| African Countries by First 2 Letters | 0 | - | 4.96 | 268,014 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 707,036 |
| African East Coast | 0 | - | 4.96 | 95,939 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,732 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,837 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,238 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,311 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,919 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.87 | 55,768 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,575 |
| African Great Lakes | 0 | - | 4.82 | 66,122 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,156 |
| Native American Words | 0 | - | 4.26 | 24,761 |
| Japanese Loanwords | 0 | - | 4.47 | 84,591 |
| African Physical Geography | 0 | - | 4.51 | 31,675 |
| Africa A-Z | 0 | - | 4.57 | 46,588 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,715 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,897 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,860 |
| Famous People from Africa | 0 | - | 4.45 | 10,945 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,953 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,358 |
| Word Chain - Africa | 0 | - | 4.47 | 31,599 |
| Australian Capitals | 0 | - | 4.92 | 62,709 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,055 |
| Official European Union Languages | 0 | - | 4.97 | 238,301 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,726 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,716 |
| German Loan Words | 0 | - | 4.27 | 135,756 |
| Elemental Words | 0 | - | 4.96 | 52,246 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,662 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,375 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,123 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,143 |
| Geography of South Africa | 0 | - | 4.54 | 17,232 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,362 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,848 |
| American to British Word Translation | 0 | - | 4.14 | 138,894 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,528 |
| Asia Map Quiz | 0 | - | 4.99 | 915,604 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,284 |
| Countries of Africa | 0 | - | 5.00 | 2,533,071 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,726 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,747 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,752 |
| Provinces of South Africa | 0 | - | 4.74 | 21,668 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,575 |
| Australia Map Quiz | 0 | - | 4.95 | 344,137 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,490 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,615 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,979 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,618 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,750 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,202 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,931 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,022 |
| The Only European Country ... | 0 | - | 4.91 | 216,279 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,938 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,793 |
| British Spellings | 0 | - | 4.06 | 99,427 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,813 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,967 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,488 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,714 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,377 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,560 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,766 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,807 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,515 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,930 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,190 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,802 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,498 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,120 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,180 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,337 |
| African Island Countries | 0 | - | 4.96 | 101,519 |
| Australian States and Territories | 0 | - | 4.96 | 141,813 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,259 |
| Australian Slang | 0 | - | 4.24 | 28,612 |
| Australia True or False | 0 | - | 4.87 | 56,811 |
| Flags of North and South America | 0 | - | 4.99 | 372,483 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,559 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,153 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,550 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,504 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,758 |
| North America Map Quiz | 0 | - | 4.98 | 248,112 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,689 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,881 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,649 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,086 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,834 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,375 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,872 |
| Celtic Nations | 0 | - | 4.69 | 46,919 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,193 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,550 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,077 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,400 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,057 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,305 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,205 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,056 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,137 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,918 |
| Slavic Countries | 0 | - | 4.96 | 111,560 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,320 |
| British to American Word Translation | 0 | - | 3.74 | 255,036 |
| British Foods by Description | 0 | - | 3.94 | 48,322 |
| British and American Word Differences | 0 | - | 2.63 | 46,869 |
| Counties of England | 0 | - | 4.97 | 795,665 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,540 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,150 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,629 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,057 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,900 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,752 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,386 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,342 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,162 |
| Countries of the Middle East | 0 | - | 4.96 | 200,931 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,483 |
| States of India | 0 | - | 4.95 | 192,951 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,716 |
| African Geography A-Z | 0 | - | 4.33 | 21,472 |
| The Only African Country ... | 0 | - | 4.99 | 129,023 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,095 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,760 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,088 |
| Flags of Oceania | 0 | - | 5.00 | 258,595 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,289 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,310 |
| Australia Country Quiz | 0 | - | 4.43 | 69,561 |
| Regions of New Zealand | 0 | - | 4.85 | 28,473 |
| The Only American Country ... | 0 | - | 4.92 | 121,488 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,019 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,540 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,796 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,814 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,596 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,966 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,411 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,293 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,388 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,855 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,867 |
| US States Quiz | 0 | - | 5.00 | 16,850,709 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,005 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,747 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,379 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,097 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,010 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,445 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,626 |
| Monarchies of Europe | 0 | - | 4.90 | 98,034 |
| European Countries with One Border | 0 | - | 4.97 | 182,626 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,442 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,037 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,781 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,806 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,269 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,679 |
| States of Germany | 0 | - | 4.96 | 152,202 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,954 |
| Regions of Italy | 0 | - | 4.92 | 75,716 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,778 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,105 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,223 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,923 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,181 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,682 |
| Champions League Winners | 0 | - | 4.92 | 1,005,404 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,437 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,864 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,158 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,577 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,089 |
| Monarchies of Asia | 0 | - | 4.97 | 71,032 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,815 |
| Provinces of Turkey | 0 | - | 4.95 | 203,843 |
| Provinces of China | 0 | - | 4.97 | 203,941 |
| Japanese Prefectures | 0 | - | 4.98 | 136,607 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,012 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,172 |
| Military History Vocabulary | 0 | - | 4.91 | 67,095 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 195,566 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,004 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,773 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,721 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,194 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,243 |
| States of India Map Quiz | 0 | - | 4.83 | 26,467 |
| Countries Bordering India | 0 | - | 4.98 | 163,374 |
| Countries Closest to India | 0 | - | 4.97 | 102,701 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,184 |
| Every African Country Shape | 0 | - | 4.90 | 87,155 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,524 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,206 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,483 |
