| United States Map Quiz | 0 | - | 4.98 | 3,936,059 |
| Countries of North America Quiz | 0 | - | 5.00 | 898,679 |
| North America Map Quiz | 0 | - | 4.98 | 204,493 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,267 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 591,538 |
| Canada Geography Trivia | 0 | - | 4.81 | 45,315 |
| Most Spoken Languages in Canada | 0 | - | 4.88 | 48,121 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 859,791 |
| History of Mexico | 0 | - | 4.57 | 14,093 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 48,421 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 86,938 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,642 |
| U.S. State Border Crossings | 0 | - | 4.96 | 83,055 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,402 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,563 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 62,459 |
| Canada Provinces and Territories | 0 | - | 4.99 | 294,358 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 96,015 |
| Central American Countries | 0 | - | 4.98 | 141,532 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,745 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 118,352 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,579 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,833 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,981 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,888 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,917 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,429 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,820 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 91,459 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 165,802 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,940 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,303 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,208 |
| South America Map Quiz | 0 | - | 5.00 | 1,438,023 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,637 |
| Territories of the United States | 0 | - | 4.76 | 49,051 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 34,735 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 162,233 |
| Top U.S. Cash Crops | 0 | - | 4.41 | 59,488 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,992 |
| Name a Valid Answer - United States #1 | 0 | - | 4.65 | 87,471 |
| Canada Immigration by Country | 0 | - | 4.51 | 58,034 |
| Islands of the Galápagos | 0 | - | 4.53 | 4,477 |
| Uruguay Country Quiz | 0 | - | 4.82 | 29,048 |
| North America Capitals Quiz | 0 | - | 4.99 | 190,823 |
| Native American Tribes in the US | 0 | - | 4.66 | 23,304 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 74,086 |
| States of Mexico | 0 | - | 4.94 | 145,489 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 42,312 |
| States of Brazil | 0 | - | 4.97 | 71,326 |
| Largest Caribbean Islands | 0 | - | 4.03 | 15,549 |
| Famous Caribbean People | 0 | - | 4.36 | 12,176 |
| Saintly Islands of the Caribbean | 0 | - | 4.30 | 22,486 |
| Word Chain - South America | 0 | - | 4.49 | 22,350 |
| U.S. Federal Holidays | 0 | - | 4.29 | 96,413 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,905 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.17 | 50,512 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.09 | 38,042 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 94,458 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,764 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,845 |
| Top 10 Newest U.S. States | 0 | - | 4.80 | 68,693 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 62,280 |
| Top 10 Most Obese U.S. States | 0 | - | 4.53 | 78,793 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 65,285 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,955 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,542 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,648 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,839 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 42,586 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,471 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 492,379 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,687 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.76 | 42,871 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,277 |
| Bahamas Country Quiz | 0 | - | 4.61 | 17,817 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,806 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,575 |
| Famous People from South America | 0 | - | 4.13 | 19,665 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,183 |
| American Islands | 0 | - | 4.17 | 15,829 |
| American Foods | 0 | - | 3.73 | 38,314 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,740 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,797 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,598 |
| U.S. Groups of Three Quiz | 0 | - | 4.05 | 19,721 |
| 75 Americans Named John | 0 | - | 4.39 | 22,912 |
| Branches of the U.S. Military | 0 | - | 4.40 | 21,570 |
| New York City Geography | 0 | - | 4.40 | 23,536 |
| Old West History | 0 | - | 4.29 | 14,839 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,258 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,983 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,997 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 30,335 |
| U.S. States with Oldest Median Age | 0 | - | 4.35 | 32,015 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 41,510 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 63,672 |
| US States with the Most Executions | 0 | - | 4.51 | 25,763 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 27,284 |
| Top 10 Least White U.S. States | 0 | - | 4.19 | 36,919 |
