| Australian Capitals | 0 | - | 4.92 | 62,826 |
| Countries by National Anthem | 0 | - | 4.93 | 71,399 |
| Australia True or False | 0 | - | 4.87 | 57,128 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,266 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,686 |
| Regions of New Zealand | 0 | - | 4.84 | 28,712 |
| Australia Country Quiz | 0 | - | 4.43 | 69,823 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,224 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,433 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,309 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,280 |
| Europe Map Quiz | 0 | - | 5.00 | 4,786,067 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,210 |
| Elton John Quiz | 0 | - | 4.49 | 18,521 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,735 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,577 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,271 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,773 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,925 |
| Word Chain - Australia | 0 | - | 4.38 | 38,242 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,794 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,681 |
| Official European Union Languages | 0 | - | 4.97 | 239,695 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,585 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,690 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,148 |
| Asia Map Quiz | 0 | - | 4.99 | 924,587 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,946 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 151,123 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,130 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,414 |
| Australia Map Quiz | 0 | - | 4.95 | 346,070 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,549 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,822 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,891 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,655 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,111 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,287 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,002 |
| The Only European Country ... | 0 | - | 4.91 | 218,830 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,419 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,042 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,071 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,048 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,877 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,021 |
| Countries of Africa | 0 | - | 5.00 | 2,557,974 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,791 |
| African East Coast | 0 | - | 4.96 | 96,712 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,559 |
| Christmas Carol Lyrics | 0 | - | 4.20 | 12,540 |
| Flags of Oceania | 0 | - | 5.00 | 262,469 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,731 |
| Australian States and Territories | 0 | - | 4.96 | 142,799 |
| Famous Australians by Description | 0 | - | 4.23 | 28,136 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,455 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,485 |
| Australian Slang | 0 | - | 4.24 | 28,720 |
| Flags of North and South America | 0 | - | 4.99 | 376,664 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,934 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,751 |
| The Only American Country ... | 0 | - | 4.92 | 122,180 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,617 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,588 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,160 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,742 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 904,834 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,750 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,785 |
| North America Map Quiz | 0 | - | 4.98 | 251,839 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,131 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,947 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,860 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,773 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,958 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,915 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,944 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,073 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,240 |
| US States Quiz | 0 | - | 5.00 | 16,987,052 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,904 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,357 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,876 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,540 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,470 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,153 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,498 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,916 |
| Celtic Nations | 0 | - | 4.61 | 47,086 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,703 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,143 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,442 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,989 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,442 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,613 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,426 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,726 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,493 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,988 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,722 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,607 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,540 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,429 |
| Monarchies of Europe | 0 | - | 4.90 | 98,807 |
| European Countries with One Border | 0 | - | 4.97 | 183,713 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,468 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,294 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,292 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,122 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,732 |
| Slavic Countries | 0 | - | 4.96 | 112,321 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,350 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,434 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,565 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,750 |
| States of Germany | 0 | - | 4.95 | 154,359 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,675 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,657 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,418 |
| Regions of Italy | 0 | - | 4.92 | 76,977 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,770 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,246 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,721 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,317 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,485 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,960 |
| Counties of England | 0 | - | 4.97 | 802,438 |
| Imagine Lyrics | 0 | - | 4.53 | 43,531 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,311 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| Champions League Winners | 0 | - | 4.92 | 1,015,466 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,732 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,767 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,946 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,480 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,848 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,106 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,780 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,761 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,280 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,053 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,364 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,023 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,522 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,734 |
| Monarchies of Asia | 0 | - | 4.97 | 71,478 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,544 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,263 |
| Countries of the Middle East | 0 | - | 4.96 | 202,602 |
| Provinces of Turkey | 0 | - | 4.95 | 205,797 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,728 |
| Provinces of China | 0 | - | 4.97 | 207,768 |
| Japanese Prefectures | 0 | - | 4.98 | 138,891 |
| States of India | 0 | - | 4.94 | 195,744 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,493 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,039 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,559 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,283 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,476 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,221 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,079 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,259 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,528 |
| The Only African Country ... | 0 | - | 4.99 | 129,624 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,370 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,184 |
| African Island Countries | 0 | - | 4.96 | 102,396 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,542 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,043 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,409 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,769 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,770 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,796 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,903 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,110 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,810 |
| Palau Country Quiz | 0 | - | 4.89 | 23,134 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,877 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,560 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,770 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,412 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,543 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,945 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,610 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,595 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,797 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,797 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,779 |
| States of Mexico | 0 | - | 4.96 | 178,087 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,804 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,564 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,449 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,752 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,547 |
| States of Brazil | 0 | - | 4.97 | 89,611 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,982 |
| Central American Countries | 0 | - | 4.98 | 157,261 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,547 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,327 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,432 |
