| Australian Capitals | 0 | - | 4.92 | 62,589 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,159 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,593 |
| Australia True or False | 0 | - | 4.87 | 56,487 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,691 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,031 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,890 |
| Australia Country Quiz | 0 | - | 4.43 | 69,254 |
| Regions of New Zealand | 0 | - | 4.85 | 28,111 |
| Australian Slang | 0 | - | 4.25 | 28,463 |
| Native American Words | 0 | - | 4.26 | 24,703 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,183 |
| Japanese Loanwords | 0 | - | 4.47 | 84,332 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,426 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,784 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,037 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,440 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,436 |
| German Loan Words | 0 | - | 4.27 | 135,443 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,034 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,343 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,562 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,911 |
| Word Chain - Australia | 0 | - | 4.37 | 38,008 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,553 |
| Official European Union Languages | 0 | - | 4.97 | 236,441 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,649 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,012 |
| American to British Word Translation | 0 | - | 4.06 | 117,031 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,211 |
| Asia Map Quiz | 0 | - | 4.99 | 906,516 |
| Elemental Words | 0 | - | 4.96 | 51,951 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,175 |
| Countries of Africa | 0 | - | 5.00 | 2,506,164 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,768 |
| African East Coast | 0 | - | 4.96 | 94,986 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,876 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,973 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,750 |
| Australia Map Quiz | 0 | - | 4.94 | 342,360 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,739 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,514 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,996 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,173 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,860 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,200 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,514 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,441 |
| The Only European Country ... | 0 | - | 4.91 | 213,660 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,429 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,547 |
| British Spellings | 0 | - | 4.07 | 99,197 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,400 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,510 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,418 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,559 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,203 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,158 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,350 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,146 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,955 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,412 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,810 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,556 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,523 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,201 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,465 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,008 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,336 |
| African Island Countries | 0 | - | 4.96 | 100,724 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,556 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,631 |
| Australian States and Territories | 0 | - | 4.95 | 140,601 |
| Famous Australians by Description | 0 | - | 4.23 | 27,516 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,999 |
| Flags of North and South America | 0 | - | 4.99 | 366,532 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,129 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,125 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,093 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,774 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,095 |
| North America Map Quiz | 0 | - | 4.98 | 244,228 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,365 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,607 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,702 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,579 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,475 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,230 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,434 |
| Celtic Nations | 0 | - | 4.69 | 46,804 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,265 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,652 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,247 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,187 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,431 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,816 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,684 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,721 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,260 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,202 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,148 |
| Slavic Countries | 0 | - | 4.96 | 110,810 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,030 |
| British to American Word Translation | 0 | - | 3.74 | 253,285 |
| British Foods by Description | 0 | - | 3.94 | 48,226 |
| British and American Word Differences | 0 | - | 2.67 | 45,908 |
| Counties of England | 0 | - | 4.97 | 788,765 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,050 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,314 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,715 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,362 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,188 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,647 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,426 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,639 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,704 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,092 |
| Countries of the Middle East | 0 | - | 4.96 | 198,807 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,231 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,168 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,789 |
| States of India | 0 | - | 4.94 | 189,870 |
| States of India Map Quiz | 0 | - | 4.82 | 26,003 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,747 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,305 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,128 |
| African Great Lakes | 0 | - | 4.82 | 65,088 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,988 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,225 |
| The Only African Country ... | 0 | - | 4.99 | 128,313 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,754 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,825 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,329 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,024 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,250 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,058 |
| Name a Valid African Country | 0 | - | 4.98 | 152,879 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,470 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,802 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,017 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,028 |
| Flags of Oceania | 0 | - | 5.00 | 254,910 |
| Palau Country Quiz | 0 | - | 4.89 | 22,823 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,373 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,189 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,453 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,163 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,287 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,337 |
| The Only American Country ... | 0 | - | 4.92 | 120,709 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,300 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,039 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,867 |
| States of Mexico | 0 | - | 4.95 | 173,216 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,735 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,104 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,892 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,360 |
| States of Brazil | 0 | - | 4.98 | 86,299 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,341 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,653 |
| Central American Countries | 0 | - | 4.98 | 154,969 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,772 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,909 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,858 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,867 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,913 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,634 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,259 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,602 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,820 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,092 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,510 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,503 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,015 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,578 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,465 |
| US States Quiz | 0 | - | 5.00 | 16,690,123 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,168 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,455 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,332 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,440 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,294 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,201 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,079 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,995 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,296 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,778 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,169 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,119 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,167 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,741 |
| Monarchies of Europe | 0 | - | 4.90 | 97,265 |
| European Countries with One Border | 0 | - | 4.97 | 181,542 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,318 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,382 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,080 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,857 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,531 |
| Russia Country Quiz | 0 | - | 4.85 | 113,599 |
