| Australian Capitals | 0 | - | 4.92 | 62,887 |
| Countries by National Anthem | 0 | - | 4.92 | 71,451 |
| Australia True or False | 0 | - | 4.87 | 57,258 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,349 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,836 |
| Regions of New Zealand | 0 | - | 4.84 | 28,817 |
| Australia Country Quiz | 0 | - | 4.43 | 69,912 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,434 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,516 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,312 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,439 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,890 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,995 |
| Elton John Quiz | 0 | - | 4.49 | 18,540 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 293,081 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,168 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,788 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,833 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,977 |
| Word Chain - Australia | 0 | - | 4.38 | 38,271 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,804 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,899 |
| Official European Union Languages | 0 | - | 4.97 | 240,490 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,904 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,641 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,838 |
| Asia Map Quiz | 0 | - | 4.99 | 927,388 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,686 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 151,227 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,158 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,681 |
| Australia Map Quiz | 0 | - | 4.95 | 346,662 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,597 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,546 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,015 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,424 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,755 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,417 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,646 |
| The Only European Country ... | 0 | - | 4.91 | 219,842 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,963 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,126 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,180 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,115 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,283 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,388 |
| Countries of Africa | 0 | - | 5.00 | 2,567,078 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,336 |
| African East Coast | 0 | - | 4.96 | 96,990 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,881 |
| Christmas Carol Lyrics | 0 | - | 4.20 | 12,551 |
| Flags of Oceania | 0 | - | 5.00 | 263,783 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,750 |
| Australian States and Territories | 0 | - | 4.96 | 143,149 |
| Famous Australians by Description | 0 | - | 4.23 | 28,206 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,758 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,568 |
| Australian Slang | 0 | - | 4.24 | 28,773 |
| Flags of North and South America | 0 | - | 4.99 | 378,619 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,114 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,043 |
| The Only American Country ... | 0 | - | 4.92 | 122,419 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,834 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,954 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,402 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,803 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,675 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,222 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,061 |
| North America Map Quiz | 0 | - | 4.98 | 253,129 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,370 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,423 |
| U.S. State Border Crossings | 0 | - | 4.97 | 97,003 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,052 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,054 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,119 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,336 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,089 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,358 |
| US States Quiz | 0 | - | 5.00 | 17,035,442 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,485 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,741 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,978 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,704 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,662 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,275 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,880 |
| Celtic Nations | 0 | - | 4.61 | 47,134 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,315 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,889 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,870 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,612 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,047 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,504 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,821 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,967 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,998 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,186 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,948 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,381 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,856 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,739 |
| Monarchies of Europe | 0 | - | 4.90 | 99,110 |
| European Countries with One Border | 0 | - | 4.97 | 184,136 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,850 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,876 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,669 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,464 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,973 |
| Slavic Countries | 0 | - | 4.96 | 112,586 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,082 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,638 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,899 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,078 |
| States of Germany | 0 | - | 4.95 | 155,084 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,778 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,877 |
| Regions of Italy | 0 | - | 4.92 | 77,345 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,982 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,701 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,977 |
| UK Cities Map Quiz | 0 | - | 4.96 | 467,003 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,708 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,400 |
| Counties of England | 0 | - | 4.97 | 804,902 |
| Imagine Lyrics | 0 | - | 4.54 | 43,597 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,432 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,879 |
| Champions League Winners | 0 | - | 4.92 | 1,018,958 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,632 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 111,009 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,194 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,814 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,128 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,389 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,167 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,122 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,578 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,379 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,987 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,302 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 232,024 |
| Pixelated Asia Map | 0 | - | 4.91 | 73,989 |
| Monarchies of Asia | 0 | - | 4.97 | 71,656 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,398 |
| Countries of the Middle East | 0 | - | 4.96 | 203,416 |
| Provinces of Turkey | 0 | - | 4.95 | 206,631 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,840 |
| Provinces of China | 0 | - | 4.97 | 209,254 |
| Japanese Prefectures | 0 | - | 4.98 | 139,613 |
| States of India | 0 | - | 4.94 | 196,775 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,610 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,786 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,643 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,296 |
| 10 Southernmost Countries in Africa | 0 | - | 4.99 | 118,139 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,792 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,951 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,594 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,082 |
| The Only African Country ... | 0 | - | 4.99 | 129,870 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,490 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,626 |
| African Island Countries | 0 | - | 4.96 | 102,821 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 245,004 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,310 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,069 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,077 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 61,086 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,546 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,928 |
| Palau Country Quiz | 0 | - | 4.89 | 23,210 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 91,006 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,768 |
| Countries Closest to Australia | 0 | - | 4.99 | 168,053 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,617 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,586 |
| Samoa Country Quiz | 0 | - | 4.81 | 21,006 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,671 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,686 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,829 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 93,023 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,942 |
| States of Mexico | 0 | - | 4.96 | 178,980 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,908 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,859 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,679 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,117 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,785 |
| States of Brazil | 0 | - | 4.98 | 90,173 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,088 |
| Central American Countries | 0 | - | 4.98 | 157,645 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,728 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,285 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,643 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,636 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,044 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,303 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,636 |
| Pixelated United States Map | 0 | - | 4.89 | 95,055 |
