| Canada Provinces and Territories | 0 | - | 5.00 | 346,426 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,589 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,850 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,938 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,989 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,757 |
| North America Map Quiz | 0 | - | 4.98 | 252,226 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,992 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,099 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,849 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,221 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,130 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,906 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,973 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,052 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,284 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,692 |
| Central American Countries | 0 | - | 4.98 | 157,383 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,621 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,739 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,537 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,887 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,101 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,079 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,255 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,705 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,837 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,668 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,007 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,631 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,437 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,110 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,699 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,331 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,016 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,878 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,695 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,994 |
| Territories of the United States | 0 | - | 4.80 | 52,635 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,896 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,136 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,409 |
| New York City Geography | 0 | - | 4.43 | 33,190 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,046 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,293 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,155 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,519 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,428 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,256 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,913 |
| Canada Decoder | 0 | - | 4.07 | 18,776 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,014 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,926 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,014 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,063 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,736 |
| Canada A-Z | 0 | - | 4.73 | 32,977 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,827 |
| History of Mexico | 0 | - | 4.52 | 15,367 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,522 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,458 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,775 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,732 |
| 75 Americans Named John | 0 | - | 4.41 | 23,976 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,188 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,942 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,232 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,834 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,477 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,525 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,874 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,385 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,286 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,588 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,090 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,300 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,758 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,390 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,855 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,203 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,271 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,277 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,290 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,752 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,619 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,203 |
| Which Island in the United States? | 0 | - | 4.29 | 29,791 |
| American Foods | 0 | - | 3.66 | 39,444 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,337 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,823 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,453 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,984 |
| Old West History | 0 | - | 4.34 | 15,303 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,536 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,988 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,786 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,801 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,725 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,545 |
| US States with the Most Executions | 0 | - | 4.51 | 26,424 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,170 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,278 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 47,100 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,253 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,824 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,920 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,703 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,894 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,015 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,779 |
| Africa A-Z | 0 | - | 4.57 | 46,779 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,457 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,793 |
| Famous Caribbean People | 0 | - | 4.37 | 12,663 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,154 |
| North America Cities by Map | 0 | - | 4.41 | 47,951 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,708 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,456 |
| California Multiple Choice | 0 | - | 4.40 | 28,186 |
| San Francisco Trivia | 0 | - | 4.32 | 15,733 |
| San Francisco A-Z | 0 | - | 4.18 | 9,591 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,206 |
| Boston City Trivia | 0 | - | 4.38 | 24,206 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,738 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,261 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,660 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,114 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,157 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,186 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,658 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,215 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,825 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,115 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,700 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,385 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,512 |
| Famous Germans | 0 | - | 4.50 | 55,805 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,416 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,483 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,094 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,681 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,230 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,678 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,332 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,331 |
| Middle East A-Z | 0 | - | 4.47 | 46,248 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,326,183 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,641 |
| Australian Capitals | 0 | - | 4.92 | 62,837 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,799 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,849 |
| U.S. History Multiple Choice #2 | 0 | - | 4.33 | 25,127 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,291 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,668 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,440 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,536 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,208 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,638 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,393 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,884 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,598 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,600 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,761 |
| Official European Union Languages | 0 | - | 4.97 | 239,858 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,689 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,024 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,387 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,717 |
| Asia Map Quiz | 0 | - | 4.99 | 925,520 |
| A Quiz About Islam | 0 | - | 4.32 | 48,627 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,193 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,188 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,587 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,487 |
| Australia Map Quiz | 0 | - | 4.95 | 346,245 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,323 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,456 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,062 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 57,912 |
| Word Chain - South America | 0 | - | 4.51 | 24,007 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,366 |
| American Inventions #1 | 0 | - | 3.62 | 31,538 |
| American Inventions #2 | 0 | - | 3.93 | 15,897 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,947 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,917 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,646 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,423 |
| University of California Campuses | 0 | - | 3.84 | 8,960 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,037 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,944 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,253 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,902 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,312 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,324 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,587 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,290 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,057 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,648 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,294 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,673 |
