| Australian Capitals | 0 | - | 4.92 | 62,861 |
| Countries by National Anthem | 0 | - | 4.92 | 71,435 |
| Australia True or False | 0 | - | 4.87 | 57,212 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,320 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,802 |
| Regions of New Zealand | 0 | - | 4.84 | 28,799 |
| Australia Country Quiz | 0 | - | 4.43 | 69,887 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,318 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,484 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,016 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,389 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,036 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,685 |
| Elton John Quiz | 0 | - | 4.49 | 18,533 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,985 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,009 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,645 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,810 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,278 |
| 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 | 69,854 |
| Official European Union Languages | 0 | - | 4.97 | 240,361 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,809 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,380 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,366 |
| Asia Map Quiz | 0 | - | 4.99 | 926,664 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,687 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 151,198 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,147 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,598 |
| Australia Map Quiz | 0 | - | 4.95 | 346,479 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,439 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,321 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,982 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,213 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,576 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,378 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,470 |
| The Only European Country ... | 0 | - | 4.91 | 219,558 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,811 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,102 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,150 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,097 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,161 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,002 |
| Countries of Africa | 0 | - | 5.00 | 2,564,505 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,244 |
| African East Coast | 0 | - | 4.96 | 96,922 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,803 |
| Christmas Carol Lyrics | 0 | - | 4.20 | 12,549 |
| Flags of Oceania | 0 | - | 5.00 | 263,447 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,744 |
| Australian States and Territories | 0 | - | 4.96 | 143,055 |
| Famous Australians by Description | 0 | - | 4.23 | 28,187 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,678 |
| 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 | 378,096 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,077 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,965 |
| The Only American Country ... | 0 | - | 4.92 | 122,344 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,771 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,853 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,325 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,785 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,457 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,196 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,953 |
| North America Map Quiz | 0 | - | 4.98 | 252,741 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,301 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,297 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,957 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,962 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,038 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,053 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,185 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,080 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,328 |
| US States Quiz | 0 | - | 5.00 | 17,021,166 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,066 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,307 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,952 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,656 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,611 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,239 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,257 |
| Celtic Nations | 0 | - | 4.61 | 47,127 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,090 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,080 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,773 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,525 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,981 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,239 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,718 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,904 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,842 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,130 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,897 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,166 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,483 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,610 |
| Monarchies of Europe | 0 | - | 4.90 | 99,025 |
| European Countries with One Border | 0 | - | 4.97 | 184,019 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,725 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,730 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,543 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,356 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,910 |
| Slavic Countries | 0 | - | 4.96 | 112,504 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,914 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,575 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,801 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,972 |
| States of Germany | 0 | - | 4.95 | 154,920 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,746 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,799 |
| Regions of Italy | 0 | - | 4.92 | 77,255 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,909 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,573 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,893 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,830 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,621 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,264 |
| Counties of England | 0 | - | 4.97 | 804,170 |
| Imagine Lyrics | 0 | - | 4.53 | 43,570 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,403 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,862 |
| Champions League Winners | 0 | - | 4.92 | 1,017,889 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,844 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,936 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,107 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,719 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,073 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,316 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,071 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,004 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,476 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,280 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,808 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,216 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,879 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,885 |
| Monarchies of Asia | 0 | - | 4.97 | 71,604 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,351 |
| Countries of the Middle East | 0 | - | 4.96 | 203,253 |
| Provinces of Turkey | 0 | - | 4.95 | 206,301 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,810 |
| Provinces of China | 0 | - | 4.97 | 208,797 |
| Japanese Prefectures | 0 | - | 4.98 | 139,385 |
| States of India | 0 | - | 4.94 | 196,472 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,571 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,027 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,619 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,143 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,053 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,684 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,460 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,558 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,952 |
| The Only African Country ... | 0 | - | 4.99 | 129,794 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,444 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,465 |
| African Island Countries | 0 | - | 4.96 | 102,735 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,865 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,247 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,589 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,984 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 60,602 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,900 |
| Palau Country Quiz | 0 | - | 4.89 | 23,165 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,947 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,697 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,946 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,557 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,563 |
| 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 | 95,661 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,944 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,894 |
| States of Mexico | 0 | - | 4.96 | 178,712 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,859 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,770 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,608 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,015 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,718 |
| States of Brazil | 0 | - | 4.98 | 90,030 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,053 |
| Central American Countries | 0 | - | 4.98 | 157,536 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,691 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,036 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,587 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,552 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,734 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,002 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,183 |
| Pixelated United States Map | 0 | - | 4.89 | 94,926 |
