| Caribbean Countries and Territories | 0 | - | 4.81 | 113,640 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,834 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,362 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,860 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,378 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,589 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,913 |
| North America Map Quiz | 0 | - | 4.98 | 252,343 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,006 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,608 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,206 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,872 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,257 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,188 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,923 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,884 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,999 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,092 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,294 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,543 |
| Central American Countries | 0 | - | 4.98 | 157,421 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,122 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,103 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,273 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,725 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,853 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,682 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,019 |
| History of Mexico | 0 | - | 4.52 | 15,369 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,134 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,796 |
| Famous Caribbean People | 0 | - | 4.37 | 12,665 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,160 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,824 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,336 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,698 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,040 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,912 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,746 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,311 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,771 |
| Territories of the United States | 0 | - | 4.80 | 52,643 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,906 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,169 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,554 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,428 |
| New York City Geography | 0 | - | 4.43 | 33,193 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,897 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,462 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,799 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,741 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,851 |
| States of Mexico | 0 | - | 4.96 | 178,461 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,945 |
| Word Chain - South America | 0 | - | 4.51 | 24,009 |
| States of Brazil | 0 | - | 4.98 | 89,879 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,636 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,465 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,776 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,735 |
| 75 Americans Named John | 0 | - | 4.41 | 23,980 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,200 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,948 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,245 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,841 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,489 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,525 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,878 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,400 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,299 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,599 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,114 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,306 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,772 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,440 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,400 |
| Peru True or False? | 0 | - | 4.58 | 15,324 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,206 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,278 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,282 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,299 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,744 |
| Famous People from South America | 0 | - | 4.15 | 22,117 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,206 |
| Which Island in the United States? | 0 | - | 4.29 | 29,802 |
| American Foods | 0 | - | 3.66 | 39,447 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,155 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,341 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,829 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,456 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,986 |
| U.S. Analogies | 0 | - | 4.27 | 19,723 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,527 |
| Old West History | 0 | - | 4.34 | 15,307 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,536 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,991 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,790 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,805 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,729 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,551 |
| US States with the Most Executions | 0 | - | 4.51 | 26,428 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,174 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,288 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 47,108 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,254 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,827 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,929 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,259 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,927 |
| Canada Decoder | 0 | - | 4.07 | 18,778 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,466 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,044 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,847 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,513 |
| North America Cities by Map | 0 | - | 4.41 | 47,960 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,710 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,463 |
| California Multiple Choice | 0 | - | 4.40 | 28,190 |
| San Francisco Trivia | 0 | - | 4.32 | 15,734 |
| San Francisco A-Z | 0 | - | 4.18 | 9,591 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,209 |
| Boston City Trivia | 0 | - | 4.38 | 24,211 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,740 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,416 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,813 |
| Australian Capitals | 0 | - | 4.92 | 62,845 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,849 |
| U.S. History Multiple Choice #2 | 0 | - | 4.33 | 25,131 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,291 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,670 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,443 |
| 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 | 31,217 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,640 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,396 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,886 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,600 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,604 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,791 |
| Official European Union Languages | 0 | - | 4.97 | 239,907 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,726 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,117 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,886 |
| Asia Map Quiz | 0 | - | 4.99 | 925,863 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,625 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,524 |
| Australia Map Quiz | 0 | - | 4.95 | 346,306 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,323 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,472 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,866 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,239 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,920 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,368 |
| American Inventions #1 | 0 | - | 3.62 | 31,539 |
| American Inventions #2 | 0 | - | 3.93 | 15,898 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,953 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,650 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,427 |
| University of California Campuses | 0 | - | 3.84 | 8,964 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,429 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,127 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,959 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,272 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,995 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,386 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,345 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,310 |
| The Only European Country ... | 0 | - | 4.91 | 219,294 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,667 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,073 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,042 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,602 |
| Countries of Africa | 0 | - | 5.00 | 2,562,166 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,110 |
| African East Coast | 0 | - | 4.96 | 96,842 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,711 |
| Australian States and Territories | 0 | - | 4.96 | 142,942 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,518 |
| Australia True or False | 0 | - | 4.87 | 57,180 |
| Flags of North and South America | 0 | - | 4.99 | 377,471 |
| South American Physical Geography | 0 | - | 4.58 | 18,409 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,788 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,207 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 69,122 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,518 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,543 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,610 |
| Celtic Nations | 0 | - | 4.61 | 47,109 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,418 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,661 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,206 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,016 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,846 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,075 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,962 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,132 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,599 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,267 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,830 |
| Slavic Countries | 0 | - | 4.96 | 112,436 |
