| United States Map Quiz | 0 | - | 4.98 | 4,158,392 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,204 |
| North America Map Quiz | 0 | - | 4.98 | 248,503 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,731 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,518 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,405 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,155 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,291 |
| History of Mexico | 0 | - | 4.58 | 15,309 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,958 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,667 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,116 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,478 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,454 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,464 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,024 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,936 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,918 |
| Central American Countries | 0 | - | 4.98 | 156,458 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,417 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,511 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,954 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,700 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,174 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,497 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,216 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,509 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,989 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,128 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,532 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,533 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,606 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,222 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,755 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,714 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,728 |
| Territories of the United States | 0 | - | 4.80 | 52,392 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,667 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,456 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,189 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,990 |
| New York City Geography | 0 | - | 4.42 | 33,100 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,593 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,782 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,578 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,798 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,779 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,532 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,459 |
| States of Mexico | 0 | - | 4.96 | 176,081 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,903 |
| States of Brazil | 0 | - | 4.97 | 88,024 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,693 |
| Famous Caribbean People | 0 | - | 4.37 | 12,618 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,035 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,254 |
| Word Chain - South America | 0 | - | 4.51 | 23,905 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,462 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,310 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,714 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,636 |
| 75 Americans Named John | 0 | - | 4.41 | 23,904 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,014 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,657 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 33,031 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,664 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,195 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,379 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,681 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,893 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,849 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,416 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,564 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,970 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,910 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,391 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,325 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,539 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,111 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,133 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,160 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,215 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,208 |
| Famous People from South America | 0 | - | 4.15 | 21,973 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,126 |
| Which Island in the United States? | 0 | - | 4.29 | 29,513 |
| American Foods | 0 | - | 3.66 | 39,379 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,255 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,763 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,333 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,898 |
| U.S. Analogies | 0 | - | 4.27 | 19,671 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,376 |
| Old West History | 0 | - | 4.34 | 15,274 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,519 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,927 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,732 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,697 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,569 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,401 |
| US States with the Most Executions | 0 | - | 4.51 | 26,396 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,063 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,005 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,150 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,713 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,801 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,192 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,622 |
| Canada Decoder | 0 | - | 4.12 | 18,718 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,404 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 279,147 |
| Australian Capitals | 0 | - | 4.92 | 62,722 |
| North America Cities by Map | 0 | - | 4.41 | 47,806 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,585 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,355 |
| California Multiple Choice | 0 | - | 4.40 | 28,103 |
| San Francisco Trivia | 0 | - | 4.32 | 15,704 |
| San Francisco A-Z | 0 | - | 4.18 | 9,572 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,182 |
| Boston City Trivia | 0 | - | 4.38 | 24,172 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,670 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,128 |
| Official European Union Languages | 0 | - | 4.97 | 238,498 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,847 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,876 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,819 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,282 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,773 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,069 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,242 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,586 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,350 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,463 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,590 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,602 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,338 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,844 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,571 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,555 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,189 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,209 |
| Asia Map Quiz | 0 | - | 4.99 | 916,728 |
| Countries of Africa | 0 | - | 5.00 | 2,536,909 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,826 |
| African East Coast | 0 | - | 4.96 | 96,064 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,877 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,687 |
| Australia Map Quiz | 0 | - | 4.95 | 344,604 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,269 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,172 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,751 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,346 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,576 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,325 |
| American Inventions #1 | 0 | - | 3.63 | 31,502 |
| American Inventions #2 | 0 | - | 3.93 | 15,864 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,762 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,557 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,343 |
| University of California Campuses | 0 | - | 3.84 | 8,918 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,410 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,244 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,649 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,958 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,022 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,454 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,984 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,237 |
| The Only European Country ... | 0 | - | 4.91 | 216,616 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,125 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,833 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,969 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,911 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,969 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,269 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,975 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,574 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,230 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,260 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,505 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,041 |
| African Island Countries | 0 | - | 4.96 | 101,630 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,407 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,267 |
| Australian States and Territories | 0 | - | 4.96 | 141,968 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,283 |
| Australia True or False | 0 | - | 4.87 | 56,856 |
| Flags of North and South America | 0 | - | 4.99 | 373,068 |
| South American Physical Geography | 0 | - | 4.58 | 18,346 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,706 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,879 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,302 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,385 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,292 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,085 |
| Celtic Nations | 0 | - | 4.69 | 46,945 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,680 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,658 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,204 |
