| Canada Provinces and Territories | 0 | - | 5.00 | 342,716 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,598 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,971 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,636 |
| North America Map Quiz | 0 | - | 4.98 | 248,634 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,745 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,186 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,568 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,431 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,737 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,013 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,693 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,207 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,497 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,502 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,489 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,100 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,954 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,542 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,613 |
| Central American Countries | 0 | - | 4.98 | 156,503 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,509 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,076 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,245 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,593 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,555 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,032 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,761 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,231 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,540 |
| 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 | 67,562 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,560 |
| New York True or False? | 0 | - | 4.53 | 33,832 |
| History of Mexico | 0 | - | 4.58 | 15,310 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,735 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,149 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,133 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,329 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,978 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,163 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,967 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,626 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,252 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,820 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,087 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,775 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,115 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,025 |
| 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 | 175,496 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,200 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,015 |
| Florida True or False? | 0 | - | 4.48 | 28,687 |
| New York City Geography | 0 | - | 4.42 | 33,105 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,716 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,805 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,833 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,917 |
| 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 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,543 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,197 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,433 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 82,147 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,730 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,059 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,927 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,884 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,480 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,945 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,466 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,322 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,721 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,639 |
| 75 Americans Named John | 0 | - | 4.41 | 23,908 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,028 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,359 |
| California Multiple Choice | 0 | - | 4.40 | 28,106 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,182 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,678 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 33,048 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,686 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,213 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,392 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,694 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,926 |
| 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 | 59,991 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,922 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,406 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,505 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,659 |
| Name the English Monarchs | 0 | - | 4.91 | 502,894 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,266 |
| Peru True or False? | 0 | - | 4.58 | 15,260 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,699,911 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,822 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,143 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,166 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,396 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,376 |
| Countries that Beat Canada | 0 | - | 4.91 | 97,761 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,218 |
| French History Multiple Choice | 0 | - | 4.55 | 33,047 |
| The Trojan War | 0 | - | 4.83 | 39,738 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,673 |
| Name that Greek Letter | 0 | - | 4.93 | 323,517 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,890 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,668 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,549 |
| Roman Emperors | 0 | - | 4.95 | 120,094 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,141 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,890 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,303 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,203 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 54,835 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,460 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,130 |
| Which Island in the United States? | 0 | - | 4.29 | 29,524 |
| American Inventions #1 | 0 | - | 3.63 | 31,503 |
| American Inventions #2 | 0 | - | 3.93 | 15,866 |
| American Foods | 0 | - | 3.66 | 39,384 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,130 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,258 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,766 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,335 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,901 |
| U.S. Analogies | 0 | - | 4.27 | 19,671 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,382 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,704 |
| 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 | 48,021 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,152 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,642 |
| Canada Decoder | 0 | - | 4.12 | 18,719 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,345 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,673 |
| History of Russia Quiz | 0 | - | 4.47 | 31,922 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,104 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,002 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,057 |
| History of Italy | 0 | - | 4.55 | 31,980 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,664 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,242 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,875 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,260 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,700 |
| Famous Caribbean People | 0 | - | 4.37 | 12,622 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,042 |
| North America Cities by Map | 0 | - | 4.41 | 47,816 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,592 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,588 |
| San Francisco Trivia | 0 | - | 4.32 | 15,705 |
| San Francisco A-Z | 0 | - | 4.18 | 9,574 |
| Boston City Trivia | 0 | - | 4.38 | 24,172 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,674 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,151 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,653 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,289 |
| Ancient Greek Words | 0 | - | 4.93 | 111,647 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 42,944 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,160 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,219 |
| History of India | 0 | - | 4.62 | 21,432 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,412 |
| Which African Country? | 0 | - | 4.58 | 36,374 |
| History of South Africa | 0 | - | 4.60 | 17,692 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,591 |
| Australian Capitals | 0 | - | 4.92 | 62,729 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,784 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,880 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,879 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,318 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,356 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,466 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 28,074 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,604 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,339 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,845 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,571 |
| Canada Country Quiz | 0 | - | 4.54 | 132,506 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,229 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,162 |
| Official European Union Languages | 0 | - | 4.97 | 238,570 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,900 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,314 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,392 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,971 |
| History of Austria | 0 | - | 4.70 | 17,865 |
| Geography of the French Empire | 0 | - | 4.45 | 27,062 |
| The French Revolution | 0 | - | 4.47 | 23,946 |
| History of France | 0 | - | 4.59 | 57,005 |
