| Australian Capitals | 0 | - | 4.92 | 62,826 |
| Countries by National Anthem | 0 | - | 4.93 | 71,400 |
| 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 | 27,689 |
| Regions of New Zealand | 0 | - | 4.84 | 28,718 |
| Australia Country Quiz | 0 | - | 4.43 | 69,824 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,225 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,434 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,330 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,281 |
| Europe Map Quiz | 0 | - | 5.00 | 4,786,370 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,225 |
| Elton John Quiz | 0 | - | 4.49 | 18,522 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,744 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,590 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,283 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,773 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,995 |
| 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 | 69,686 |
| Official European Union Languages | 0 | - | 4.97 | 239,704 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,594 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,710 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,174 |
| Asia Map Quiz | 0 | - | 4.99 | 924,706 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,044 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 151,123 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,131 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,419 |
| Australia Map Quiz | 0 | - | 4.95 | 346,080 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,633 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,838 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,892 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,674 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,132 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,288 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,014 |
| The Only European Country ... | 0 | - | 4.91 | 218,851 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,431 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,042 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,075 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,048 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,885 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,050 |
| Countries of Africa | 0 | - | 5.00 | 2,558,222 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,799 |
| African East Coast | 0 | - | 4.96 | 96,720 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,564 |
| Christmas Carol Lyrics | 0 | - | 4.20 | 12,540 |
| Flags of Oceania | 0 | - | 5.00 | 262,493 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,731 |
| Australian States and Territories | 0 | - | 4.96 | 142,808 |
| Famous Australians by Description | 0 | - | 4.23 | 28,136 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,461 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,490 |
| Australian Slang | 0 | - | 4.24 | 28,723 |
| Flags of North and South America | 0 | - | 4.99 | 376,700 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,937 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,755 |
| The Only American Country ... | 0 | - | 4.92 | 122,183 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,622 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,599 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,223 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,742 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 904,844 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,810 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,790 |
| North America Map Quiz | 0 | - | 4.98 | 251,864 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,136 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,956 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,863 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,775 |
| 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 | 74,947 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,073 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,245 |
| US States Quiz | 0 | - | 5.00 | 16,988,117 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,930 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,391 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,876 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,543 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,472 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,155 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,498 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,045 |
| Celtic Nations | 0 | - | 4.61 | 47,087 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,724 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,215 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,456 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,995 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,444 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,631 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,438 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,734 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,497 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,991 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,728 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,619 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,562 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,434 |
| Monarchies of Europe | 0 | - | 4.90 | 98,818 |
| European Countries with One Border | 0 | - | 4.97 | 183,727 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,477 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,308 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,304 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,130 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,738 |
| Slavic Countries | 0 | - | 4.96 | 112,327 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,361 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,435 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,578 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,757 |
| States of Germany | 0 | - | 4.95 | 154,371 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,678 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,662 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,422 |
| Regions of Italy | 0 | - | 4.92 | 76,986 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,772 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,255 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,723 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,329 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,488 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,968 |
| Counties of England | 0 | - | 4.97 | 802,485 |
| Imagine Lyrics | 0 | - | 4.53 | 43,532 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,318 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| Champions League Winners | 0 | - | 4.92 | 1,015,547 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,796 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,771 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,955 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,487 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,866 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,111 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,788 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,766 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,281 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,056 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,382 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,027 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,534 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,742 |
| Monarchies of Asia | 0 | - | 4.97 | 71,480 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,549 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,269 |
| Countries of the Middle East | 0 | - | 4.96 | 202,645 |
| Provinces of Turkey | 0 | - | 4.95 | 205,811 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,728 |
| Provinces of China | 0 | - | 4.97 | 207,788 |
| Japanese Prefectures | 0 | - | 4.98 | 138,906 |
| States of India | 0 | - | 4.94 | 195,748 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,494 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,098 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,562 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,293 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,526 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,227 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,090 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,260 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,539 |
| The Only African Country ... | 0 | - | 4.99 | 129,629 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,373 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,191 |
| African Island Countries | 0 | - | 4.96 | 102,404 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,548 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,054 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,416 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,777 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,788 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,801 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,904 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,112 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,811 |
| Palau Country Quiz | 0 | - | 4.89 | 23,135 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,880 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,568 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,775 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,416 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,543 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,946 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,611 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,595 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,847 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,800 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,782 |
| States of Mexico | 0 | - | 4.96 | 178,129 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,804 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,567 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,454 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,755 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,547 |
| States of Brazil | 0 | - | 4.97 | 89,620 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,986 |
| Central American Countries | 0 | - | 4.98 | 157,272 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,555 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,352 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,434 |
