| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,295 |
| Most Spoken Languages in Canada | 0 | - | 4.88 | 48,149 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 860,028 |
| Central American Countries | 0 | - | 4.98 | 141,593 |
| United States Map Quiz | 0 | - | 4.98 | 3,936,861 |
| Countries of North America Quiz | 0 | - | 5.00 | 899,183 |
| North America Map Quiz | 0 | - | 4.98 | 204,707 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 591,667 |
| Canada Geography Trivia | 0 | - | 4.81 | 45,329 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 48,479 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 86,997 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,715 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 165,848 |
| U.S. State Border Crossings | 0 | - | 4.96 | 83,075 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,469 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,598 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 62,539 |
| Canada Provinces and Territories | 0 | - | 4.99 | 294,493 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 96,075 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,784 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 118,391 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,613 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,857 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 147,011 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,915 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,940 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,456 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 62,043 |
| Official European Union Languages | 0 | - | 4.98 | 204,278 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,241 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 91,500 |
| American Countries on the Pacific Coast | 0 | - | 4.78 | 46,842 |
| History of Mexico | 0 | - | 4.57 | 14,105 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,651 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,201 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,512 |
| Top African Languages on a Map | 0 | - | 4.93 | 56,328 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,960 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,376 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,253 |
| South America Map Quiz | 0 | - | 5.00 | 1,438,506 |
| Territories of the United States | 0 | - | 4.77 | 49,062 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 34,752 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 162,299 |
| Top U.S. Cash Crops | 0 | - | 4.41 | 59,504 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 34,020 |
| Name a Valid Answer - United States #1 | 0 | - | 4.65 | 87,495 |
| Canada Immigration by Country | 0 | - | 4.51 | 58,057 |
| Islands of the Galápagos | 0 | - | 4.53 | 4,479 |
| Uruguay Country Quiz | 0 | - | 4.82 | 29,068 |
| North America Capitals Quiz | 0 | - | 4.99 | 190,950 |
| Most Common High School Mascots | 0 | - | 4.42 | 28,629 |
| Native American Tribes in the US | 0 | - | 4.66 | 23,314 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 74,108 |
| States of Mexico | 0 | - | 4.94 | 145,632 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 42,387 |
| Word Chain - South America | 0 | - | 4.49 | 22,356 |
| States of Brazil | 0 | - | 4.97 | 71,422 |
| Largest Caribbean Islands | 0 | - | 4.03 | 15,553 |
| Famous Caribbean People | 0 | - | 4.36 | 12,177 |
| Saintly Islands of the Caribbean | 0 | - | 4.30 | 22,497 |
| U.S. Federal Holidays | 0 | - | 4.29 | 96,431 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,906 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.17 | 50,516 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.09 | 38,064 |
| New York City Geography | 0 | - | 4.42 | 23,540 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 94,487 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,776 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,859 |
| Top 10 Newest U.S. States | 0 | - | 4.80 | 68,710 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 62,299 |
| Top 10 Most Obese U.S. States | 0 | - | 4.53 | 78,808 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 65,318 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,980 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,568 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,658 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,850 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.66 | 42,594 |
| Ten Most Rectangular U.S. States | 0 | - | 4.51 | 57,237 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,477 |
| Peru True or False? | 0 | - | 4.56 | 14,382 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,695 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.76 | 42,885 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,281 |
| Bahamas Country Quiz | 0 | - | 4.61 | 17,821 |
| Slavic Languages | 0 | - | 4.65 | 49,513 |
| Name a Valid Answer - United States #2 | 0 | - | 4.13 | 24,699 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.41 | 30,821 |
| Famous People from South America | 0 | - | 4.13 | 19,684 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,186 |
| American Islands | 0 | - | 4.17 | 15,829 |
| American Foods | 0 | - | 3.73 | 38,319 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,741 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,801 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,610 |
| U.S. Groups of Three Quiz | 0 | - | 4.05 | 19,724 |
| 75 Americans Named John | 0 | - | 4.39 | 22,918 |
| U.S. Analogies | 0 | - | 4.22 | 18,956 |
| Branches of the U.S. Military | 0 | - | 4.40 | 21,591 |
