| Canada A-Z | 0 | - | 4.73 | 32,632 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,114 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,710 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,437 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,487 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,653 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,806 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,319 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,616 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,279 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,288 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.82 | 72,076 |
| Africa A-Z | 0 | - | 4.57 | 46,347 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,543 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,881 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,819 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,880 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,209 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,787 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,992 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,446 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,609 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,614 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,112 |
| States of Mexico | 0 | - | 4.95 | 173,121 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,700 |
| Central American Countries | 0 | - | 4.98 | 154,940 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,649 |
| Name the U.S. National Parks | 0 | - | 4.85 | 58,352 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,560 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,056 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,075 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,491 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,558 |
| Pixelated United States Map | 0 | - | 4.89 | 93,379 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,333 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,753 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,616 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,258 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,310 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,528 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,800 |
| U.S. States By Population | 0 | - | 4.92 | 152,288 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,293 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,794 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,850 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,723 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,798 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,794 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,043 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,416 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,037 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,623 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,269 |
| A to Z: Musical Terms | 0 | - | 4.43 | 40,979 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,662 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,168 |
| Empires A-Z | 0 | - | 4.51 | 44,774 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,305 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,074 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,417 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,005 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,887 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,774 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,473 |
| Geography by Letter - T | 0 | - | 4.84 | 152,194 |
| South America A-Z | 0 | - | 4.13 | 10,834 |
| World Cities A-Z by Clue #1 | 0 | - | 4.61 | 65,121 |
| Islands A-Z | 0 | - | 4.46 | 116,669 |
| World Cities A-Z by Clue #2 | 0 | - | 4.43 | 56,717 |
| Human Body A-Z | 0 | - | 4.51 | 128,200 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,761 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,448 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,020 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,534 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,772 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,930 |
| Flags of North and South America | 0 | - | 4.99 | 366,012 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,979 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,510 |
| Belize Country Quiz | 0 | - | 4.85 | 20,784 |
| Territories of the United States | 0 | - | 4.79 | 52,109 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,358 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,460 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,696 |
| New York City Geography | 0 | - | 4.42 | 32,890 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,178 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,794 |
| Middle East A-Z | 0 | - | 4.46 | 45,753 |
| Disney A-Z | 0 | - | 4.37 | 86,073 |
| Companies A-Z | 0 | - | 4.30 | 42,601 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,465 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,791 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,175 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,807 |
| Video Games A-Z | 0 | - | 4.08 | 38,657 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,054 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,126 |
| 20th Century A-Z | 0 | - | 4.50 | 53,127 |
| 19th Century A-Z | 0 | - | 4.77 | 46,706 |
| 18th Century A-Z | 0 | - | 4.54 | 42,617 |
| The Only American Country ... | 0 | - | 4.92 | 120,678 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,278 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,599 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,604 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,283 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,237 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,461 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,068 |
| United States Country Quiz | 0 | - | 4.43 | 100,492 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,581 |
| Canada Country Quiz | 0 | - | 4.54 | 131,648 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,566 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,612 |
| Double Letters A-Z | 0 | - | 4.51 | 27,056 |
| Animals A-Z #2 | 0 | - | 4.11 | 66,021 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,778 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,020 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,846 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,903 |
| History of Mexico | 0 | - | 4.58 | 15,222 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,067 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,818 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,349 |
| States of Brazil | 0 | - | 4.98 | 86,246 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,627 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,142 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,719 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,621 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,567 |
| New England States | 0 | - | 4.51 | 59,699 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,437 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,877 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,272 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,601 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,642 |
| U.S. States by Borders | 0 | - | 4.63 | 35,050 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,215 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,096 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,969 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,278 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,759 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,398 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,842 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,191 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,386 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,905 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,272 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,127 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,802 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,528 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,320 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,108 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,181 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 10,931 |
| Geography A-Z #4 | 0 | - | 4.36 | 25,751 |
| 16th Century A-Z | 0 | - | 4.58 | 24,364 |
| 15th Century A-Z | 0 | - | 4.49 | 23,379 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,847 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,034 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,047 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,054 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,835 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,326 |
| Top U.S. Universities | 0 | - | 4.15 | 143,953 |
| Largest United States Airlines | 0 | - | 4.39 | 54,820 |
| U.S. States by Governor | 0 | - | 4.43 | 17,976 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,563 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,533 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,744 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,981 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,260 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,015 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,946 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,756 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,008 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,382 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,656 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 34,510 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,069 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,427 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,100 |
| Switzerland A-Z | 0 | - | 4.45 | 25,494 |
| NATO Military Alphabet | 0 | - | 4.98 | 553,589 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,450 |
| Geography by Letter - A | 0 | - | 4.74 | 209,937 |
| Geography by Letter - B | 0 | - | 4.56 | 183,107 |
| Geography by Letter - H | 0 | - | 4.69 | 149,162 |
| Geography by Letter - C | 0 | - | 4.47 | 157,424 |
| Geography by Letter - D | 0 | - | 4.50 | 149,363 |
| Geography by Letter - E | 0 | - | 4.42 | 146,537 |
| Geography by Letter - I | 0 | - | 4.42 | 121,092 |
| Geography by Letter - K | 0 | - | 4.53 | 117,224 |
| Geography by Letter - L | 0 | - | 4.43 | 147,501 |
| Geography by Letter - M | 0 | - | 4.49 | 117,511 |
| Geography by Letter - N | 0 | - | 4.51 | 126,133 |
| Geography by Letter - P | 0 | - | 4.47 | 175,020 |
| Geography by Letter - R | 0 | - | 4.43 | 130,178 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,246 |
| Geography by Letter - U | 0 | - | 4.54 | 141,926 |
