| Canada Provinces and Territories | 0 | - | 5.00 | 338,566 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,717 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,478 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,953 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,532 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,580 |
| North America Map Quiz | 0 | - | 4.98 | 244,988 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,422 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,088 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,113 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,976 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,150 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,029 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,963 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,164 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,563 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,394 |
| Central American Countries | 0 | - | 4.98 | 155,199 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,205 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,814 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,277 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,965 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,128 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,160 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,577 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,119 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,728 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,914 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,128 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,209 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,929 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,174 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,872 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,216 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,271 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,387 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,186 |
| Territories of the United States | 0 | - | 4.79 | 52,185 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,419 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,690 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,517 |
| New York City Geography | 0 | - | 4.42 | 32,967 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,937 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,340 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,111 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,186 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,369 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,135 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 27,951 |
| Canada Decoder | 0 | - | 4.12 | 18,662 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,463 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,419 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,949 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,084 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,388 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,285 |
| Canada A-Z | 0 | - | 4.73 | 32,675 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,980 |
| History of Mexico | 0 | - | 4.58 | 15,240 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,267 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,120 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,653 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,539 |
| 75 Americans Named John | 0 | - | 4.41 | 23,833 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,827 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,358 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,825 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,443 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,923 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,229 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,450 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,362 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,428 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,181 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,955 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,642 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,983 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,054 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,605 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,016 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,980 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,036 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,107 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,475 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,729 |
| Africa A-Z | 0 | - | 4.57 | 46,408 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,727 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,048 |
| Which Island in the United States? | 0 | - | 4.29 | 29,215 |
| American Foods | 0 | - | 3.66 | 39,293 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 31,996 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,674 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,216 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,815 |
| Old West History | 0 | - | 4.33 | 15,232 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,496 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,861 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,657 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,595 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,398 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,190 |
| US States with the Most Executions | 0 | - | 4.51 | 26,355 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,945 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,672 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,081 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,044 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,601 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,680 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 48,959 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,026 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,661 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,319 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,606 |
| Famous Caribbean People | 0 | - | 4.37 | 12,571 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,947 |
| North America Cities by Map | 0 | - | 4.41 | 47,647 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,483 |
| California Multiple Choice | 0 | - | 4.40 | 28,048 |
| San Francisco Trivia | 0 | - | 4.32 | 15,667 |
| San Francisco A-Z | 0 | - | 4.18 | 9,527 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,168 |
| Boston City Trivia | 0 | - | 4.38 | 24,135 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,591 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,501 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,983 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,945 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,795 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,300 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,053 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,868 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,693 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,071 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,399 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,874 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,657 |
| Famous Germans | 0 | - | 4.50 | 54,692 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,651 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,881 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,438 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,203 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,610 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,115 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,760 |
| Middle East A-Z | 0 | - | 4.47 | 45,836 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,306,632 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,144 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,284 |
| Australian Capitals | 0 | - | 4.92 | 62,608 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,757 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,699 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 24,998 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,174 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,500 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,253 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,386 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,345 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,560 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,287 |
| 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 | 11,497 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,685 |
| Official European Union Languages | 0 | - | 4.97 | 237,161 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,027 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,627 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,301 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,975 |
| Asia Map Quiz | 0 | - | 4.99 | 908,162 |
| A Quiz About Islam | 0 | - | 4.31 | 48,242 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,505 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,981 |
| Countries of Africa | 0 | - | 5.00 | 2,512,045 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,938 |
| African East Coast | 0 | - | 4.96 | 95,184 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,053 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,944 |
| Australia Map Quiz | 0 | - | 4.94 | 342,748 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,204 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,865 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,832 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,341 |
| Word Chain - South America | 0 | - | 4.51 | 23,775 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,277 |
| 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 | 48,579 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,715 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,470 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,221 |
| University of California Campuses | 0 | - | 3.84 | 8,870 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,439 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,336 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,511 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,309 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,629 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,291 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,729 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,963 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,350 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,555 |
