| Australian Capitals | 0 | - | 4.92 | 62,592 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,251 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,600 |
| Australia True or False | 0 | - | 4.87 | 56,496 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,701 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,042 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,906 |
| Australia Country Quiz | 0 | - | 4.43 | 69,268 |
| Regions of New Zealand | 0 | - | 4.85 | 28,123 |
| Australian Slang | 0 | - | 4.25 | 28,467 |
| Native American Words | 0 | - | 4.26 | 24,705 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,265 |
| Japanese Loanwords | 0 | - | 4.47 | 84,337 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,484 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,787 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,074 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,459 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,294 |
| German Loan Words | 0 | - | 4.27 | 135,449 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,050 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,346 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,884 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,131 |
| Word Chain - Australia | 0 | - | 4.37 | 38,013 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,569 |
| Official European Union Languages | 0 | - | 4.97 | 236,476 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,681 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,103 |
| American to British Word Translation | 0 | - | 4.06 | 117,045 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,481 |
| Asia Map Quiz | 0 | - | 4.99 | 906,769 |
| Elemental Words | 0 | - | 4.96 | 51,979 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,183 |
| Countries of Africa | 0 | - | 5.00 | 2,506,931 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,791 |
| African East Coast | 0 | - | 4.96 | 95,015 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,899 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,977 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,774 |
| Australia Map Quiz | 0 | - | 4.94 | 342,424 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,277 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,517 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,066 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,187 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,919 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,256 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,526 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,493 |
| The Only European Country ... | 0 | - | 4.91 | 213,746 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,474 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,556 |
| British Spellings | 0 | - | 4.07 | 99,201 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,434 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,652 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,420 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,563 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,208 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,175 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,375 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,160 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,971 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,426 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,071 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,584 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,542 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,235 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,486 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,054 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,386 |
| African Island Countries | 0 | - | 4.96 | 100,761 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,599 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,632 |
| Australian States and Territories | 0 | - | 4.95 | 140,677 |
| Famous Australians by Description | 0 | - | 4.23 | 27,564 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,008 |
| Flags of North and South America | 0 | - | 4.99 | 366,879 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,139 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,143 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,122 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,987 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,347 |
| North America Map Quiz | 0 | - | 4.98 | 244,336 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,371 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,753 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,800 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,595 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,487 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,237 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,041 |
| Celtic Nations | 0 | - | 4.69 | 46,807 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,493 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,681 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,262 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,258 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,449 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,830 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,768 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,809 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,317 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,224 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,168 |
| Slavic Countries | 0 | - | 4.96 | 110,829 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,040 |
| British to American Word Translation | 0 | - | 3.74 | 253,293 |
| British Foods by Description | 0 | - | 3.94 | 48,228 |
| British and American Word Differences | 0 | - | 2.67 | 45,909 |
| Counties of England | 0 | - | 4.97 | 788,975 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,299 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,329 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,735 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,377 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,212 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,678 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,458 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,655 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,735 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,138 |
| Countries of the Middle East | 0 | - | 4.96 | 198,854 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,238 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,193 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,840 |
| States of India | 0 | - | 4.94 | 189,960 |
| States of India Map Quiz | 0 | - | 4.82 | 26,019 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,764 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,319 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,144 |
| African Great Lakes | 0 | - | 4.82 | 65,107 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,993 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,237 |
| The Only African Country ... | 0 | - | 4.99 | 128,337 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,769 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,846 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,343 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,041 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,287 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,075 |
| Name a Valid African Country | 0 | - | 4.98 | 152,910 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,477 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,812 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,031 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,041 |
| Flags of Oceania | 0 | - | 5.00 | 255,049 |
| Palau Country Quiz | 0 | - | 4.89 | 22,834 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,406 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,199 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,470 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,179 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,291 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,344 |
| The Only American Country ... | 0 | - | 4.92 | 120,728 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,316 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,061 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,881 |
| States of Mexico | 0 | - | 4.95 | 173,292 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,764 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,128 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,914 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,372 |
| States of Brazil | 0 | - | 4.98 | 86,348 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,348 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,725 |
| Central American Countries | 0 | - | 4.98 | 155,006 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,836 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,928 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,878 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,914 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,937 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,811 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,288 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,630 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,849 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,120 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,816 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,508 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,040 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,605 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,473 |
| US States Quiz | 0 | - | 5.00 | 16,695,228 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,215 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,494 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,347 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,462 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,313 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,220 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,097 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,025 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,336 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,814 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,191 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,130 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,207 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,772 |
| Monarchies of Europe | 0 | - | 4.90 | 97,291 |
| European Countries with One Border | 0 | - | 4.97 | 181,584 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,492 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,450 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,152 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,902 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,657 |
| Russia Country Quiz | 0 | - | 4.85 | 113,618 |
