| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,036 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,652 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,688 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,002 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,313 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,096 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,000 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,272 |
| North America Map Quiz | 0 | - | 4.98 | 252,699 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,427 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,942 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,295 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,283 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,066 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,953 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,957 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,045 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,180 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,323 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,600 |
| Central American Countries | 0 | - | 4.98 | 157,517 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,871 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,846 |
| Official European Union Languages | 0 | - | 4.97 | 240,339 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,795 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,160 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,162 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,312 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,766 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,872 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,714 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,060 |
| History of Mexico | 0 | - | 4.52 | 15,374 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,176 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,804 |
| Famous Caribbean People | 0 | - | 4.37 | 12,668 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,174 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,359 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,712 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,073 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,964 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,845 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,234 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,782 |
| Territories of the United States | 0 | - | 4.80 | 52,664 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,923 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,227 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,589 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,473 |
| New York City Geography | 0 | - | 4.43 | 33,200 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,930 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 113,509 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,203 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,806 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,452 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,619 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,801 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,754 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,891 |
| States of Mexico | 0 | - | 4.96 | 178,688 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,007 |
| Word Chain - South America | 0 | - | 4.51 | 24,018 |
| States of Brazil | 0 | - | 4.98 | 90,022 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,646 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,478 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,779 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,742 |
| 75 Americans Named John | 0 | - | 4.41 | 23,987 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,214 |
| New York True or False? | 0 | - | 4.53 | 33,983 |
| The Most Recent... United States | 0 | - | 4.46 | 18,596 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,978 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,267 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,850 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,524 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,538 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,899 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,449 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,333 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,617 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,156 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,324 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,805 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,446 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,410 |
| Peru True or False? | 0 | - | 4.58 | 15,333 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,217 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,291 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,295 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,310 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,981 |
| Slavic Languages | 0 | - | 4.67 | 54,773 |
| Famous People from South America | 0 | - | 4.15 | 22,132 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,209 |
| Which Island in the United States? | 0 | - | 4.29 | 29,830 |
| American Foods | 0 | - | 3.66 | 39,452 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,158 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,351 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,837 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,466 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,997 |
| U.S. Analogies | 0 | - | 4.27 | 19,727 |
| U.S. Groups of Five | 0 | - | 4.21 | 21,741 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,543 |
| Florida True or False? | 0 | - | 4.48 | 28,797 |
| Old West History | 0 | - | 4.34 | 15,308 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,538 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,994 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,800 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,811 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,737 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,566 |
| US States with the Most Executions | 0 | - | 4.51 | 26,429 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,181 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,316 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 47,129 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,269 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,838 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,940 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,263 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,949 |
| Canada Decoder | 0 | - | 4.07 | 18,782 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,994 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,365 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,954 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,701 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,623 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,486 |
| North America Cities by Map | 0 | - | 4.41 | 47,973 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,720 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,476 |
| California Multiple Choice | 0 | - | 4.40 | 28,196 |
| San Francisco Trivia | 0 | - | 4.32 | 15,739 |
| San Francisco A-Z | 0 | - | 4.18 | 9,593 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,212 |
| Boston City Trivia | 0 | - | 4.38 | 24,213 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,744 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,643 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,026 |
| Top World Languages | 0 | - | 4.92 | 831,167 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,199 |
| Australian Capitals | 0 | - | 4.92 | 62,861 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,857 |
| U.S. History Multiple Choice #2 | 0 | - | 4.33 | 25,139 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,300 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,679 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,448 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,549 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,235 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,648 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,400 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,888 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,602 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,352 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,089 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,295 |
| Asia Map Quiz | 0 | - | 4.99 | 926,568 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,441 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,632 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,559 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,258 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,607 |
| Countries by Official Language | 0 | - | 4.95 | 196,206 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,597 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,926 |
| Countries in their Native Language | 0 | - | 4.99 | 199,948 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,127 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,585 |
| Australia Map Quiz | 0 | - | 4.95 | 346,456 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,326 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,492 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,876 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,930 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,369 |
| American Inventions #1 | 0 | - | 3.62 | 31,540 |
| American Inventions #2 | 0 | - | 3.93 | 15,902 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,971 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,663 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,436 |
| University of California Campuses | 0 | - | 3.84 | 8,968 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,431 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,296 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,979 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,169 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,547 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,373 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,449 |
| The Only European Country ... | 0 | - | 4.91 | 219,518 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,797 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,096 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,141 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,946 |
| Countries of Africa | 0 | - | 5.00 | 2,564,218 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,234 |
| African East Coast | 0 | - | 4.96 | 96,916 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,792 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,298 |
| Spanish to English Country Names | 0 | - | 4.86 | 34,010 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,978 |
| Top World Languages A-Z | 0 | - | 4.81 | 37,020 |
