| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,391 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,033 |
| Word Chain - South America | 0 | - | 4.51 | 23,794 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,619 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,298 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,380 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,596 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,068 |
| North America Map Quiz | 0 | - | 4.98 | 245,790 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,468 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,061 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,064 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,785 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,758 |
| Famous People from South America | 0 | - | 4.15 | 21,835 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,409 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,382 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,234 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,120 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,269 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,091 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,594 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,038 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,260 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,614 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,046 |
| States of Mexico | 0 | - | 4.95 | 174,068 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,232 |
| States of Brazil | 0 | - | 4.98 | 86,795 |
| Central American Countries | 0 | - | 4.98 | 155,335 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,444 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,096 |
| History of Mexico | 0 | - | 4.58 | 15,246 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,069 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,615 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,027 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,279 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,214 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,649 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,161 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,786 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 66,978 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,914 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,534 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,419 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,991 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,846 |
| Australian Capitals | 0 | - | 4.92 | 62,618 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,618 |
| Famous Caribbean People | 0 | - | 4.37 | 12,575 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,959 |
| Territories of the United States | 0 | - | 4.79 | 52,219 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,442 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,808 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,863 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,585 |
| New York City Geography | 0 | - | 4.42 | 32,987 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,316 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,752 |
| Official European Union Languages | 0 | - | 4.97 | 237,341 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,138 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,856 |
| Africa Map Quiz | 0 | - | 5.00 | 2,107,840 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,126 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,445 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,301 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,962 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,747 |
| Asia Map Quiz | 0 | - | 4.99 | 909,127 |
| Countries of Africa | 0 | - | 5.00 | 2,515,400 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,065 |
| African East Coast | 0 | - | 4.96 | 95,321 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,201 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,053 |
| Australia Map Quiz | 0 | - | 4.94 | 342,931 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,212 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,903 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,649 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,232 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,502 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,154 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,156 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,664 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,556 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,860 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,391 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,849 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,471 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,959 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,248 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,476 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,445 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,476 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,221 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,044 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,686 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,225 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,685 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,390 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,555 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,852 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,656 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,012 |
| The Only European Country ... | 0 | - | 4.91 | 214,618 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,008 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,628 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,946 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,929 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,553 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,298 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,961 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,769 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,519 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,694 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,485 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,932 |
| African Island Countries | 0 | - | 4.96 | 101,002 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,129 |
| Australian States and Territories | 0 | - | 4.96 | 141,179 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,085 |
| Australia True or False | 0 | - | 4.87 | 56,603 |
| Flags of North and South America | 0 | - | 4.99 | 368,998 |
| South American Physical Geography | 0 | - | 4.58 | 18,294 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,619 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,028 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,999 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,055 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,119 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,604 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,269 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,306 |
| Celtic Nations | 0 | - | 4.69 | 46,848 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,926 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,968 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,547 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,964 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,643 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,997 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,842 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,886 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,008 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,538 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,381 |
| Slavic Countries | 0 | - | 4.96 | 111,074 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,135 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,667 |
| Counties of England | 0 | - | 4.97 | 791,232 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,472 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,501 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,542 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,029 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,605 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,458 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,049 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,757 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,886 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,265 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,346 |
| Countries of the Middle East | 0 | - | 4.96 | 199,475 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,311 |
| States of India | 0 | - | 4.94 | 191,100 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,273 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,062 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,359 |
| The Only African Country ... | 0 | - | 4.99 | 128,564 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,860 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,271 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,835 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,573 |
| Flags of Oceania | 0 | - | 5.00 | 256,220 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,061 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,651 |
| Australia Country Quiz | 0 | - | 4.43 | 69,374 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,204 |
| Regions of New Zealand | 0 | - | 4.85 | 28,300 |
| The Only American Country ... | 0 | - | 4.92 | 121,016 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,516 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,977 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,730 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,066 |
| Which Island in the United States? | 0 | - | 4.29 | 29,258 |
| American Foods | 0 | - | 3.66 | 39,311 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,116 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,090 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,684 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,234 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,828 |
| Old West History | 0 | - | 4.33 | 15,235 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,501 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,876 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,661 |
| US States Quiz | 0 | - | 5.00 | 16,746,462 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,596 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,609 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,423 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,212 |
| US States with the Most Executions | 0 | - | 4.51 | 26,361 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,958 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,718 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,104 |