| Top 10 Least Happy U.S. States | 0 | - | 4.55 | 22,573 |
| U.S. Geography True or False #1 | 0 | - | 4.52 | 27,036 |
| U.S. Geography - Multiple Choice | 0 | - | 4.43 | 22,970 |
| 20 Most-Visited Places in Canada | 0 | - | 4.20 | 12,297 |
| Canada Decoder | 0 | - | 4.10 | 17,936 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 174,142 |
| Australian Capitals | 0 | - | 4.92 | 61,133 |
| Pixelated Americas Map | 0 | - | 4.42 | 42,829 |
| California Multiple Choice | 0 | - | 4.40 | 27,081 |
| San Francisco Trivia | 0 | - | 4.34 | 15,268 |
| San Francisco A-Z | 0 | - | 4.20 | 9,097 |
| Florida Multiple Choice | 0 | - | 4.30 | 9,792 |
| Boston Trivia | 0 | - | 4.37 | 23,525 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 40,450 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 62,016 |
| Official European Union Languages | 0 | - | 4.98 | 204,197 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,193 |
| Europe Map Quiz | 0 | - | 5.00 | 4,356,656 |
| U.S. History Multiple Choice #5 | 0 | - | 4.36 | 10,622 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,356,731 |
| Asia Map Quiz | 0 | - | 4.99 | 801,858 |
| Africa Map Quiz | 0 | - | 5.00 | 1,963,214 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,644 |
| U.S. History Multiple Choice #2 | 0 | - | 4.36 | 24,134 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 21,377 |
| U.S. History Multiple Choice #3 | 0 | - | 4.40 | 23,614 |
| U.S. History Multiple Choice #4 | 0 | - | 4.25 | 24,344 |
| Top 10 Most Religious U.S. States | 0 | - | 4.34 | 17,848 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.33 | 24,418 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.23 | 21,704 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,124 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.24 | 11,589 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.26 | 11,193 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.15 | 9,017 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 393,101 |
| Top 10 Oldest African Countries | 0 | - | 4.84 | 23,609 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,414 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,967 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,294,437 |
| Countries of Africa | 0 | - | 5.00 | 2,219,370 |
| African East Coast | 0 | - | 4.97 | 85,927 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,356 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,746 |
| Australia Map Quiz | 0 | - | 4.94 | 323,350 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,508 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 52,973 |
| South American Geography Quiz #2 | 0 | - | 4.65 | 37,383 |
| North America Cities by Map | 0 | - | 4.40 | 45,676 |
| USA Tourist Attractions by Description #2 | 0 | - | 3.96 | 20,778 |
| American Inventions #1 | 0 | - | 3.64 | 31,069 |
| American Inventions #2 | 0 | - | 3.87 | 15,442 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 35,030 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.37 | 40,363 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.28 | 32,161 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.85 | 18,754 |
| University of California Campuses | 0 | - | 3.88 | 8,188 |
| Famous Canadians Quiz | 0 | - | 3.92 | 22,908 |
| Canadian Musical Acts | 0 | - | 3.95 | 18,040 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,107 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,401 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,446 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 339,933 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,395 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 95,592 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,347 |
| The Only European Country ... | 0 | - | 4.93 | 183,502 |
| European Countries Ending in "IA" | 0 | - | 4.95 | 57,481 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,298 |
| Counties of England | 0 | - | 4.97 | 705,685 |
| Flags of Asia Quiz | 0 | - | 4.99 | 535,621 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,760 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,749 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,298 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,296 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,977 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 95,358 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,162 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,610 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.95 | 37,888 |
| Countries of the Middle East | 0 | - | 4.95 | 177,376 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,505 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,706 |
| Flags of Africa Quiz | 0 | - | 4.99 | 397,036 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,193 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 201,092 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,703 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,613 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,806 |
| Top African Languages on a Map | 0 | - | 4.93 | 56,215 |
| African Island Countries | 0 | - | 4.96 | 91,180 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 226,349 |
| Australian States and Territories | 0 | - | 4.96 | 130,763 |
| Australian Immigration by Country | 0 | - | 4.81 | 73,129 |
| Australia True or False | 0 | - | 4.90 | 52,312 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,651 |
| South American Physical Geography | 0 | - | 4.56 | 17,431 |
| Paraguay... or Uruguay? | 0 | - | 4.53 | 25,583 |
| Straight Shot to Antarctica | 0 | - | 4.91 | 38,074 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,068,175 |
| Celtic Nations | 0 | - | 4.76 | 45,067 |