| Old West History | 0 | - | 4.29 | 14,839 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,259 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,988 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 28,007 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 30,354 |
| U.S. States with Oldest Median Age | 0 | - | 4.35 | 32,024 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 41,535 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 63,700 |
| US States with the Most Executions | 0 | - | 4.51 | 25,765 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 27,298 |
| Top 10 Least White U.S. States | 0 | - | 4.19 | 36,932 |
| Top 10 Least Happy U.S. States | 0 | - | 4.55 | 22,578 |
| U.S. Geography True or False #1 | 0 | - | 4.52 | 27,050 |
| U.S. Geography - Multiple Choice | 0 | - | 4.43 | 22,979 |
| 20 Most-Visited Places in Canada | 0 | - | 4.20 | 12,302 |
| Canada Decoder | 0 | - | 4.10 | 17,943 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 492,544 |
| Top European Languages on a Map | 0 | - | 4.78 | 120,291 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,925 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,639 |
| Pixelated Americas Map | 0 | - | 4.42 | 42,850 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.33 | 27,309 |
| California Multiple Choice | 0 | - | 4.40 | 27,087 |
| San Francisco Trivia | 0 | - | 4.34 | 15,269 |
| San Francisco A-Z | 0 | - | 4.20 | 9,100 |
| Florida Multiple Choice | 0 | - | 4.30 | 9,792 |
| Boston Trivia | 0 | - | 4.37 | 23,528 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 40,452 |
| Europe Map Quiz | 0 | - | 5.00 | 4,358,503 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 174,364 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,543 |
| Top World Languages | 0 | - | 4.92 | 724,957 |
| U.S. History Multiple Choice #5 | 0 | - | 4.36 | 10,625 |
| Languages of the United Kingdom | 0 | - | 4.12 | 38,701 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,357,157 |
| Asia Map Quiz | 0 | - | 4.99 | 802,372 |
| Africa Map Quiz | 0 | - | 5.00 | 1,964,003 |
| Official Languages of South Africa | 0 | - | 4.56 | 25,098 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,909 |
| Australian Capitals | 0 | - | 4.92 | 61,143 |
| Three Real and One Fake - U.S. History | 0 | - | 4.31 | 24,492 |
| U.S. History Multiple Choice #2 | 0 | - | 4.36 | 24,139 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 21,381 |
| U.S. History Multiple Choice #3 | 0 | - | 4.40 | 23,620 |
| U.S. History Multiple Choice #4 | 0 | - | 4.25 | 24,352 |
| Top 10 Most Religious U.S. States | 0 | - | 4.34 | 17,852 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.33 | 24,422 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.23 | 21,705 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,128 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.24 | 11,592 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.26 | 11,195 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.15 | 9,023 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 393,250 |
| Countries by Official Language | 0 | - | 4.96 | 175,467 |
| Places in their Native Language #1 | 0 | - | 4.87 | 213,902 |
| Places in their Native Language #2 | 0 | - | 4.89 | 114,686 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,904 |
| Countries in their Native Language | 0 | - | 4.98 | 180,823 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,133 |
| Top 10 Oldest African Countries | 0 | - | 4.84 | 23,623 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,431 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 82,049 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,294,799 |
| Japanese Language - Katakana Practice | 0 | - | 4.58 | 27,231 |
| Countries of Africa | 0 | - | 5.00 | 2,220,673 |
| African East Coast | 0 | - | 4.97 | 85,978 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,408 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,778 |
| Australia Map Quiz | 0 | - | 4.94 | 323,412 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,510 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 52,989 |
| South American Geography Quiz #2 | 0 | - | 4.66 | 37,397 |
| South American Physical Geography | 0 | - | 4.56 | 17,438 |
| Paraguay... or Uruguay? | 0 | - | 4.53 | 25,591 |
| North America Cities by Map | 0 | - | 4.40 | 45,686 |
| USA Tourist Attractions by Description #2 | 0 | - | 3.96 | 20,780 |
| American Inventions #1 | 0 | - | 3.64 | 31,070 |
| American Inventions #2 | 0 | - | 3.87 | 15,444 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 35,036 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.37 | 40,391 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.28 | 32,170 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.85 | 18,757 |
| Shrinking U.S. States | 0 | - | 4.40 | 38,335 |
| University of California Campuses | 0 | - | 3.88 | 8,188 |
| Famous Canadians Quiz | 0 | - | 3.92 | 22,908 |
| Canadian Musical Acts | 0 | - | 3.95 | 18,043 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,154 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,410 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,506 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 340,044 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,417 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 95,678 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,359 |
| The Only European Country ... | 0 | - | 4.93 | 183,608 |
| Capitals in their Native Languages | 0 | - | 4.94 | 128,205 |
| Top World Languages A-Z | 0 | - | 4.84 | 32,279 |
| Every Country in its Official/Native Language | 0 | - | 4.97 | 18,244 |
| German-Speaking Countries | 0 | - | 4.88 | 118,370 |
| French-Speaking Countries | 0 | - | 4.81 | 224,489 |
| European Countries Ending in "IA" | 0 | - | 4.95 | 57,537 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,307 |
