| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,034 |
| Central American Countries | 0 | - | 4.98 | 157,335 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,305 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,497 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,221 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,596 |
| North America Map Quiz | 0 | - | 4.98 | 252,062 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,980 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,562 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,827 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,190 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,017 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,891 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,822 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,945 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,005 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,263 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,495 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,598 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,600 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,079 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,053 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,227 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,676 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,820 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,650 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,988 |
| History of Mexico | 0 | - | 4.52 | 15,365 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,081 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,850 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,554 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,326 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,684 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,957 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,793 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,666 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,703 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,755 |
| Territories of the United States | 0 | - | 4.80 | 52,628 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,889 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,102 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,526 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,394 |
| New York City Geography | 0 | - | 4.43 | 33,187 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,876 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,223 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,796 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,730 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,812 |
| States of Mexico | 0 | - | 4.96 | 178,253 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,816 |
| Word Chain - South America | 0 | - | 4.51 | 24,006 |
| States of Brazil | 0 | - | 4.97 | 89,709 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,787 |
| Famous Caribbean People | 0 | - | 4.37 | 12,662 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,149 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,627 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,449 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,774 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,728 |
| 75 Americans Named John | 0 | - | 4.41 | 23,974 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,181 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,935 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,223 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,827 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,465 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,515 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,865 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,367 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,268 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,586 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,068 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,274 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,094 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,746 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,431 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,383 |
| Peru True or False? | 0 | - | 4.58 | 15,317 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,196 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,265 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,270 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,285 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,503 |
| Famous People from South America | 0 | - | 4.15 | 22,102 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,195 |
| Which Island in the United States? | 0 | - | 4.29 | 29,779 |
| American Foods | 0 | - | 3.66 | 39,440 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,154 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,330 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,821 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,446 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,983 |
| U.S. Analogies | 0 | - | 4.27 | 19,721 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,509 |
| Old West History | 0 | - | 4.34 | 15,300 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,536 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,984 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,781 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,791 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,717 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,535 |
| US States with the Most Executions | 0 | - | 4.51 | 26,424 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,163 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,265 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,247 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,821 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,913 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,252 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,898 |
| Canada Decoder | 0 | - | 4.07 | 18,767 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,462 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,741 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,679 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,370 |
| North America Cities by Map | 0 | - | 4.41 | 47,941 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,698 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,450 |
| California Multiple Choice | 0 | - | 4.40 | 28,180 |
| San Francisco Trivia | 0 | - | 4.32 | 15,731 |
| San Francisco A-Z | 0 | - | 4.18 | 9,588 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,205 |
| Boston City Trivia | 0 | - | 4.38 | 24,202 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,736 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,178 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,373 |
| Australian Capitals | 0 | - | 4.92 | 62,830 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,845 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,120 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,288 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,665 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,433 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,529 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,198 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,636 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,391 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,881 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,594 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,597 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,728 |
| Official European Union Languages | 0 | - | 4.97 | 239,794 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,648 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,871 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,503 |
| Asia Map Quiz | 0 | - | 4.99 | 925,189 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,696 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,463 |
| Australia Map Quiz | 0 | - | 4.95 | 346,165 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,319 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,445 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,860 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,087 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,900 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,364 |
| American Inventions #1 | 0 | - | 3.62 | 31,536 |
| American Inventions #2 | 0 | - | 3.93 | 15,893 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,938 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,640 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,419 |
| University of California Campuses | 0 | - | 3.84 | 8,957 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,426 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,938 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,916 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,237 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,794 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,236 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,314 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,105 |
| The Only European Country ... | 0 | - | 4.91 | 219,005 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,509 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,055 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,946 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,294 |
| Countries of Africa | 0 | - | 5.00 | 2,559,774 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,863 |
| African East Coast | 0 | - | 4.96 | 96,769 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,629 |
| Australian States and Territories | 0 | - | 4.96 | 142,861 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,502 |
| Australia True or False | 0 | - | 4.87 | 57,148 |
| Flags of North and South America | 0 | - | 4.99 | 376,988 |
| South American Physical Geography | 0 | - | 4.58 | 18,404 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,782 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,174 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 69,039 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,505 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,493 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,048 |
| Celtic Nations | 0 | - | 4.61 | 47,094 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,639 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,509 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,056 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,787 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,775 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,024 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,753 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,753 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,428 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,181 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,791 |
| Slavic Countries | 0 | - | 4.96 | 112,367 |
