| United States Map Quiz | 0 | - | 4.98 | 4,032,034 |
| Countries of North America Quiz | 0 | - | 5.00 | 941,304 |
| North America Map Quiz | 0 | - | 4.98 | 219,823 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 110,494 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 606,360 |
| Most Spoken Languages in Canada | 0 | - | 4.90 | 50,665 |
| Central America and Caribbean Map Quiz | 0 | - | 4.88 | 878,792 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 51,724 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 89,774 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 54,192 |
| U.S. State Border Crossings | 0 | - | 4.96 | 85,599 |
| U.S. Citizenship Test Questions | 0 | - | 4.84 | 229,771 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.86 | 69,672 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 67,398 |
| Canada Provinces and Territories | 0 | - | 4.99 | 308,005 |
| Central American Countries | 0 | - | 4.98 | 146,907 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 108,453 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 122,615 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.88 | 24,707 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 78,231 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 152,589 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 172,770 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 118,836 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.83 | 66,317 |
| Top 10 Newest U.S. States | 0 | - | 4.83 | 82,407 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.82 | 61,571 |
| Most-Spoken Languages of the United States | 0 | - | 4.44 | 179,944 |
| Canada Geography Trivia | 0 | - | 4.80 | 46,173 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 94,089 |
| Flags of Africa Quiz | 0 | - | 5.00 | 419,634 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 331,107 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 109,798 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 137,709 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 116,697 |
| South America Map Quiz | 0 | - | 5.00 | 1,481,252 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,119,089 |
| Flags of Asia Quiz | 0 | - | 4.99 | 560,974 |
| Pixelated Americas Map | 0 | - | 4.42 | 44,360 |
| Territories of the United States | 0 | - | 4.77 | 50,339 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.80 | 37,023 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 167,649 |
| Major non-NATO U.S. Allies | 0 | - | 4.46 | 40,469 |
| Name a Valid Answer - United States #1 | 0 | - | 4.64 | 89,960 |
| Canada Immigration by Country | 0 | - | 4.51 | 59,664 |
| Pixelated Africa Map | 0 | - | 4.98 | 92,914 |
| Flags of Oceania | 0 | - | 5.00 | 232,903 |
| North America Capitals Quiz | 0 | - | 4.99 | 200,236 |
| Most Common High School Mascots | 0 | - | 4.44 | 30,052 |
| Native American Tribes in the US | 0 | - | 4.74 | 24,014 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,601 |
| Pixelated Europe Map | 0 | - | 4.88 | 115,059 |
| Pixelated Asia Map | 0 | - | 4.91 | 67,547 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 88,119 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 99,379 |
| Flags of the Mediterranean | 0 | - | 4.94 | 129,882 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 47,753 |
| History of Mexico | 0 | - | 4.57 | 14,641 |
| U.S. Federal Holidays | 0 | - | 4.30 | 97,558 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 60,621 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,176 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.19 | 51,656 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 39,169 |
| Branches of the U.S. Military | 0 | - | 4.41 | 22,645 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 96,870 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 73,059 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 72,772 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 79,983 |
| Top 10 Least Obese U.S. States | 0 | - | 4.74 | 71,568 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.47 | 72,672 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 50,471 |
| Top 10 Most White U.S. States | 0 | - | 4.50 | 76,965 |
| Top 10 Most German U.S. States | 0 | - | 4.49 | 56,782 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 38,888 |
| Ten Most Rectangular U.S. States | 0 | - | 4.52 | 59,031 |
| Canadian Geography on the Map | 0 | - | 4.57 | 25,121 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 506,195 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 306,712 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 258,678 |
| Name that Historical Figure #5 | 0 | - | 4.41 | 97,353 |
| Haiti... or Dominican Republic? | 0 | - | 4.69 | 39,356 |
| Embarrassing Chapters in US History | 0 | - | 4.19 | 32,259 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.64 | 43,784 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,986 |
| Bahamas Country Quiz | 0 | - | 4.62 | 18,326 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 256,204 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.09 | 26,492 |
| American Islands | 0 | - | 4.18 | 16,065 |
| American Foods | 0 | - | 3.69 | 38,667 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,894 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.25 | 14,127 |
| U.S. Groups of Four Quiz | 0 | - | 4.38 | 24,286 |
| U.S. Groups of Three Quiz | 0 | - | 4.06 | 20,190 |
| 75 Americans Named John | 0 | - | 4.39 | 23,295 |
| New York City Geography | 0 | - | 4.38 | 23,804 |
| Old West History | 0 | - | 4.30 | 14,996 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,363 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,360 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 28,668 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.65 | 31,347 |
