| Australian Capitals | 0 | - | 4.92 | 62,587 |
| Countries by National Anthem | 0 | - | 4.92 | 71,006 |
| Australia True or False | 0 | - | 4.87 | 56,486 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,687 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,886 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,031 |
| Regions of New Zealand | 0 | - | 4.85 | 28,109 |
| Australia Country Quiz | 0 | - | 4.43 | 69,253 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,565 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 75,985 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,156 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,409 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,439 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,040 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,927 |
| Elton John Quiz | 0 | - | 4.48 | 18,397 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,251 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,017 |
| Christmas Song Lyrics | 0 | - | 4.20 | 70,390 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,406 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,818 |
| Word Chain - Australia | 0 | - | 4.37 | 38,008 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,714 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,549 |
| Official European Union Languages | 0 | - | 4.97 | 236,428 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,638 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,993 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,012 |
| Asia Map Quiz | 0 | - | 4.99 | 906,384 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 150,421 |
| Countries of Africa | 0 | - | 5.00 | 2,505,902 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,763 |
| African East Coast | 0 | - | 4.96 | 94,977 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,858 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,972 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,748 |
| Australia Map Quiz | 0 | - | 4.94 | 342,344 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,491 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,968 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,840 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,175 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,509 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,428 |
| The Only European Country ... | 0 | - | 4.91 | 213,632 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,416 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,544 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,424 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,670 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,383 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,444 |
| Christmas Carol Lyrics | 0 | - | 4.18 | 12,456 |
| States of India | 0 | - | 4.94 | 189,854 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,405 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,718 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,988 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,538 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,513 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,193 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,459 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,218 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,993 |
| The Only African Country ... | 0 | - | 4.99 | 128,306 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,753 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,320 |
| African Island Countries | 0 | - | 4.96 | 100,708 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,535 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,014 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,052 |
| Flags of Oceania | 0 | - | 5.00 | 254,880 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,631 |
| Australian States and Territories | 0 | - | 4.95 | 140,598 |
| Famous Australians by Description | 0 | - | 4.23 | 27,504 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,366 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,998 |
| Australian Slang | 0 | - | 4.25 | 28,461 |
| Flags of North and South America | 0 | - | 4.99 | 366,388 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,126 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,116 |
| The Only American Country ... | 0 | - | 4.92 | 120,697 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,294 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,033 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,695 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,338 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,615 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,966 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,897 |
| North America Map Quiz | 0 | - | 4.98 | 244,174 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,852 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,854 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,897 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,240 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,359 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,813 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,007 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,017 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,459 |
| US States Quiz | 0 | - | 5.00 | 16,688,258 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,546 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,605 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.00 | 25,843 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,572 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,326 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,470 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,229 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,226 |
| Celtic Nations | 0 | - | 4.69 | 46,802 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,288 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,142 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,641 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,238 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,990 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,165 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,283 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,429 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,761 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,812 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,158 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,668 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,697 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,731 |
| Monarchies of Europe | 0 | - | 4.90 | 97,255 |
| European Countries with One Border | 0 | - | 4.97 | 181,526 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,205 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,239 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,843 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,196 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,102 |
| Slavic Countries | 0 | - | 4.96 | 110,805 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,759 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,131 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,047 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,616 |
| States of Germany | 0 | - | 4.96 | 149,897 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,030 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,968 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,500 |
| Regions of Italy | 0 | - | 4.92 | 74,630 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,769 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,208 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,085 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,019 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,867 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,014 |
| Counties of England | 0 | - | 4.97 | 788,725 |
| Imagine Lyrics | 0 | - | 4.53 | 43,051 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,530 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,399 |
| Champions League Winners | 0 | - | 4.92 | 995,622 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,950 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,309 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,958 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,708 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,350 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,173 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,968 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,631 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,412 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,294 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,651 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,633 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,691 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,343 |
| Monarchies of Asia | 0 | - | 4.97 | 70,563 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,084 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,408 |
| Countries of the Middle East | 0 | - | 4.96 | 198,790 |
| Provinces of Turkey | 0 | - | 4.95 | 200,686 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,228 |
| Provinces of China | 0 | - | 4.97 | 199,848 |
| Japanese Prefectures | 0 | - | 4.98 | 134,410 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,162 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,767 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,629 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,752 |
| States of India Map Quiz | 0 | - | 4.82 | 25,996 |
| Countries Bordering India | 0 | - | 4.98 | 162,559 |
| Countries Closest to India | 0 | - | 4.97 | 102,174 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,741 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,303 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,122 |
| African Great Lakes | 0 | - | 4.82 | 65,078 |
| Every African Country Shape | 0 | - | 4.90 | 85,953 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,817 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,145 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,328 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,238 |
| Name a Valid African Country | 0 | - | 4.98 | 152,862 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,468 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,509 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,500 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,802 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,909 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,014 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,285 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,735 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,027 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,193 |
| Palau Country Quiz | 0 | - | 4.89 | 22,821 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,187 |
