| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,994 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,447 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,988 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,036 |
| North America Map Quiz | 0 | - | 4.98 | 252,245 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,775 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,110 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,712 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,693 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,851 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,226 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,143 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,908 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,854 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,975 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,055 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,285 |
| Central American Countries | 0 | - | 4.98 | 157,384 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,623 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,746 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,889 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,764 |
| Official European Union Languages | 0 | - | 4.97 | 239,867 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,694 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,102 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,082 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,257 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,707 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,840 |
| 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 | 68,010 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,437 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,332 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,113 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,018 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,888 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,703 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,023 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 113,341 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,119 |
| Official and Regional Languages of Asia on a Map | 0 | - | 5.00 | 69,474 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,759 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,313 |
| Territories of the United States | 0 | - | 4.80 | 52,635 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,899 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,140 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,539 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,411 |
| New York City Geography | 0 | - | 4.43 | 33,191 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,335 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,736 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,257 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,913 |
| Canada Decoder | 0 | - | 4.07 | 18,776 |
| Which Canadian Province? | 0 | - | 4.75 | 9,785 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,829 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,530 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,393 |
| History of Mexico | 0 | - | 4.52 | 15,367 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,632 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,459 |
| 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 | 23,977 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,190 |
| New York True or False? | 0 | - | 4.53 | 33,967 |
| The Most Recent... United States | 0 | - | 4.46 | 18,581 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,944 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,233 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,834 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,478 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,525 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,876 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,386 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,288 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,592 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,093 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,300 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,762 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,624 |
| Slavic Languages | 0 | - | 4.67 | 54,713 |
| 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 | 45,272 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,277 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,428 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,292 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,682 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,203 |
| Which Island in the United States? | 0 | - | 4.29 | 29,793 |
| American Foods | 0 | - | 3.66 | 39,445 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,155 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,337 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,824 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,454 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,984 |
| U.S. Analogies | 0 | - | 4.27 | 19,723 |
| U.S. Groups of Five | 0 | - | 4.21 | 21,722 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,520 |
| Florida True or False? | 0 | - | 4.48 | 28,782 |
| Old West History | 0 | - | 4.34 | 15,306 |
| 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 | 24,787 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,801 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,727 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,547 |
| US States with the Most Executions | 0 | - | 4.51 | 26,426 |
| 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 | 47,102 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,253 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,825 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,923 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,703 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,464 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,881 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,907 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,785 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,463 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,781 |
| Top World Languages | 0 | - | 4.92 | 830,248 |
| Australian Capitals | 0 | - | 4.92 | 62,838 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,795 |
| Famous Caribbean People | 0 | - | 4.37 | 12,665 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,154 |
| North America Cities by Map | 0 | - | 4.41 | 47,953 |
| 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 | 28,187 |
| 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 | 41,739 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,479 |
| Countries by Official Language | 0 | - | 4.95 | 196,069 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,432 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,725 |
| Countries in their Native Language | 0 | - | 4.99 | 199,801 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,997 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,249 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,674 |
| 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 |
| U.S. History True or False #1 | 0 | - | 4.36 | 31,348 |
| 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 | 31,210 |
| 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 | 12,394 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,885 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,599 |
| Canada A-Z | 0 | - | 4.73 | 32,977 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,600 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,038 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,067 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,739 |
| Asia Map Quiz | 0 | - | 4.99 | 925,566 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,422 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,242 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,494 |
| Australia Map Quiz | 0 | - | 4.95 | 346,251 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,323 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,460 |
| 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 | 48,949 |
| 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 | 8,961 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,050 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,946 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,256 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,916 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,325 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,334 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,235 |
| The Only European Country ... | 0 | - | 4.91 | 219,182 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,608 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,065 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,001 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,479 |
| Countries of Africa | 0 | - | 5.00 | 2,561,316 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,041 |
| African East Coast | 0 | - | 4.96 | 96,813 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,667 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,935 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,987 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,703 |
| German-Speaking Countries | 0 | - | 4.92 | 146,044 |
| Italian Name Translation | 0 | - | 4.83 | 48,017 |
| French-Speaking Countries | 0 | - | 4.85 | 271,732 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,922 |
| Australian States and Territories | 0 | - | 4.96 | 142,898 |