| U.S. States with Oldest Median Age | 0 | - | 4.32 | 36,264 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.29 | 42,762 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.39 | 70,726 |
| US States with the Most Executions | 0 | - | 4.51 | 26,016 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 27,961 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 44,628 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 23,124 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 27,702 |
| U.S. Geography - Multiple Choice | 0 | - | 4.45 | 23,722 |
| 20 Most-Visited Places in Canada | 0 | - | 4.20 | 12,644 |
| Canada Decoder | 0 | - | 4.10 | 18,214 |
| Famous Canadians by Picture | 0 | - | 4.47 | 30,315 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 189,415 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 266,054 |
| Former Countries by Territory Map | 0 | - | 4.96 | 92,991 |
| Empires by Maps | 0 | - | 4.99 | 105,684 |
| Australian Capitals | 0 | - | 4.92 | 61,771 |
| Famous Australians by Picture | 0 | - | 4.24 | 27,131 |
| Largest Caribbean Islands | 0 | - | 4.06 | 15,978 |
| Famous Caribbean People | 0 | - | 4.36 | 12,319 |
| Saintly Islands of the Caribbean | 0 | - | 4.31 | 23,052 |
| North America Cities by Map | 0 | - | 4.41 | 46,502 |
| California Multiple Choice | 0 | - | 4.40 | 27,499 |
| San Francisco Trivia | 0 | - | 4.35 | 15,416 |
| San Francisco A-Z | 0 | - | 4.22 | 9,268 |
| Florida Multiple Choice | 0 | - | 4.33 | 9,942 |
| Boston Trivia | 0 | - | 4.38 | 23,766 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 40,925 |
| Count to 10 in Europe: Pro | 0 | - | 4.84 | 64,519 |
| Official European Union Languages | 0 | - | 4.98 | 226,031 |
| European Countries in their Native Language | 0 | - | 4.99 | 150,199 |
| Europe Map Quiz | 0 | - | 5.00 | 4,511,439 |
| Cross Flags of Europe | 0 | - | 4.44 | 283,089 |
| Satellite Images - Europe | 0 | - | 4.47 | 98,979 |
| European Cities by Picture #2 | 0 | - | 4.45 | 36,389 |
| Islands by Shape #2 | 0 | - | 4.88 | 46,688 |
| Countries by Road Signs | 0 | - | 4.98 | 48,844 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.26 | 67,236 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.24 | 49,006 |
| Women in History by Picture | 0 | - | 4.32 | 24,582 |
| International Footballers by Picture | 0 | - | 4.40 | 49,418 |
| Name that Historical Figure #3 | 0 | - | 4.40 | 224,152 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 147,713 |
| Name that Historical Figure #6 | 0 | - | 4.25 | 84,537 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 57,281 |
| All Country Flags of the World | 0 | - | 5.00 | 3,259,212 |
| Africa Map Quiz | 0 | - | 5.00 | 2,019,929 |
| Oceania Map Quiz | 0 | - | 4.98 | 599,076 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,628 |
| Three Real and One Fake - U.S. History | 0 | - | 4.32 | 24,850 |
| U.S. History Multiple Choice #2 | 0 | - | 4.36 | 24,503 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 21,709 |
| U.S. History Multiple Choice #3 | 0 | - | 4.40 | 24,022 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 24,849 |
| Top 10 Most Religious U.S. States | 0 | - | 4.34 | 18,425 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.34 | 24,837 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.23 | 22,009 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,314 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.24 | 11,896 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,454 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.15 | 9,221 |
| U.S. History Multiple Choice #5 | 0 | - | 4.32 | 11,023 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 406,199 |
| Famous Germans by Picture | 0 | - | 4.11 | 16,100 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,149 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,389,602 |
| Asia Map Quiz | 0 | - | 4.99 | 844,286 |
| Flags of the Middle East | 0 | - | 4.70 | 60,445 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.37 | 152,510 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.29 | 124,762 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.31 | 42,519 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.34 | 44,928 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,446,058 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,046,552 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 700,709 |
| Countries of Africa | 0 | - | 5.00 | 2,324,811 |
| African East Coast | 0 | - | 4.96 | 89,401 |
| Western Africa Map Quiz | 0 | - | 4.97 | 67,049 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 44,927 |
| Australia Map Quiz | 0 | - | 4.94 | 331,889 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,776 |
| Word Chain - South America | 0 | - | 4.50 | 23,000 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 20,971 |
| American Inventions #1 | 0 | - | 3.65 | 31,204 |
| American Inventions #2 | 0 | - | 3.91 | 15,593 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.40 | 35,507 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.36 | 41,633 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.28 | 32,680 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.87 | 18,979 |
| Shrinking U.S. States | 0 | - | 4.37 | 39,178 |
| University of California Campuses | 0 | - | 3.90 | 8,507 |
| Famous Canadians Quiz | 0 | - | 3.92 | 23,040 |
| Canadian Musical Acts | 0 | - | 3.98 | 18,275 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 200,943 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 89,084 |
| Top 10 Oldest African Countries | 0 | - | 4.85 | 25,029 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,695 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 348,737 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,421 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,555 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,361 |
