,787 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,560 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,647 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,283 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,834 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,322 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,233 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,609 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,204 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,886 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,609 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,204 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,936 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,281 |
| Monarchies of Europe | 0 | - | 4.90 | 98,644 |
| European Countries with One Border | 0 | - | 4.97 | 183,505 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,245 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,084 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,942 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,641 |
| Slavic Countries | 0 | - | 4.96 | 112,186 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,917 |
