| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,777 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,256 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,827 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,791 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,823 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,247 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,151 |
| North America Map Quiz | 0 | - | 4.98 | 248,989 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,694 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,102 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,767 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,315 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,506 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,555 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,633 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,555 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,251 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,006 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,016 |
| Central American Countries | 0 | - | 4.98 | 156,640 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,754 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,891 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,254 |
| Official European Union Languages | 0 | - | 4.97 | 238,745 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,019 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,643 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,201 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,892 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,353 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,625 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,376 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,673 |
| History of Mexico | 0 | - | 4.58 | 15,323 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,666 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,706 |
| Famous Caribbean People | 0 | - | 4.37 | 12,628 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,063 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,162 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,567 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,264 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,682 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,325 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,981 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,902 |
| Territories of the United States | 0 | - | 4.80 | 52,439 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,717 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,590 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,252 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,081 |
| New York City Geography | 0 | - | 4.42 | 33,116 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,667 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 112,093 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,568 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,565 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,299 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,784 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,620 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,576 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,531 |
| States of Mexico | 0 | - | 4.96 | 176,489 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,064 |
| Word Chain - South America | 0 | - | 4.51 | 23,921 |
| States of Brazil | 0 | - | 4.97 | 88,375 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,488 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,338 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,730 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,652 |
| 75 Americans Named John | 0 | - | 4.41 | 23,918 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,054 |
| New York True or False? | 0 | - | 4.53 | 33,845 |
| The Most Recent... United States | 0 | - | 4.45 | 18,475 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,716 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,084 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,735 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,258 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,406 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,727 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,005 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,941 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,446 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,671 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,034 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,952 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,465 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,348 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,281 |
| Peru True or False? | 0 | - | 4.58 | 15,266 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,123 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,164 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,184 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,236 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,138 |
| Slavic Languages | 0 | - | 4.68 | 54,424 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,452 |
| Famous People from South America | 0 | - | 4.15 | 22,003 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,141 |
| Which Island in the United States? | 0 | - | 4.29 | 29,571 |
| American Foods | 0 | - | 3.66 | 39,394 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,131 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,272 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,772 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,352 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,914 |
| U.S. Analogies | 0 | - | 4.27 | 19,681 |
| U.S. Groups of Five | 0 | - | 4.21 | 21,601 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,399 |
| Florida True or False? | 0 | - | 4.48 | 28,701 |
| Old West History | 0 | - | 4.34 | 15,283 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,525 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,947 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,742 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,721 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,606 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,428 |
| US States with the Most Executions | 0 | - | 4.51 | 26,403 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,090 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,057 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,168 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,737 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,819 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,204 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,683 |
| Canada Decoder | 0 | - | 4.12 | 18,730 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,368 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,236 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,179 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,442 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,570 |
| North America Cities by Map | 0 | - | 4.41 | 47,827 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,604 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,376 |
| California Multiple Choice | 0 | - | 4.40 | 28,114 |
| San Francisco Trivia | 0 | - | 4.32 | 15,709 |
| San Francisco A-Z | 0 | - | 4.18 | 9,579 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,185 |
| Boston City Trivia | 0 | - | 4.38 | 24,176 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,677 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,736 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,355 |
| Top World Languages | 0 | - | 4.92 | 823,515 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,297 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,169 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,296 |
| Australian Capitals | 0 | - | 4.92 | 62,738 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,786 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,082 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,254 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,601 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,369 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,481 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 30,569 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,607 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,354 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,853 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,576 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,566 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,669 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,929 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,099 |
| Asia Map Quiz | 0 | - | 4.99 | 918,338 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,157 |
| Countries by Official Language | 0 | - | 4.95 | 195,145 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,170 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,219 |
| Countries in their Native Language | 0 | - | 4.99 | 198,935 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,983 |
| Countries of Africa | 0 | - | 5.00 | 2,541,735 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,997 |
| African East Coast | 0 | - | 4.96 | 96,176 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,045 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,825 |
| Australia Map Quiz | 0 | - | 4.95 | 344,904 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,277 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,221 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,780 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,376 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,593 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,334 |
| American Inventions #1 | 0 | - | 3.63 | 31,508 |
| American Inventions #2 | 0 | - | 3.93 | 15,868 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,794 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,574 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,367 |
| University of California Campuses | 0 | - | 3.84 | 8,921 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,414 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,587 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,713 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,027 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,349 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,813 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,053 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,504 |
| The Only European Country ... | 0 | - | 4.91 | 217,110 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,406 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,876 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,126 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,086 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,278 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,449 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,736 |
