| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,816 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,952 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,165 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,925 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,169 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,154 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,289 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,303 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,268 |
| North America Map Quiz | 0 | - | 4.98 | 250,916 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,929 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,475 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,653 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,034 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,737 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,783 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,625 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,820 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,826 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,180 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,330 |
| Central American Countries | 0 | - | 4.98 | 157,139 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,960 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,522 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,093 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,578 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,769 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,569 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,908 |
| History of Mexico | 0 | - | 4.52 | 15,357 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,751 |
| Famous Caribbean People | 0 | - | 4.37 | 12,649 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,123 |
| New York True or False? | 0 | - | 4.53 | 33,919 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,287 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,877 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,263 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,655 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,874 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,656 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,419 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,716 |
| Territories of the United States | 0 | - | 4.80 | 52,565 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,828 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,964 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,424 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,293 |
| Florida True or False? | 0 | - | 4.48 | 28,750 |
| New York City Geography | 0 | - | 4.43 | 33,170 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,767 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,817 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,702 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,788 |
| States of Mexico | 0 | - | 4.96 | 177,711 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,579 |
| States of Brazil | 0 | - | 4.97 | 89,292 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,612 |
| California Multiple Choice | 0 | - | 4.40 | 28,160 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,198 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,683 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,585 |
| Word Chain - South America | 0 | - | 4.51 | 23,975 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,589 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,416 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,759 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,705 |
| 75 Americans Named John | 0 | - | 4.41 | 23,959 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,143 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,825 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,621 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,113 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,278 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,651 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,237 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,868 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,185 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,801 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,398 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,479 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,821 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,259 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,186 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,540 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,942 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,201 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,046 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,243 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,660 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,405 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,352 |
| Peru True or False? | 0 | - | 4.58 | 15,302 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,177 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,770 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,678 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,499 |
| US States with the Most Executions | 0 | - | 4.51 | 26,421 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,141 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,208 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,224 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,786 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,869 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,272 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,190 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,832 |
| WWI... or WWII? | 0 | - | 4.85 | 143,059 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,430 |
| Famous People from South America | 0 | - | 4.15 | 22,061 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,177 |
| Which Island in the United States? | 0 | - | 4.29 | 29,716 |
| American Foods | 0 | - | 3.66 | 39,425 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,142 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,321 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,806 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,414 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,964 |
| U.S. Analogies | 0 | - | 4.27 | 19,712 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,474 |
| Old West History | 0 | - | 4.34 | 15,292 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,530 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,975 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,718 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,237 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,829 |
| Canada Decoder | 0 | - | 4.07 | 18,758 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,825 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 43,234 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,907 |
| North America Cities by Map | 0 | - | 4.41 | 47,906 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,670 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,427 |
| San Francisco Trivia | 0 | - | 4.32 | 15,721 |
| San Francisco A-Z | 0 | - | 4.18 | 9,583 |
| Boston City Trivia | 0 | - | 4.38 | 24,194 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,409 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,520 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,151 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,624 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,380 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,874 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,588 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,403 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,545 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,973 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,335 |
| Which Asian Country? | 0 | - | 4.64 | 57,701 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,064 |
| Which African Country? | 0 | - | 4.58 | 36,435 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,163 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,082 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,302 |
| Australian Capitals | 0 | - | 4.92 | 62,807 |
| Australia Map Quiz | 0 | - | 4.95 | 345,824 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,304 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,360 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,836 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,495 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,829 |
| South American Physical Geography | 0 | - | 4.58 | 18,388 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,761 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,356 |
| American Inventions #1 | 0 | - | 3.62 | 31,526 |
| American Inventions #2 | 0 | - | 3.93 | 15,884 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,903 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,609 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,404 |
| University of California Campuses | 0 | - | 3.84 | 8,943 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 26,576 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,422 |
| Canada True or False? | 0 | - | 4.57 | 55,068 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,503 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,848 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,334 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,590 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,781 |
| Official European Union Languages | 0 | - | 4.97 | 239,472 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,479 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,233 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,781 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,281 |
| The Only European Country ... | 0 | - | 4.91 | 218,432 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,196 |
| Russia True or False? | 0 | - | 4.67 | 35,864 |
| France True or False? | 0 | - | 4.44 | 40,039 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,795 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,005 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,206 |
| Asia Map Quiz | 0 | - | 4.99 | 923,268 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,709 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,340 |
| China Multiple Choice | 0 | - | 4.50 | 37,382 |
| Countries of Africa | 0 | - | 5.00 | 2,553,653 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,302 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,646 |
| African East Coast | 0 | - | 4.96 | 96,587 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,431 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,862 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,475 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,451 |
| South Africa Multiple Choice | 0 | - | 4.55 | 27,536 |
| Flags of Oceania | 0 | - | 5.00 | 261,944 |
