| Canada Provinces and Territories | 0 | - | 5.00 | 344,583 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,561 |
| United States Map Quiz | 0 | - | 4.98 | 4,166,076 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,505 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,783 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,611 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,706 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,385 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,372 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,554 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,708 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,482 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,735 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,642 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,128 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,055 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,767 |
| States of Mexico | 0 | - | 4.96 | 177,327 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,368 |
| Central American Countries | 0 | - | 4.98 | 156,980 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,072 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,506 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,248 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,036 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,120 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,413 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,999 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,526 |
| Pixelated United States Map | 0 | - | 4.88 | 94,591 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,136 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,141 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,664 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,891 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,896 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,515 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,870 |
| U.S. States By Population | 0 | - | 4.92 | 153,877 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,870 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,685 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,876 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,637 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,401 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,897 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,410 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,022 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,499 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,721 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,509 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,838 |
| Canada Country Quiz | 0 | - | 4.54 | 132,812 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,452 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,126 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,067 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,685 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,858 |
| History of Mexico | 0 | - | 4.58 | 15,346 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,384 |
| Flags of North and South America | 0 | - | 4.99 | 375,261 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,297 |
| South America Map Quiz | 0 | - | 5.00 | 1,553,021 |
| Belize Country Quiz | 0 | - | 4.85 | 21,045 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,268 |
| Events in U.S. History | 0 | - | 4.41 | 28,760 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,153 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,283 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,892 |
| Territories of the United States | 0 | - | 4.80 | 52,513 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,786 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,859 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,360 |
| New York City Geography | 0 | - | 4.43 | 33,150 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,763 |
| The Only American Country ... | 0 | - | 4.92 | 121,952 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,413 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,101 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,639 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,633 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,238 |
| United States Country Quiz | 0 | - | 4.43 | 101,890 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,997 |
| Old West History | 0 | - | 4.34 | 15,290 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,529 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,966 |
| Canada A-Z | 0 | - | 4.73 | 32,920 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,224 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,508 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,955 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,247 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,338 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,502 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,289 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,110 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,540 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,647 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,240 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,395 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,365 |
| States of Brazil | 0 | - | 4.97 | 89,009 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,555 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,743 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,462 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,088 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,213 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,303 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,009 |
| History of Pennsylvania | 0 | - | 4.16 | 7,155 |
| History of Virginia | 0 | - | 4.31 | 11,621 |
| New England States | 0 | - | 4.51 | 59,860 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,956 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,063 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,990 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,170 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,051 |
| U.S. States by Borders | 0 | - | 4.61 | 35,414 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 187,371 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,606 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,209 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,315 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,810 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,140 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,778 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,344 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,450 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,784 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,178 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,107 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,512 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,856 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,145 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,010 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,383 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,076 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,658 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,271 |
| Name the English Monarchs | 0 | - | 4.91 | 504,866 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,236 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,514 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,746 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,819 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,185 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,716 |
| Top U.S. Universities | 0 | - | 4.15 | 145,525 |
| Largest United States Airlines | 0 | - | 4.39 | 55,106 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,619 |
| U.S. States by Governor | 0 | - | 4.43 | 18,093 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,728 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,728 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,546 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,714,843 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,874 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,444 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,103 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,272 |
| Valid Answer - U.S. History | 0 | - | 4.24 | 22,570 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,637 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,560 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,280 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,208 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,924 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,136 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,937 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,228 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,616 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,952 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,545 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,807 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,422 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,229 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,124 |
| All Cities in Canada on a Map | 0 | - | 4.41 | 18,564 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,258 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,580 |
| The Trojan War | 0 | - | 4.83 | 39,894 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,071 |
| Name that Greek Letter | 0 | - | 4.93 | 324,465 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,520 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,366 |
| Roman Emperors | 0 | - | 4.95 | 120,693 |
| Prime Ministers of the UK | 0 | - | 4.95 | 440,926 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,475 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,166 |
| Which Island in the United States? | 0 | - | 4.29 | 29,656 |
| American Inventions #1 | 0 | - | 3.63 | 31,521 |
| American Inventions #2 | 0 | - | 3.93 | 15,875 |
| American Foods | 0 | - | 3.66 | 39,421 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,135 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,305 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,978 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,660 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,224 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,792 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,392 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,950 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,440 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,422 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,073 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,965 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,551 |
| Flyover States | 0 | - | 4.52 | 29,564 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,205 |
