| Canada Provinces and Territories | 0 | - | 5.00 | 345,128 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,144 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,708 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,888 |
| North America Map Quiz | 0 | - | 4.98 | 250,642 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,918 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,459 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,927 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,178 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,767 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,610 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,024 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,689 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,765 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,598 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,804 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,779 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,172 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,651 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,809 |
| Central American Countries | 0 | - | 4.98 | 157,117 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,147 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,806 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,585 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,112 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,278 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,650 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,945 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,508 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,076 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,564 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,759 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,558 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,892 |
| New York True or False? | 0 | - | 4.53 | 33,912 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,148 |
| History of Mexico | 0 | - | 4.52 | 15,354 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,814 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,798 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,259 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,400 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,271 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,052 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,860 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,636 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,388 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,061 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,821 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,172 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,338 |
| Territories of the United States | 0 | - | 4.80 | 52,554 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,822 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,944 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,407 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,285 |
| Florida True or False? | 0 | - | 4.48 | 28,748 |
| New York City Geography | 0 | - | 4.43 | 33,165 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,781 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,867 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,508 |
| Old West History | 0 | - | 4.34 | 15,292 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,530 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,972 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,678 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,235 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,076 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,665 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,483 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,617 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,377 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,689 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,315 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,581 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,414 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,755 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,702 |
| 75 Americans Named John | 0 | - | 4.41 | 23,956 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,136 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,424 |
| California Multiple Choice | 0 | - | 4.40 | 28,155 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,196 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,854 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,178 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,797 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,388 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,470 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,815 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,241 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,171 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,536 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,929 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,195 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,041 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,657 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,691 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,460 |
| Name the English Monarchs | 0 | - | 4.91 | 505,369 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,330 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,339 |
| Peru True or False? | 0 | - | 4.58 | 15,298 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,718,661 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,568 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,232 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,240 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,532 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,874 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,805 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,271 |
| French History Multiple Choice | 0 | - | 4.55 | 33,178 |
| The Trojan War | 0 | - | 4.83 | 39,930 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,690 |
| Name that Greek Letter | 0 | - | 4.93 | 324,653 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,667 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,785 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,477 |
| Roman Emperors | 0 | - | 4.95 | 120,876 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,504 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,257 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,712 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,349 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 55,078 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,427 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,175 |
| Which Island in the United States? | 0 | - | 4.29 | 29,707 |
| American Inventions #1 | 0 | - | 3.62 | 31,525 |
| American Inventions #2 | 0 | - | 3.93 | 15,884 |
| American Foods | 0 | - | 3.66 | 39,425 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,142 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,320 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,803 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,407 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,961 |
| U.S. Analogies | 0 | - | 4.27 | 19,711 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,467 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,764 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,674 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,494 |
| US States with the Most Executions | 0 | - | 4.51 | 26,419 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,136 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,199 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,218 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,818 |
| Canada Decoder | 0 | - | 4.07 | 18,755 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,695 |
| History of Russia Quiz | 0 | - | 4.47 | 31,985 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,383 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,952 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,124 |
| History of Italy | 0 | - | 4.55 | 32,107 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,781 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,379 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,039 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,662 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,749 |
| Famous Caribbean People | 0 | - | 4.37 | 12,649 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,120 |
| North America Cities by Map | 0 | - | 4.41 | 47,899 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,663 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,951 |
| San Francisco Trivia | 0 | - | 4.32 | 15,719 |
| San Francisco A-Z | 0 | - | 4.18 | 9,583 |
| Boston City Trivia | 0 | - | 4.38 | 24,192 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,717 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,544 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,891 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,969 |
| Ancient Greek Words | 0 | - | 4.93 | 112,233 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 43,227 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,410 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,291 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,031 |
| History of South Africa | 0 | - | 4.60 | 17,742 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,859 |
| Australian Capitals | 0 | - | 4.92 | 62,804 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,788 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,118 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,327 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,743 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,405 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,517 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,145 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,623 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,378 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,874 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,586 |
| Canada Country Quiz | 0 | - | 4.55 | 132,896 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,499 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,572 |
| Official European Union Languages | 0 | - | 4.97 | 239,428 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,437 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,165 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,538 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,075 |
| History of Austria | 0 | - | 4.70 | 17,950 |
| Geography of the French Empire | 0 | - | 4.45 | 27,193 |
| The French Revolution | 0 | - | 4.47 | 24,108 |
| History of France | 0 | - | 4.61 | 57,461 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,541 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,350 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,033 |
