| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Countries by National Anthem | 0 | - | 4.92 | 71,000 |
| Australia True or False | 0 | - | 4.87 | 56,471 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,680 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,883 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,019 |
| Regions of New Zealand | 0 | - | 4.85 | 28,103 |
| Australia Country Quiz | 0 | - | 4.43 | 69,243 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,558 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 75,980 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,084 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,370 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,424 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,182 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,855 |
| Elton John Quiz | 0 | - | 4.48 | 18,395 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,216 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,968 |
| Christmas Song Lyrics | 0 | - | 4.20 | 70,386 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,022 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,616 |
| Word Chain - Australia | 0 | - | 4.37 | 38,003 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,712 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,535 |
| Official European Union Languages | 0 | - | 4.97 | 236,380 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,616 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,921 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,408 |
| Asia Map Quiz | 0 | - | 4.99 | 906,079 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 150,414 |
| Countries of Africa | 0 | - | 5.00 | 2,505,124 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,742 |
| African East Coast | 0 | - | 4.96 | 94,949 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,826 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,969 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,726 |
| Australia Map Quiz | 0 | - | 4.94 | 342,269 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,027 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,885 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,161 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,772 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,105 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,489 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,371 |
| The Only European Country ... | 0 | - | 4.91 | 213,553 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,357 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,535 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,412 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,667 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,338 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,087 |
| Christmas Carol Lyrics | 0 | - | 4.18 | 12,455 |
| States of India | 0 | - | 4.94 | 189,760 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,341 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,422 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,979 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,506 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,484 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,171 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,442 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,206 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,950 |
| The Only African Country ... | 0 | - | 4.99 | 128,286 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,744 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,284 |
| African Island Countries | 0 | - | 4.96 | 100,682 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,473 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,982 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,027 |
| Flags of Oceania | 0 | - | 5.00 | 254,746 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,629 |
| Australian States and Territories | 0 | - | 4.95 | 140,563 |
| Famous Australians by Description | 0 | - | 4.23 | 27,467 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,315 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,992 |
| Australian Slang | 0 | - | 4.25 | 28,453 |
| Flags of North and South America | 0 | - | 4.99 | 365,922 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,120 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,093 |
| The Only American Country ... | 0 | - | 4.92 | 120,673 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,277 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,971 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,480 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,335 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,540 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,671 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,877 |
| North America Map Quiz | 0 | - | 4.98 | 244,092 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,833 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,811 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,873 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,196 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,349 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,781 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,982 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,016 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,443 |
| US States Quiz | 0 | - | 5.00 | 16,683,089 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,411 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,475 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 24,647 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,551 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,304 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,463 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,226 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,589 |
| Celtic Nations | 0 | - | 4.69 | 46,797 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,272 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,737 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,608 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,210 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,974 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,084 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,241 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,414 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,696 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,790 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,127 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,596 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,590 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,687 |
| Monarchies of Europe | 0 | - | 4.90 | 97,228 |
| European Countries with One Border | 0 | - | 4.97 | 181,489 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,998 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,203 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,806 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,175 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,083 |
| Slavic Countries | 0 | - | 4.96 | 110,783 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,649 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,113 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,022 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,573 |
| States of Germany | 0 | - | 4.96 | 149,827 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,018 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,926 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,489 |
| Regions of Italy | 0 | - | 4.92 | 74,609 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,747 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,170 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,067 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,949 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,853 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,965 |
| Counties of England | 0 | - | 4.97 | 788,485 |
| Imagine Lyrics | 0 | - | 4.53 | 43,046 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,521 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,393 |
| Champions League Winners | 0 | - | 4.92 | 995,275 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,681 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,283 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,933 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,682 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,330 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,146 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,938 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,603 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,381 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,261 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,578 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,606 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,644 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,315 |
| Monarchies of Asia | 0 | - | 4.97 | 70,546 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,029 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,387 |
| Countries of the Middle East | 0 | - | 4.96 | 198,744 |
| Provinces of Turkey | 0 | - | 4.95 | 200,298 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,219 |
| Provinces of China | 0 | - | 4.97 | 199,756 |
| Japanese Prefectures | 0 | - | 4.98 | 134,342 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,135 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,733 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,612 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,733 |
| States of India Map Quiz | 0 | - | 4.82 | 25,987 |
| Countries Bordering India | 0 | - | 4.98 | 162,546 |
| Countries Closest to India | 0 | - | 4.96 | 102,156 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,721 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,290 |
| 10 African Countries with the Most Tourists | 0 | - | 4.38 | 60,113 |
| African Great Lakes | 0 | - | 4.82 | 65,060 |
| Every African Country Shape | 0 | - | 4.90 | 85,882 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,798 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,134 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,308 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,209 |
| Name a Valid African Country | 0 | - | 4.98 | 152,836 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,460 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,492 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,484 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,795 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,893 |
| Morocco Country Quiz | 0 | - | 4.81 | 45,996 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,281 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,729 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,021 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,188 |
| Palau Country Quiz | 0 | - | 4.89 | 22,819 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,174 |
