| Canada Provinces and Territories | 0 | - | 5.00 | 338,703 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,732 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,435 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,015 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,726 |
| North America Map Quiz | 0 | - | 4.98 | 245,237 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,432 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,188 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,144 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,999 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,181 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,045 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,506 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,985 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,187 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,583 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,401 |
| Central American Countries | 0 | - | 4.98 | 155,229 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,271 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,293 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,985 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,216 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,170 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,597 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,136 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,743 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,935 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,214 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,940 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,271 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,879 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,227 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,289 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,434 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,386 |
| Territories of the United States | 0 | - | 4.79 | 52,194 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,424 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,725 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,831 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,537 |
| New York City Geography | 0 | - | 4.42 | 32,969 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,445 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,137 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,027 |
| Canada Decoder | 0 | - | 4.12 | 18,665 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,403 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,288 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,997 |
| History of Mexico | 0 | - | 4.58 | 15,244 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,294 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,136 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,126 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,659 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,544 |
| 75 Americans Named John | 0 | - | 4.41 | 23,836 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,842 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,366 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,827 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,454 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,933 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,232 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,459 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,389 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,439 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,193 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,973 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,661 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,998 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,063 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,609 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,020 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,987 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,042 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,111 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,813 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,762 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,053 |
| Which Island in the United States? | 0 | - | 4.29 | 29,223 |
| American Foods | 0 | - | 3.66 | 39,296 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,115 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,035 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,675 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,224 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,818 |
| U.S. Analogies | 0 | - | 4.27 | 19,620 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,198 |
| Old West History | 0 | - | 4.33 | 15,233 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,498 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,865 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,659 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,600 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,408 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,193 |
| US States with the Most Executions | 0 | - | 4.51 | 26,356 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,948 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,681 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,088 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,046 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,604 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,682 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,369 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 48,977 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,164 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,151 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,472 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,611 |
| Famous Caribbean People | 0 | - | 4.37 | 12,572 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,950 |
| North America Cities by Map | 0 | - | 4.41 | 47,650 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,485 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,245 |
| California Multiple Choice | 0 | - | 4.40 | 28,052 |
| San Francisco Trivia | 0 | - | 4.32 | 15,667 |
| San Francisco A-Z | 0 | - | 4.18 | 9,530 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,169 |
| Boston City Trivia | 0 | - | 4.38 | 24,137 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,591 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,034 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,576 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,474 |
| Australian Capitals | 0 | - | 4.92 | 62,612 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,757 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,701 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,000 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,176 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,505 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,257 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,387 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,348 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,562 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,288 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,797 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,538 |
| Canada A-Z | 0 | - | 4.73 | 32,680 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,499 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,710 |
| Official European Union Languages | 0 | - | 4.97 | 237,204 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,059 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,722 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,213 |
| Asia Map Quiz | 0 | - | 4.99 | 908,413 |
| Countries of Africa | 0 | - | 5.00 | 2,512,863 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,961 |
| African East Coast | 0 | - | 4.96 | 95,217 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,089 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,986 |
| Australia Map Quiz | 0 | - | 4.94 | 342,798 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,206 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,877 |
| Word Chain - South America | 0 | - | 4.51 | 23,781 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,279 |
| American Inventions #1 | 0 | - | 3.63 | 31,468 |
| American Inventions #2 | 0 | - | 3.93 | 15,835 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,587 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,475 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,230 |
| University of California Campuses | 0 | - | 3.84 | 8,873 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,520 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,354 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,519 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,382 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,687 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,605 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,865 |
| The Only European Country ... | 0 | - | 4.91 | 214,352 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,878 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,614 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,684 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,337 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,514 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,627 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,850 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,696 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,444 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,626 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,363 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,765 |
| African Island Countries | 0 | - | 4.96 | 100,925 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,951 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,820 |
| Australian States and Territories | 0 | - | 4.96 | 141,100 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,062 |
| Australia True or False | 0 | - | 4.87 | 56,570 |
| Flags of North and South America | 0 | - | 4.99 | 368,513 |
| Peru True or False? | 0 | - | 4.58 | 15,201 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,572 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,596 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,261 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,032 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,790 |
| Celtic Nations | 0 | - | 4.69 | 46,839 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,354 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,877 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,458 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,759 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,598 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,950 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,268 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,614 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,878 |
