| Canada Provinces and Territories | 0 | - | 5.00 | 342,710 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,540 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,951 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,626 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,596 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,141 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,424 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,013 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,207 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,496 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,498 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,488 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,096 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,954 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,125 |
| States of Mexico | 0 | - | 4.96 | 176,189 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,769 |
| Central American Countries | 0 | - | 4.98 | 156,502 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,507 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,970 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,678 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,155 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,888 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,253 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,613 |
| Canada A-Z | 0 | - | 4.73 | 32,841 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,335 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,901 |
| Pixelated United States Map | 0 | - | 4.87 | 94,290 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,714 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,794 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,899 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,460 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,471 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,048 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,328 |
| U.S. States By Population | 0 | - | 4.92 | 153,568 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,479 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,455 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,553 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,333 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,225 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,643 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,030 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,758 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,225 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,537 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,269 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,560 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,396 |
| Canada Decoder | 0 | - | 4.12 | 18,719 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,376 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,501 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,786 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,494 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,329 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,002 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,568 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,968 |
| Flags of North and South America | 0 | - | 4.99 | 373,245 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,818 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,080 |
| Belize Country Quiz | 0 | - | 4.85 | 20,982 |
| Territories of the United States | 0 | - | 4.80 | 52,409 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,680 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,495 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,200 |
| New York City Geography | 0 | - | 4.42 | 33,105 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,185 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,389 |
| German Groups of Things | 0 | - | 4.46 | 38,483 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,740 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,660 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,343 |
| The Only American Country ... | 0 | - | 4.92 | 121,641 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,915 |
| American Foods | 0 | - | 3.66 | 39,384 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,197 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,641 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,021 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,972 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,221 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,689 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,374 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,833 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,533 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,589 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,182 |
| United States Country Quiz | 0 | - | 4.43 | 101,548 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,891 |
| Canada Country Quiz | 0 | - | 4.54 | 132,506 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,229 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,990 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,387 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,209 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,479 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,759 |
| History of Mexico | 0 | - | 4.58 | 15,310 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,944 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,958 |
| Word Chain - South America | 0 | - | 4.51 | 23,911 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,095 |
| States of Brazil | 0 | - | 4.97 | 88,173 |
| Famous Caribbean People | 0 | - | 4.37 | 12,622 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,466 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,199 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,721 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,886 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,525 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,825 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,897 |
| New England States | 0 | - | 4.51 | 59,811 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,824 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,015 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,830 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,018 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,937 |
| U.S. States by Borders | 0 | - | 4.61 | 35,326 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,487 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,049 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,231 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,676 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 33,047 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,686 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,211 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,391 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,694 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,923 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,876 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,428 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,597 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,988 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,922 |
| African-American Historical Figures | 0 | - | 4.18 | 17,225 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,115 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,041 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,368 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,917 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,186 |
| British Groups of Things | 0 | - | 4.25 | 82,878 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,080 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,844 |
| Word Chain - Africa | 0 | - | 4.47 | 31,623 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,370 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,422 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,059 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,724 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,087 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,617 |
| Top U.S. Universities | 0 | - | 4.15 | 145,166 |
| Largest United States Airlines | 0 | - | 4.39 | 55,038 |
| U.S. States by Governor | 0 | - | 4.43 | 18,063 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,701 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,683 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,846 |
| Events in U.S. History | 0 | - | 4.41 | 28,677 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,115 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,492 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,190 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,143 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,878 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,166 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,502 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,776 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 34,989 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,218 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,671 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,720 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,883 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,325 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,787 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,260 |
| Famous People from South America | 0 | - | 4.15 | 21,981 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,128 |
| Which Island in the United States? | 0 | - | 4.29 | 29,524 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,065 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,130 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,258 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,919 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,572 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,144 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,766 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,364 |
| Old West History | 0 | - | 4.34 | 15,277 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,522 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,938 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,737 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,859 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,525 |
| Flyover States | 0 | - | 4.52 | 29,515 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,129 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,175 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,388 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,897 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,702 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,582 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,408 |
| US States with the Most Executions | 0 | - | 4.51 | 26,398 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,070 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,020 |
