| United States Map Quiz | 0 | - | 4.98 | 4,154,765 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,060 |
| North America Map Quiz | 0 | - | 4.98 | 247,890 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,670 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,621 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,372 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,063 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,625 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,755 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,574 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,921 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,381 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,237 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,364 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,793 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,842 |
| Central American Countries | 0 | - | 4.98 | 155,974 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,015 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,408 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,813 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,605 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,078 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,436 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,130 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,406 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,354 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,059 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,508 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,418 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,669 |
| Flags of North and South America | 0 | - | 4.99 | 372,209 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,534 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,120 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,455 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,753 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,883 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,861 |
| Territories of the United States | 0 | - | 4.79 | 52,344 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,596 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,308 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,103 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,873 |
| New York City Geography | 0 | - | 4.42 | 33,068 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,534 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,706 |
| Flags of Oceania | 0 | - | 5.00 | 258,371 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,722 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,250 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,479 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,005 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,555 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,037 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,196 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,362 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,803 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,334 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,210 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,101 |
| History of Mexico | 0 | - | 4.58 | 15,293 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,434 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,267 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,697 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,608 |
| 75 Americans Named John | 0 | - | 4.41 | 23,892 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,974 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,594 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,993 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,616 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,133 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,347 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,629 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,787 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,757 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,365 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,427 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,911 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,846 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,298 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,303 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,984 |
| International Footballers by Picture | 0 | - | 4.50 | 55,452 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,251 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,509 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,702 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,096 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,098 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,145 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,200 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,955 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,104 |
| Which Island in the United States? | 0 | - | 4.29 | 29,451 |
| American Foods | 0 | - | 3.66 | 39,363 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,232 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,733 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,308 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,877 |
| U.S. Analogies | 0 | - | 4.27 | 19,660 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,337 |
| Florida True or False? | 0 | - | 4.48 | 28,655 |
| Old West History | 0 | - | 4.33 | 15,260 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,517 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,917 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,710 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,668 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,530 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,354 |
| US States with the Most Executions | 0 | - | 4.51 | 26,386 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,043 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,935 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,125 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,684 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,775 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,178 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,551 |
| Canada Decoder | 0 | - | 4.12 | 18,707 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,329 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,303 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,510 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,776 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,620 |
| Empires by Maps | 0 | - | 4.98 | 120,091 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,101 |
| Australian Capitals | 0 | - | 4.92 | 62,704 |
| Famous Australians by Picture | 0 | - | 4.25 | 28,755 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,678 |
| Famous Caribbean People | 0 | - | 4.37 | 12,609 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,016 |
| North America Cities by Map | 0 | - | 4.41 | 47,771 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,564 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,328 |
| California Multiple Choice | 0 | - | 4.40 | 28,090 |
| San Francisco Trivia | 0 | - | 4.32 | 15,694 |
| San Francisco A-Z | 0 | - | 4.18 | 9,562 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,181 |
| Boston City Trivia | 0 | - | 4.38 | 24,162 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,644 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,028 |
| Official European Union Languages | 0 | - | 4.97 | 238,215 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,671 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,135 |
| Cross Flags of Europe | 0 | - | 4.43 | 298,486 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,354 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,160 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,213 |
| Countries by Road Signs | 0 | - | 4.98 | 53,676 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,348 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,378 |
| Women in History by Picture | 0 | - | 4.25 | 25,898 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,113 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,980 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,191 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,470 |
| All Country Flags of the World | 0 | - | 5.00 | 3,651,697 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,306 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,976 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,771 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,762 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,054 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,229 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,573 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,329 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,443 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,538 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,594 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,330 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,835 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,565 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,541 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,663 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,825 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,928 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,044 |
| Asia Map Quiz | 0 | - | 4.99 | 915,039 |
| Flags of the Middle East | 0 | - | 4.69 | 62,572 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 129,432 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.30 | 46,490 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.38 | 48,618 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,100 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,866 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,741 |
| Countries of Africa | 0 | - | 5.00 | 2,531,553 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,667 |
| African East Coast | 0 | - | 4.96 | 95,878 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,685 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,512 |
| Australia Map Quiz | 0 | - | 4.95 | 343,926 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,255 |
| Word Chain - South America | 0 | - | 4.51 | 23,880 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,312 |
| American Inventions #1 | 0 | - | 3.63 | 31,498 |
| American Inventions #2 | 0 | - | 3.93 | 15,858 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,723 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,538 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,322 |
| University of California Campuses | 0 | - | 3.84 | 8,905 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,407 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,860 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,596 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,901 |
