| United States Map Quiz | 0 | - | 4.98 | 3,886,301 |
| Countries of North America Quiz | 0 | - | 5.00 | 871,853 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 574,088 |
| Canada A-Z | 0 | - | 4.66 | 30,456 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 139,518 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 180,289 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 161,083 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 175,088 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 285,720 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 166,298 |
| Africa A-Z | 0 | - | 4.54 | 43,569 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 848,400 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,574 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 46,467 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,772 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,872 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,662 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,797 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,502 |
| Canada Provinces and Territories | 0 | - | 4.99 | 287,411 |
| 19th Century A-Z | 0 | - | 4.82 | 34,088 |
| Name an Official Language A-Z | 0 | - | 4.91 | 133,490 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 338,717 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,227 |
| The Americas Geography by Letter - B | 0 | - | 4.50 | 48,760 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,447 |
| States of Mexico | 0 | - | 4.95 | 139,083 |
| Mexico States Map Quiz | 0 | - | 4.85 | 89,711 |
| Central American Countries | 0 | - | 4.98 | 138,193 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,670 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,732 |
| Total United States Immigration by Country | 0 | - | 4.90 | 96,064 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 145,498 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 182,745 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 67,362 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,198 |
| Asian Cities A-Z | 0 | - | 4.51 | 30,098 |
| Pixelated United States Map | 0 | - | 4.90 | 81,497 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 92,255 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,819 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 99,621 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 95,335 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 98,427 |
| U.S. States with Short Names | 0 | - | 4.87 | 128,660 |
| U.S. States that Start with M | 0 | - | 4.91 | 149,459 |
| U.S. States By Population | 0 | - | 4.90 | 129,383 |
| U.S. States that Start with N | 0 | - | 4.95 | 154,615 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,633 |
| 10 Northernmost U.S. States | 0 | - | 4.88 | 72,890 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 57,979 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 55,405 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 144,696 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,411 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 98,719 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,467 |
| Disney A-Z | 0 | - | 4.41 | 77,419 |
| A to Z: Musical Terms | 0 | - | 4.42 | 37,418 |
| Geography A-Z #2 | 0 | - | 4.46 | 49,038 |
| Geography A-Z #5 | 0 | - | 4.41 | 34,560 |
| Empires A-Z | 0 | - | 4.48 | 39,459 |
| Geography A-Z #1 | 0 | - | 4.55 | 65,585 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 89,727 |
| The Americas Geography by Letter - C | 0 | - | 4.28 | 54,578 |
| The Americas Geography by Letter - A | 0 | - | 4.28 | 41,712 |
| The Americas Geography by Letter - T | 0 | - | 4.23 | 38,425 |
| The Americas Geography by Letter - P | 0 | - | 4.36 | 36,162 |
| The Americas Geography by Letter - M | 0 | - | 4.40 | 36,203 |
| U.S. Federal Holidays | 0 | - | 4.29 | 95,455 |
| Countries that Beat the United States | 0 | - | 4.92 | 144,198 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 88,769 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 72,847 |
| Geography by Letter - T | 0 | - | 4.82 | 120,336 |
| South America A-Z | 0 | - | 4.10 | 9,981 |
| World Cities A-Z #1 | 0 | - | 4.53 | 58,731 |
| Islands A-Z | 0 | - | 4.45 | 104,220 |
| World Cities A-Z #2 | 0 | - | 4.46 | 51,444 |
| Human Body A-Z | 0 | - | 4.48 | 107,749 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.70 | 53,562 |
| Ethnic Groups A-Z | 0 | - | 4.56 | 37,932 |
| People in History A-Z #1 | 0 | - | 4.64 | 90,306 |
| People in History A-Z #2 | 0 | - | 4.46 | 49,876 |
| People in History A-Z #3 | 0 | - | 4.47 | 42,128 |
| Middle East A-Z | 0 | - | 4.45 | 42,870 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 105,313 |
| South America Map Quiz | 0 | - | 5.00 | 1,412,624 |
| Belize Country Quiz | 0 | - | 4.88 | 18,604 |
| Territories of the United States | 0 | - | 4.76 | 48,308 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 158,736 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,215 |
| Canada Immigration by Country | 0 | - | 4.52 | 56,882 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 79,206 |
| Companies A-Z | 0 | - | 4.31 | 41,316 |
| Religion A-Z #1 | 0 | - | 4.25 | 44,709 |
| Religion A-Z #2 | 0 | - | 4.48 | 24,639 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 67,817 |
| Geography by Letter on the World Map - C | 0 | - | 4.84 | 101,590 |
| Video Games A-Z | 0 | - | 4.04 | 35,037 |
| Geography A-Z #3 | 0 | - | 4.21 | 36,532 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.43 | 41,123 |
| 20th Century A-Z | 0 | - | 4.48 | 38,438 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 307,089 |
