| Uruguay Country Quiz | 0 | - | 4.84 | 31,794 |
| North America Map Quiz | 0 | - | 4.98 | 252,951 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,043 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,690 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,337 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,878 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,239 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,765 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,722 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,097 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,016 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,507 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,606 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,764 |
| States of Mexico | 0 | - | 4.96 | 178,863 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,653 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,083 |
| States of Brazil | 0 | - | 4.98 | 90,109 |
| North American Physical Geography | 0 | - | 4.35 | 30,477 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,499 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,480 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,746 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,223 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,424 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,810 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,207 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,949 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,109 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,730 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,418 |
| Europe Map Quiz | 0 | - | 5.00 | 4,794,665 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,640 |
| Australian Capitals | 0 | - | 4.92 | 62,865 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,803 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,882 |
| Official European Union Languages | 0 | - | 4.97 | 240,428 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,865 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,514 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,637 |
| Asia Map Quiz | 0 | - | 4.99 | 927,070 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,255 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,634 |
| Australia Map Quiz | 0 | - | 4.95 | 346,578 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,333 |
| New World Crops | 0 | - | 4.38 | 30,983 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,887 |
| History of Mexico | 0 | - | 4.52 | 15,376 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,939 |
| Word Chain - South America | 0 | - | 4.51 | 24,025 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,090 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,443 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,006 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,338 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,673 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,407 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,568 |
| The Only European Country ... | 0 | - | 4.91 | 219,713 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,899 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,117 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,222 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,212 |
| Countries of Africa | 0 | - | 5.00 | 2,565,974 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,301 |
| African East Coast | 0 | - | 4.96 | 96,954 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,853 |
| Australian States and Territories | 0 | - | 4.96 | 143,111 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,555 |
| Australia True or False | 0 | - | 4.87 | 57,231 |
| Flags of North and South America | 0 | - | 4.99 | 378,375 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,909 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,867 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,393 |
| South American Physical Geography | 0 | - | 4.58 | 18,415 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,827 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,294 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,546 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,258 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,169 |
| Celtic Nations | 0 | - | 4.61 | 47,130 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,582 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,831 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,577 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,387 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,938 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,163 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,298 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,673 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,813 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,418 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,945 |
| Slavic Countries | 0 | - | 4.96 | 112,548 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,769 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,526 |
| Counties of England | 0 | - | 4.97 | 804,618 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,950 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,287 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,970 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,777 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,105 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,364 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,077 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,541 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,266 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,960 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,838 |
| Countries of the Middle East | 0 | - | 4.96 | 203,348 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,826 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,596 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,484 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,240 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,108 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,749 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,789 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,028 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,547 |
| African Island Countries | 0 | - | 4.96 | 102,783 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,949 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,830 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,539 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,662 |
| Flags of Oceania | 0 | - | 5.00 | 263,664 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,822 |
| Palau Country Quiz | 0 | - | 4.89 | 23,184 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,731 |
| Australia Country Quiz | 0 | - | 4.43 | 69,900 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,982 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,735 |
| Countries Closest to Australia | 0 | - | 4.99 | 168,014 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,133 |
| Regions of New Zealand | 0 | - | 4.84 | 28,810 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,572 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,985 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,651 |
| The Only American Country ... | 0 | - | 4.92 | 122,384 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,805 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,984 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,920 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,969 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,817 |
| Famous People from South America | 0 | - | 4.15 | 22,146 |
| South America A-Z | 0 | - | 4.15 | 10,959 |
| Brazil States Map Quiz | 0 | - | 4.87 | 48,764 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,593 |
| Central American Countries | 0 | - | 4.98 | 157,606 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,707 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,195 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,811 |
| Famous Caribbean People | 0 | - | 4.37 | 12,670 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,181 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,019 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,364 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,978 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,618 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,017 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,600 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,098 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,904 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,159 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,180 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,291 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,846 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,348 |
| US States Quiz | 0 | - | 5.00 | 17,029,216 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,948 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,582 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,641 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,556 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,187 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,114 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,015 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,024 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,784 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,936 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,928 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,837 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,039 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,689 |
| Monarchies of Europe | 0 | - | 4.90 | 99,070 |
| European Countries with One Border | 0 | - | 4.97 | 184,088 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,803 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,459 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,414 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,213 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,369 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,613 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,535 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,171 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,225 |
| Russia Country Quiz | 0 | - | 4.83 | 115,494 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,010 |
| Countries That Border Russia | 0 | - | 4.98 | 465,031 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,857 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,614 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,661 |
| Andorra Country Quiz | 0 | - | 4.91 | 32,005 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,857 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,032 |
| Departments of France | 0 | - | 4.93 | 55,448 |
| Countries Bordering France | 0 | - | 4.83 | 405,449 |
| Germany Country Quiz | 0 | - | 4.82 | 159,122 |
