| Uruguay Country Quiz | 0 | - | 4.84 | 31,777 |
| North America Map Quiz | 0 | - | 4.98 | 252,485 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,016 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,620 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,268 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,864 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,924 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,727 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,701 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,056 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,936 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,446 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,589 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,745 |
| States of Mexico | 0 | - | 4.96 | 178,528 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,561 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,973 |
| States of Brazil | 0 | - | 4.98 | 89,928 |
| North American Physical Geography | 0 | - | 4.35 | 30,469 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,491 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,468 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,738 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,203 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,404 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,793 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,821 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,930 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,890 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,561 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,413 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,190 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,906 |
| Australian Capitals | 0 | - | 4.92 | 62,850 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,799 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,810 |
| Official European Union Languages | 0 | - | 4.97 | 239,959 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,751 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,194 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,061 |
| Asia Map Quiz | 0 | - | 4.99 | 926,104 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,948 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,552 |
| Australia Map Quiz | 0 | - | 4.95 | 346,342 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,325 |
| New World Crops | 0 | - | 4.38 | 30,976 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,867 |
| History of Mexico | 0 | - | 4.52 | 15,372 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,278 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,924 |
| Word Chain - South America | 0 | - | 4.51 | 24,010 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,711 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,190 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,965 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,068 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,450 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,360 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,369 |
| The Only European Country ... | 0 | - | 4.91 | 219,373 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,718 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,082 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,066 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,729 |
| Countries of Africa | 0 | - | 5.00 | 2,562,914 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,166 |
| African East Coast | 0 | - | 4.96 | 96,878 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,742 |
| Australian States and Territories | 0 | - | 4.96 | 142,960 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,520 |
| Australia True or False | 0 | - | 4.87 | 57,187 |
| Flags of North and South America | 0 | - | 4.99 | 377,614 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,779 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,730 |
| South American Physical Geography | 0 | - | 4.58 | 18,410 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,603 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,739 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,078 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,218 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,522 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,089 |
| Celtic Nations | 0 | - | 4.61 | 47,115 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,639 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,703 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,407 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,086 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,864 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,091 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,998 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,241 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,644 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,292 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,852 |
| Slavic Countries | 0 | - | 4.96 | 112,460 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,721 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,496 |
| Counties of England | 0 | - | 4.97 | 803,729 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,252 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,311 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,876 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,653 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,026 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,260 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,941 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,412 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,171 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,786 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,720 |
| Countries of the Middle East | 0 | - | 4.96 | 203,133 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,782 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,551 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,528 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,026 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,995 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,591 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 46,556 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,850 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,400 |
| African Island Countries | 0 | - | 4.96 | 102,672 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,767 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,880 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,622 |
| Flags of Oceania | 0 | - | 5.00 | 263,159 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,782 |
| Palau Country Quiz | 0 | - | 4.89 | 23,157 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,603 |
| Australia Country Quiz | 0 | - | 4.43 | 69,868 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,925 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,662 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,893 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,068 |
| Regions of New Zealand | 0 | - | 4.84 | 28,768 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,557 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,965 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,631 |
| The Only American Country ... | 0 | - | 4.92 | 122,296 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,730 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,909 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,862 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,082 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,966 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,736 |
| Famous People from South America | 0 | - | 4.15 | 22,123 |
| South America A-Z | 0 | - | 4.15 | 10,951 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,691 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,294 |
| Central American Countries | 0 | - | 4.98 | 157,466 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,657 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,904 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,798 |
| Famous Caribbean People | 0 | - | 4.37 | 12,665 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,168 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,891 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,232 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,933 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,548 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,913 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,495 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,018 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,657 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,812 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,132 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,118 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,782 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,306 |
| US States Quiz | 0 | - | 5.00 | 17,011,802 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,806 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,462 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,572 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,510 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,060 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,006 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,894 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,931 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,656 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,732 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,846 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,783 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,890 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,567 |
| Monarchies of Europe | 0 | - | 4.90 | 98,974 |
| European Countries with One Border | 0 | - | 4.97 | 183,944 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,661 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,136 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,163 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,013 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,116 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,485 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,057 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,028 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,087 |
| Russia Country Quiz | 0 | - | 4.83 | 115,390 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,757 |
| Countries That Border Russia | 0 | - | 4.98 | 464,727 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,800 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,538 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,613 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,972 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,751 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,912 |
| Departments of France | 0 | - | 4.93 | 55,295 |
| Countries Bordering France | 0 | - | 4.83 | 405,172 |
