| Australian Capitals | 0 | - | 4.92 | 62,861 |
| Countries by National Anthem | 0 | - | 4.92 | 71,437 |
| Australia True or False | 0 | - | 4.87 | 57,212 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,321 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,803 |
| Regions of New Zealand | 0 | - | 4.84 | 28,799 |
| Australia Country Quiz | 0 | - | 4.43 | 69,888 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,325 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,485 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,028 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,389 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,166 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,693 |
| Elton John Quiz | 0 | - | 4.49 | 18,534 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,991 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,022 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,653 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,810 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,290 |
| Word Chain - Australia | 0 | - | 4.38 | 38,260 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,799 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,855 |
| Official European Union Languages | 0 | - | 4.97 | 240,363 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,811 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,391 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,383 |
| Asia Map Quiz | 0 | - | 4.99 | 926,686 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,712 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 151,201 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,148 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,599 |
| Australia Map Quiz | 0 | - | 4.95 | 346,482 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,471 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,332 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,982 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,219 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,583 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,379 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,473 |
| The Only European Country ... | 0 | - | 4.91 | 219,565 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,817 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,103 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,151 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,097 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,166 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,012 |
| Countries of Africa | 0 | - | 5.00 | 2,564,569 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,248 |
| African East Coast | 0 | - | 4.96 | 96,925 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,806 |
| Christmas Carol Lyrics | 0 | - | 4.20 | 12,549 |
| Flags of Oceania | 0 | - | 5.00 | 263,454 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,744 |
| Australian States and Territories | 0 | - | 4.96 | 143,060 |
| Famous Australians by Description | 0 | - | 4.23 | 28,187 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,680 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,545 |
| Australian Slang | 0 | - | 4.24 | 28,758 |
| Flags of North and South America | 0 | - | 4.99 | 378,110 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,078 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,967 |
| The Only American Country ... | 0 | - | 4.92 | 122,347 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,772 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,857 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,350 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,786 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,463 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,232 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,960 |
| North America Map Quiz | 0 | - | 4.98 | 252,756 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,305 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,300 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,958 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,966 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,038 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,055 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,190 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,080 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,331 |
| US States Quiz | 0 | - | 5.00 | 17,021,716 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,082 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,335 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,952 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,659 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,613 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,240 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,310 |
| Celtic Nations | 0 | - | 4.61 | 47,127 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,093 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,139 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,776 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,525 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,983 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,244 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,721 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,904 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,846 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,131 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,898 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,172 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,494 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,618 |
| Monarchies of Europe | 0 | - | 4.90 | 99,027 |
| European Countries with One Border | 0 | - | 4.97 | 184,020 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,726 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,734 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,546 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,359 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,910 |
| Slavic Countries | 0 | - | 4.96 | 112,506 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,920 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,576 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,807 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,978 |
| States of Germany | 0 | - | 4.95 | 154,928 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,749 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,803 |
| Regions of Italy | 0 | - | 4.92 | 77,257 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,911 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,574 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,896 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,832 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,627 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,274 |
| Counties of England | 0 | - | 4.97 | 804,208 |
| Imagine Lyrics | 0 | - | 4.53 | 43,573 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,403 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,865 |
| Champions League Winners | 0 | - | 4.92 | 1,017,934 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,869 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,939 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,108 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,719 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,074 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,321 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,073 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,006 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,478 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,284 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,816 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,218 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,889 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,886 |
| Monarchies of Asia | 0 | - | 4.97 | 71,605 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,355 |
| Countries of the Middle East | 0 | - | 4.96 | 203,259 |
| Provinces of Turkey | 0 | - | 4.95 | 206,304 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,811 |
| Provinces of China | 0 | - | 4.97 | 208,813 |
| Japanese Prefectures | 0 | - | 4.98 | 139,396 |
| States of India | 0 | - | 4.94 | 196,478 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,573 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,059 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,619 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,151 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,058 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,692 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,493 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,558 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,957 |
| The Only African Country ... | 0 | - | 4.99 | 129,796 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,445 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,469 |
| African Island Countries | 0 | - | 4.96 | 102,739 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,868 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,250 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,590 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,985 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 60,622 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,901 |
| Palau Country Quiz | 0 | - | 4.89 | 23,165 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,951 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,698 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,949 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,559 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,564 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,974 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,637 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,666 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,668 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,948 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,895 |
| States of Mexico | 0 | - | 4.96 | 178,719 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,867 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,775 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,614 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,016 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,720 |
| States of Brazil | 0 | - | 4.98 | 90,035 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,053 |
| Central American Countries | 0 | - | 4.98 | 157,539 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,691 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,045 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,588 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,553 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,740 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,010 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,194 |
| Pixelated United States Map | 0 | - | 4.89 | 94,931 |
