| United States Map Quiz | 0 | - | 4.98 | 4,164,196 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,363 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,930 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,999 |
| North America Map Quiz | 0 | - | 4.98 | 249,616 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,819 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,326 |
| History of Mexico | 0 | - | 4.58 | 15,339 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,070 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,261 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,889 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,457 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,637 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,789 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,641 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,441 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,054 |
| U.S. History Timeline Quiz | 0 | - | 4.96 | 56,960 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,157 |
| Central American Countries | 0 | - | 4.98 | 156,831 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,993 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,177 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,725 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,318 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,967 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,439 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,687 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,461 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,747 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,773 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,776 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,977 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,200 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,597 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,735 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,436 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,166 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,126 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,648 |
| Territories of the United States | 0 | - | 4.80 | 52,482 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,751 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,732 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,307 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,157 |
| New York City Geography | 0 | - | 4.42 | 33,129 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,725 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,732 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,785 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,607 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,595 |
| States of Mexico | 0 | - | 4.96 | 176,897 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,235 |
| Word Chain - South America | 0 | - | 4.51 | 23,942 |
| States of Brazil | 0 | - | 4.97 | 88,720 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,720 |
| Famous Caribbean People | 0 | - | 4.37 | 12,637 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,082 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,531 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,373 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,739 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,678 |
| 75 Americans Named John | 0 | - | 4.41 | 23,930 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,082 |
| New York True or False? | 0 | - | 4.53 | 33,863 |
| The Most Recent... United States | 0 | - | 4.46 | 18,507 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,762 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,111 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,758 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,307 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,431 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,759 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,087 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,044 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,482 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,775 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,095 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,982 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,548 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,371 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,305 |
| Peru True or False? | 0 | - | 4.58 | 15,276 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,137 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,185 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,207 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,244 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,787 |
| Famous People from South America | 0 | - | 4.15 | 22,025 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,152 |
| Which Island in the United States? | 0 | - | 4.29 | 29,623 |
| American Foods | 0 | - | 3.66 | 39,407 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,135 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,292 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,780 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,369 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,924 |
| U.S. Analogies | 0 | - | 4.27 | 19,700 |
| U.S. Groups of Five | 0 | - | 4.21 | 21,623 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,423 |
| Florida True or False? | 0 | - | 4.48 | 28,715 |
| Old West History | 0 | - | 4.34 | 15,287 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,529 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,956 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,750 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,739 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,624 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,454 |
| US States with the Most Executions | 0 | - | 4.51 | 26,408 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,106 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,107 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,188 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,753 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,839 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,217 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.03 | 28,745 |
| Canada Decoder | 0 | - | 4.07 | 18,739 |
| Which Canadian Province? | 0 | - | 4.75 | 9,751 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,387 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,816 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,772 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,665 |
| North America Cities by Map | 0 | - | 4.41 | 47,860 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,630 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,395 |
| California Multiple Choice | 0 | - | 4.40 | 28,127 |
| San Francisco Trivia | 0 | - | 4.32 | 15,712 |
| San Francisco A-Z | 0 | - | 4.18 | 9,583 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,188 |
| Boston City Trivia | 0 | - | 4.38 | 24,181 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,691 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,988 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,737 |
| Australian Capitals | 0 | - | 4.92 | 62,764 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,795 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,093 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,263 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,623 |
| U.S. History True or False #1 | 0 | - | 4.36 | 31,258 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,384 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,497 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,012 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,614 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,359 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,861 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,579 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,569 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,368 |
| Official European Union Languages | 0 | - | 4.97 | 238,997 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,185 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,325 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,895 |
| Asia Map Quiz | 0 | - | 4.99 | 920,157 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,445 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,007 |
| Australia Map Quiz | 0 | - | 4.95 | 345,300 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,284 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,279 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,803 |
| South American Geography Quiz #2 | 0 | - | 4.37 | 41,365 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,680 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,342 |
| American Inventions #1 | 0 | - | 3.63 | 31,515 |
| American Inventions #2 | 0 | - | 3.93 | 15,874 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,836 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,586 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,384 |
| University of California Campuses | 0 | - | 3.84 | 8,926 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,417 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,895 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,754 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,074 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,688 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,180 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,131 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,786 |
| The Only European Country ... | 0 | - | 4.91 | 217,558 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,687 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,927 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,371 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,082 |
| Countries of Africa | 0 | - | 5.00 | 2,546,463 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,149 |
| African East Coast | 0 | - | 4.96 | 96,330 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,197 |
| Australian States and Territories | 0 | - | 4.96 | 142,300 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,374 |
| Australia True or False | 0 | - | 4.87 | 56,966 |
| Flags of North and South America | 0 | - | 4.99 | 374,570 |
| South American Physical Geography | 0 | - | 4.58 | 18,370 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,736 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,980 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,626 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,436 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,361 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,510 |
| Celtic Nations | 0 | - | 4.69 | 47,005 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,297 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,982 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,493 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,524 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,396 |
