| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,775 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,255 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,793 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,652 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,726 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,211 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,121 |
| North America Map Quiz | 0 | - | 4.98 | 248,972 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,682 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,091 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,766 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,309 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,490 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,551 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,621 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,554 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,237 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,003 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,015 |
| Central American Countries | 0 | - | 4.98 | 156,630 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,752 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,889 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,252 |
| Official European Union Languages | 0 | - | 4.97 | 238,734 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,013 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,640 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,193 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,885 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,348 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,625 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,373 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,671 |
| History of Mexico | 0 | - | 4.58 | 15,323 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,661 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,706 |
| Famous Caribbean People | 0 | - | 4.37 | 12,626 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,060 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,161 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,566 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,256 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,679 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,318 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,974 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,872 |
| Territories of the United States | 0 | - | 4.80 | 52,439 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,716 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,582 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,249 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,074 |
| New York City Geography | 0 | - | 4.42 | 33,115 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,665 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 112,089 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,561 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,563 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,268 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,784 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,619 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,574 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,528 |
| States of Mexico | 0 | - | 4.96 | 176,475 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,057 |
| Word Chain - South America | 0 | - | 4.51 | 23,920 |
| States of Brazil | 0 | - | 4.97 | 88,368 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,485 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,337 |
| 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 | 41,053 |
| New York True or False? | 0 | - | 4.53 | 33,844 |
| The Most Recent... United States | 0 | - | 4.45 | 18,475 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,713 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,083 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,734 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,255 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,405 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,726 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,002 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,938 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,446 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,667 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,032 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,952 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,460 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,348 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,280 |
| 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 | 36,183 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,236 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,120 |
| Slavic Languages | 0 | - | 4.68 | 54,422 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,447 |
| Famous People from South America | 0 | - | 4.15 | 22,001 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,140 |
| Which Island in the United States? | 0 | - | 4.29 | 29,568 |
| 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 | 21,598 |
| 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 | 15,282 |
| 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 | 29,717 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,606 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,427 |
| US States with the Most Executions | 0 | - | 4.51 | 26,402 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,089 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,057 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,166 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,736 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,818 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,204 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,681 |
| Canada Decoder | 0 | - | 4.12 | 18,730 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,367 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,229 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,147 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,439 |
| 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 | 29,374 |
| 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 | 10,184 |
| Boston City Trivia | 0 | - | 4.38 | 24,176 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,676 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,537 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,344 |
| Top World Languages | 0 | - | 4.92 | 823,459 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,169 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,168 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,274 |
| Australian Capitals | 0 | - | 4.92 | 62,737 |
| 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 | 22,253 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,601 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,367 |
| 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 | 30,532 |
| 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 | 12,353 |
| 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 | 428,655 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,928 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,078 |
| Asia Map Quiz | 0 | - | 4.99 | 918,247 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,155 |
| Countries by Official Language | 0 | - | 4.95 | 195,130 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,151 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,206 |
| Countries in their Native Language | 0 | - | 4.99 | 198,927 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,976 |
| Countries of Africa | 0 | - | 5.00 | 2,541,514 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,992 |
| African East Coast | 0 | - | 4.96 | 96,168 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,042 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,822 |
| Australia Map Quiz | 0 | - | 4.95 | 344,898 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,276 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,215 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,779 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,376 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,591 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,333 |
| 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 | 33,573 |
| 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 | 212,577 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,707 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,025 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,335 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,801 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,047 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,492 |
| The Only European Country ... | 0 | - | 4.91 | 217,091 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,399 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,875 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,122 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,047 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,267 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,444 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,736 |
