| African Countries by First 2 Letters | 0 | - | 4.96 | 266,387 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,086 |
| African East Coast | 0 | - | 4.96 | 94,966 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,591 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,310 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,517 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,985 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,232 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,120 |
| African Great Lakes | 0 | - | 4.82 | 65,073 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,130 |
| Native American Words | 0 | - | 4.26 | 24,702 |
| Japanese Loanwords | 0 | - | 4.47 | 84,327 |
| Africa A-Z | 0 | - | 4.57 | 46,351 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,433 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,782 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,995 |
| Famous People from Africa | 0 | - | 4.45 | 10,853 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,791 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,195 |
| Word Chain - Africa | 0 | - | 4.47 | 31,432 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,721 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,542 |
| Official European Union Languages | 0 | - | 4.97 | 236,406 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,629 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,683 |
| German Loan Words | 0 | - | 4.27 | 135,434 |
| Elemental Words | 0 | - | 4.96 | 51,939 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,020 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,343 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,219 |
| African Physical Geography | 0 | - | 4.51 | 31,560 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,041 |
| Geography of South Africa | 0 | - | 4.54 | 17,133 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,759 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,953 |
| American to British Word Translation | 0 | - | 4.06 | 117,023 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,554 |
| Asia Map Quiz | 0 | - | 4.99 | 906,244 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,173 |
| Countries of Africa | 0 | - | 5.00 | 2,505,613 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,756 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,839 |
| Provinces of South Africa | 0 | - | 4.74 | 21,343 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,740 |
| Australia Map Quiz | 0 | - | 4.94 | 342,311 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,301 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,511 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,933 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,814 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,144 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,496 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,408 |
| The Only European Country ... | 0 | - | 4.91 | 213,599 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,384 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,542 |
| British Spellings | 0 | - | 4.07 | 99,193 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,366 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,315 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,416 |
| 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 | 48,153 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,336 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,128 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,942 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,398 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,617 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,530 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,494 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,181 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,451 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,974 |
| African Island Countries | 0 | - | 4.96 | 100,700 |
| Australian States and Territories | 0 | - | 4.95 | 140,586 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,996 |
| Australian Slang | 0 | - | 4.25 | 28,459 |
| Australia True or False | 0 | - | 4.87 | 56,483 |
| Flags of North and South America | 0 | - | 4.99 | 366,206 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,124 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,111 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,001 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,612 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,832 |
| North America Map Quiz | 0 | - | 4.98 | 244,127 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,351 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,499 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,560 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,562 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,468 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,228 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,959 |
| Celtic Nations | 0 | - | 4.69 | 46,800 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,917 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,626 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,226 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,143 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,424 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,806 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,641 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,647 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,187 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,092 |
| Slavic Countries | 0 | - | 4.96 | 110,796 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,028 |
| British to American Word Translation | 0 | - | 3.74 | 253,282 |
| British Foods by Description | 0 | - | 3.94 | 48,226 |
| British and American Word Differences | 0 | - | 2.67 | 45,907 |
| Counties of England | 0 | - | 4.97 | 788,608 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,868 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,302 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,698 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,341 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,161 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,616 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,400 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,620 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,674 |
| Countries of the Middle East | 0 | - | 4.96 | 198,772 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,227 |
| States of India | 0 | - | 4.94 | 189,841 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,214 |
| African Geography A-Z | 0 | - | 4.33 | 21,412 |
| The Only African Country ... | 0 | - | 4.99 | 128,298 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,750 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,003 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,046 |
| Flags of Oceania | 0 | - | 5.00 | 254,817 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,884 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,356 |
| Australia Country Quiz | 0 | - | 4.43 | 69,249 |
| Regions of New Zealand | 0 | - | 4.85 | 28,107 |
| The Only American Country ... | 0 | - | 4.92 | 120,688 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,285 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,338 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,577 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,894 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,845 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,844 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,891 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,228 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,801 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,997 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,452 |
| US States Quiz | 0 | - | 5.00 | 16,686,086 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,316 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,283 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,986 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,267 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,726 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,146 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,111 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,719 |
| Monarchies of Europe | 0 | - | 4.90 | 97,244 |
| European Countries with One Border | 0 | - | 4.97 | 181,512 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,082 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,829 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,737 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,129 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,033 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,598 |
| States of Germany | 0 | - | 4.96 | 149,878 |
| Regions of Italy | 0 | - | 4.92 | 74,622 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,191 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,072 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,987 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,862 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,998 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,397 |
| Champions League Winners | 0 | - | 4.92 | 995,483 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,946 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,954 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,277 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,630 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,338 |
| Monarchies of Asia | 0 | - | 4.97 | 70,556 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,399 |
| Provinces of Turkey | 0 | - | 4.95 | 200,547 |
| Provinces of China | 0 | - | 4.97 | 199,823 |
| Japanese Prefectures | 0 | - | 4.98 | 134,390 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,113 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,088 |
| Military History Vocabulary | 0 | - | 4.91 | 66,606 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,717 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,150 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,754 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,618 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,742 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 30,572 |
| States of India Map Quiz | 0 | - | 4.82 | 25,994 |
| Countries Bordering India | 0 | - | 4.98 | 162,556 |
| Countries Closest to India | 0 | - | 4.97 | 102,164 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,732 |
| Every African Country Shape | 0 | - | 4.90 | 85,919 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,807 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,140 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,317 |
