| United States Map Quiz | 0 | - | 4.98 | 4,168,270 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,262 |
| North America Map Quiz | 0 | - | 4.98 | 250,961 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,931 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,327 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,346 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,475 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,294 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,657 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,038 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,750 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,784 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,631 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,822 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,830 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,183 |
| Central American Countries | 0 | - | 4.98 | 157,144 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,168 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,943 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,964 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,527 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,096 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,580 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,771 |
| 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 | 67,914 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,909 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,266 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,656 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,955 |
| Flags of North and South America | 0 | - | 4.99 | 376,006 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,879 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,661 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,449 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,340 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,345 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,508 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,028 |
| Territories of the United States | 0 | - | 4.80 | 52,566 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,833 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,969 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,434 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,296 |
| New York City Geography | 0 | - | 4.43 | 33,170 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,818 |
| Flags of Oceania | 0 | - | 5.00 | 261,975 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,637 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,685 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,259 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,311 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,648 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,307 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,846 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,711 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,338 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,148 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,352 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,364 |
| History of Mexico | 0 | - | 4.52 | 15,357 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,591 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,416 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,761 |
| 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 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,872 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,187 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,802 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,401 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,480 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,821 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,261 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,187 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,544 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,944 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,203 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,047 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,665 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,405 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,902 |
| International Footballers by Picture | 0 | - | 4.51 | 56,230 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,681 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,346 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,817 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,177 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,238 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,244 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,272 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,431 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,177 |
| Which Island in the United States? | 0 | - | 4.29 | 29,717 |
| American Foods | 0 | - | 3.66 | 39,426 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,142 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,322 |
| 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 | 20,965 |
| U.S. Analogies | 0 | - | 4.27 | 19,712 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,477 |
| 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 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,767 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,770 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,683 |
| 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 | 29,142 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,209 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,225 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,788 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,871 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,238 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,831 |
| Canada Decoder | 0 | - | 4.07 | 18,759 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,480 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,003 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,353 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,081 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,496 |
| Empires by Maps | 0 | - | 4.98 | 121,511 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,703 |
| Australian Capitals | 0 | - | 4.92 | 62,809 |
| Famous Australians by Picture | 0 | - | 4.25 | 28,910 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,753 |
| Famous Caribbean People | 0 | - | 4.37 | 12,651 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,123 |
| North America Cities by Map | 0 | - | 4.41 | 47,907 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,670 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,428 |
| California Multiple Choice | 0 | - | 4.40 | 28,160 |
| San Francisco Trivia | 0 | - | 4.32 | 15,722 |
| San Francisco A-Z | 0 | - | 4.18 | 9,583 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,198 |
| Boston City Trivia | 0 | - | 4.38 | 24,194 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,718 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,594 |
| Official European Union Languages | 0 | - | 4.97 | 239,488 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,486 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,646 |
| Cross Flags of Europe | 0 | - | 4.43 | 300,079 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,031 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,363 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,451 |
| Countries by Road Signs | 0 | - | 4.98 | 54,240 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,685 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,614 |
| Women in History by Picture | 0 | - | 4.25 | 26,007 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,353 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,832 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,875 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,960 |
| All Country Flags of the World | 0 | - | 5.00 | 3,701,656 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,585 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,152 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,741 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,789 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,825 |
| 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 Most Religious U.S. States | 0 | - | 4.32 | 19,409 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,521 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,152 |
| 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 | 9,589 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,314 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,888 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,995 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,278 |
| Asia Map Quiz | 0 | - | 4.99 | 923,386 |
| Flags of the Middle East | 0 | - | 4.69 | 62,782 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,390 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 130,016 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.30 | 46,831 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.38 | 48,992 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,685 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,111 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,710 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,165 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,306 |
| Australia Map Quiz | 0 | - | 4.95 | 345,849 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,304 |
| Word Chain - South America | 0 | - | 4.51 | 23,977 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,356 |
| American Inventions #1 | 0 | - | 3.62 | 31,527 |
| American Inventions #2 | 0 | - | 3.93 | 15,884 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,904 |
| 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 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,422 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,523 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,849 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,360 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,804 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,238 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,794 |
