| United States Map Quiz | 0 | - | 4.98 | 4,142,460 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,240 |
| North America Map Quiz | 0 | - | 4.98 | 244,605 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,384 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,079 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,187 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,645 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,903 |
| History of Mexico | 0 | - | 4.58 | 15,235 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,020 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,923 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,036 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,983 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,385 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,900 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,101 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,520 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,193 |
| Central American Countries | 0 | - | 4.98 | 155,098 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,005 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,928 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,910 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,096 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,520 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,082 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,675 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,860 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,847 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,851 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,376 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,877 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,165 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,195 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,278 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,498 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,588 |
| Territories of the United States | 0 | - | 4.79 | 52,158 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,394 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,597 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,761 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,463 |
| New York City Geography | 0 | - | 4.42 | 32,948 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,247 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,755 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,362 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,343 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,985 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,269 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,941 |
| States of Mexico | 0 | - | 4.95 | 173,430 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,013 |
| States of Brazil | 0 | - | 4.98 | 86,434 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,592 |
| Famous Caribbean People | 0 | - | 4.37 | 12,566 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,933 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,024 |
| Word Chain - South America | 0 | - | 4.51 | 23,768 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,111 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,095 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,632 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,525 |
| 75 Americans Named John | 0 | - | 4.41 | 23,829 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,802 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,331 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,799 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,419 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,899 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,219 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,429 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,996 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,376 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,164 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,894 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,596 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,920 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,197 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,489 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,997 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,967 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,022 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,089 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,607 |
| Famous People from South America | 0 | - | 4.15 | 21,790 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,038 |
| Which Island in the United States? | 0 | - | 4.29 | 29,175 |
| American Foods | 0 | - | 3.66 | 39,281 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,110 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 31,822 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,668 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,197 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,807 |
| U.S. Analogies | 0 | - | 4.27 | 19,608 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,168 |
| Old West History | 0 | - | 4.33 | 15,226 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,494 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,854 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,648 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,585 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,372 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,172 |
| US States with the Most Executions | 0 | - | 4.51 | 26,349 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,927 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,630 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,069 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,032 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,592 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,667 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,130 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 27,522 |
| Canada Decoder | 0 | - | 4.12 | 18,653 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,661 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,159 |
| Australian Capitals | 0 | - | 4.92 | 62,595 |
| North America Cities by Map | 0 | - | 4.41 | 47,624 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,462 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,226 |
| California Multiple Choice | 0 | - | 4.40 | 28,043 |
| San Francisco Trivia | 0 | - | 4.32 | 15,662 |
| San Francisco A-Z | 0 | - | 4.18 | 9,524 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,165 |
| Boston City Trivia | 0 | - | 4.38 | 24,132 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,582 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,603 |
| Official European Union Languages | 0 | - | 4.97 | 236,918 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,727 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,668 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,874 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,581 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,682 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 24,990 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,157 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,493 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,239 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,383 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,329 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,557 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,283 |
| 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 | 9,537 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,485 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,360 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,159 |
| Asia Map Quiz | 0 | - | 4.99 | 907,422 |
| Countries of Africa | 0 | - | 5.00 | 2,509,091 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,852 |
| African East Coast | 0 | - | 4.96 | 95,083 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,975 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,825 |
| Australia Map Quiz | 0 | - | 4.94 | 342,571 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,198 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,827 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,621 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,202 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,475 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,272 |
| American Inventions #1 | 0 | - | 3.63 | 31,464 |
| American Inventions #2 | 0 | - | 3.93 | 15,829 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,557 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,463 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,200 |
| University of California Campuses | 0 | - | 3.84 | 8,864 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,362 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,227 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,231 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,466 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,092 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,405 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,556 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,650 |
| The Only European Country ... | 0 | - | 4.91 | 213,965 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,626 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,577 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,522 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,360 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,447 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,711 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,677 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,609 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,319 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,522 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,185 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,516 |
| African Island Countries | 0 | - | 4.96 | 100,829 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,730 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,728 |
| Australian States and Territories | 0 | - | 4.96 | 140,937 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,028 |
| Australia True or False | 0 | - | 4.87 | 56,520 |
| Flags of North and South America | 0 | - | 4.99 | 367,614 |
| South American Physical Geography | 0 | - | 4.58 | 18,272 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,602 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,512 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,499 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,248 |
| Sahel Countries on a Map | 0 | - | 4.99 | 20,991 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,476 |
| Celtic Nations | 0 | - | 4.69 | 46,819 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,250 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,739 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,333 |