| The Only American Country ... | 0 | - | 4.94 | 109,024 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,199 |
| The Americas Geography by Letter - D | 0 | - | 3.97 | 38,900 |
| The Americas Geography by Letter - N | 0 | - | 3.63 | 37,341 |
| The Americas Geography by Letter - E | 0 | - | 3.59 | 32,575 |
| The Americas Geography By Letter - H | 0 | - | 4.21 | 21,444 |
| North America Capitals Quiz | 0 | - | 4.99 | 184,516 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 212,574 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 45,878 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,391 |
| Countries with American Expatriates | 0 | - | 4.59 | 40,833 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,185 |
| United States Country Quiz | 0 | - | 4.45 | 88,250 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 72,101 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 56,528 |
| Canada Country Quiz | 0 | - | 4.54 | 120,661 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 108,908 |
| Double Letters A-Z | 0 | - | 4.49 | 25,797 |
| Animals A-Z #1 | 0 | - | 4.36 | 86,052 |
| Animals A-Z #2 | 0 | - | 4.12 | 62,799 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 80,674 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.12 | 16,415 |
| History of Mexico | 0 | - | 4.55 | 13,809 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,384 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 39,186 |
| Brazil States Map Quiz | 0 | - | 4.84 | 39,080 |
| States of Brazil | 0 | - | 4.96 | 67,606 |
| American Legal Vocabulary | 0 | - | 4.43 | 32,022 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,714 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 71,502 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,184 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 62,124 |
| New England States | 0 | - | 4.53 | 52,379 |
| US States by Land Area | 0 | - | 4.59 | 48,255 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 36,052 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,104 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,766 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,248 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,327 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 93,231 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.80 | 56,166 |
| Top 10 Most African-American U.S. States | 0 | - | 4.47 | 61,297 |
| Top 10 Newest U.S. States | 0 | - | 4.81 | 67,771 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 61,365 |
| Top 10 Most Obese U.S. States | 0 | - | 4.50 | 64,710 |
| Top 10 Least Obese U.S. States | 0 | - | 4.80 | 67,615 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 64,186 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.44 | 47,871 |
| Top 10 Most White U.S. States | 0 | - | 4.52 | 55,207 |
| Top 10 Most German U.S. States | 0 | - | 4.49 | 42,129 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,157 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,837 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,038 |
| A to Z: Musical Terms #2 | 0 | - | 4.09 | 9,744 |
| Geography A-Z #4 | 0 | - | 4.37 | 23,851 |
| 16th Century A-Z | 0 | - | 4.53 | 15,805 |
| 18th Century A-Z | 0 | - | 4.60 | 31,383 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 108,665 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,245 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 82,974 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.87 | 67,600 |
| Jamaica Country Quiz | 0 | - | 4.59 | 31,908 |
| Top U.S. Universities | 0 | - | 4.11 | 112,354 |
| Largest United States Airlines | 0 | - | 4.38 | 51,873 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,900 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,074 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,530 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.76 | 53,838 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,749 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.76 | 42,210 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.52 | 58,154 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 33,790 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,670 |
| Bahamas Country Quiz | 0 | - | 4.60 | 17,404 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,243 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 454,714 |
| Brand Logos That Start with A | 0 | - | 4.52 | 55,048 |
| Brand Logos That Start With B | 0 | - | 4.47 | 47,293 |
| Brand Logos That Start With M | 0 | - | 4.41 | 47,294 |
| NATO Military Alphabet | 0 | - | 4.98 | 483,632 |
| Geography by Letter - A | 0 | - | 4.66 | 190,338 |
| Geography by Letter - B | 0 | - | 4.56 | 163,127 |
| Geography by Letter - H | 0 | - | 4.72 | 132,112 |
| Geography by Letter - C | 0 | - | 4.50 | 140,208 |
| Geography by Letter - D | 0 | - | 4.47 | 133,945 |
| Geography by Letter - I | 0 | - | 4.43 | 108,730 |
| Geography by Letter - K | 0 | - | 4.53 | 104,570 |
| Geography by Letter - L | 0 | - | 4.45 | 132,912 |
| Geography by Letter - M | 0 | - | 4.48 | 103,107 |
| Geography by Letter - N | 0 | - | 4.52 | 104,053 |
| Geography by Letter - P | 0 | - | 4.43 | 150,218 |
| Geography by Letter - R | 0 | - | 4.41 | 102,463 |
| Geography by Letter - S #1 | 0 | - | 4.79 | 113,544 |
| Geography by Letter - U | 0 | - | 4.55 | 116,053 |
| Geography by Letter - W | 0 | - | 4.43 | 94,974 |
| Asian Geography By Letter - K | 0 | - | 4.76 | 54,560 |
| American Football A-Z | 0 | - | 4.27 | 13,712 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 16,095 |
| People in History A-Z #5 | 0 | - | 4.10 | 29,869 |
