| Australian Capitals | 0 | - | 4.92 | 62,583 |
| Countries by National Anthem | 0 | - | 4.92 | 70,997 |
| Australia True or False | 0 | - | 4.87 | 56,457 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,667 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,874 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,008 |
| Regions of New Zealand | 0 | - | 4.85 | 28,097 |
| Australia Country Quiz | 0 | - | 4.43 | 69,231 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,551 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 75,975 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,977 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,316 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,417 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,916 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,780 |
| Elton John Quiz | 0 | - | 4.48 | 18,394 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,176 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,904 |
| Christmas Song Lyrics | 0 | - | 4.20 | 70,377 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,565 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,364 |
| Word Chain - Australia | 0 | - | 4.37 | 37,999 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,708 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,509 |
| Official European Union Languages | 0 | - | 4.97 | 236,327 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,591 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,796 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,926 |
| Asia Map Quiz | 0 | - | 4.99 | 905,612 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 150,405 |
| Countries of Africa | 0 | - | 5.00 | 2,504,011 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,697 |
| African East Coast | 0 | - | 4.96 | 94,902 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,767 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,965 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,715 |
| Australia Map Quiz | 0 | - | 4.94 | 342,206 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,450 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,811 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,700 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,044 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,479 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,320 |
| The Only European Country ... | 0 | - | 4.91 | 213,453 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,301 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,523 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,403 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,654 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,277 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,462 |
| Christmas Carol Lyrics | 0 | - | 4.18 | 12,453 |
| States of India | 0 | - | 4.94 | 189,653 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,164 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,123 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,967 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,458 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,452 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,140 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,412 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,192 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,894 |
| The Only African Country ... | 0 | - | 4.99 | 128,253 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,729 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,226 |
| African Island Countries | 0 | - | 4.96 | 100,641 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,432 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,937 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,001 |
| Flags of Oceania | 0 | - | 5.00 | 254,555 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,627 |
| Australian States and Territories | 0 | - | 4.95 | 140,543 |
| Famous Australians by Description | 0 | - | 4.23 | 27,407 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,299 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,987 |
| Australian Slang | 0 | - | 4.25 | 28,451 |
| Flags of North and South America | 0 | - | 4.99 | 365,326 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,102 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,064 |
| The Only American Country ... | 0 | - | 4.92 | 120,646 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,244 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,932 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,191 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,325 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,466 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,279 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,848 |
| North America Map Quiz | 0 | - | 4.98 | 243,956 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,812 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,778 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,826 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,138 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,332 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,735 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,965 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,016 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,422 |
| US States Quiz | 0 | - | 5.00 | 16,676,795 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,215 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,264 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 21,307 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,528 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,282 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,452 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,224 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,833 |
| Celtic Nations | 0 | - | 4.69 | 46,796 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,260 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,490 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,571 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,181 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,953 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,012 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,194 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,397 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,617 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,768 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,102 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,536 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,486 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,626 |
| Monarchies of Europe | 0 | - | 4.90 | 97,194 |
| European Countries with One Border | 0 | - | 4.97 | 181,442 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,958 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,154 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,748 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,128 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,055 |
| Slavic Countries | 0 | - | 4.96 | 110,765 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,551 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,092 |
| Regions of France Map Quiz | 0 | - | 4.97 | 142,979 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,546 |
| States of Germany | 0 | - | 4.96 | 149,740 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,001 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,896 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,480 |
| Regions of Italy | 0 | - | 4.92 | 74,585 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,723 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,122 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,050 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,857 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,827 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,919 |
| Counties of England | 0 | - | 4.97 | 788,215 |
| Imagine Lyrics | 0 | - | 4.53 | 43,038 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,510 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,392 |
| Champions League Winners | 0 | - | 4.92 | 994,917 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,395 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,256 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,924 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,665 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,312 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,125 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,901 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,573 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,345 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,234 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,520 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,568 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,584 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,273 |
| Monarchies of Asia | 0 | - | 4.97 | 70,531 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,004 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,375 |
| Countries of the Middle East | 0 | - | 4.96 | 198,682 |
| Provinces of Turkey | 0 | - | 4.95 | 199,883 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,214 |
| Provinces of China | 0 | - | 4.97 | 199,653 |
| Japanese Prefectures | 0 | - | 4.98 | 134,247 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,115 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,696 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,601 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,713 |
| States of India Map Quiz | 0 | - | 4.82 | 25,983 |
| Countries Bordering India | 0 | - | 4.98 | 162,530 |
| Countries Closest to India | 0 | - | 4.96 | 102,136 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,701 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,283 |
| 10 African Countries with the Most Tourists | 0 | - | 4.38 | 60,090 |
| African Great Lakes | 0 | - | 4.82 | 65,014 |
| Every African Country Shape | 0 | - | 4.90 | 85,843 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,772 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,122 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,281 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,176 |
| Name a Valid African Country | 0 | - | 4.98 | 152,795 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,447 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,475 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,475 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,784 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,868 |
| Morocco Country Quiz | 0 | - | 4.81 | 45,970 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,278 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,723 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,007 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,181 |
| Palau Country Quiz | 0 | - | 4.89 | 22,814 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,165 |
