| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,599 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,126 |
| Flags of North and South America | 0 | - | 4.99 | 376,653 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,499 |
| US States Quiz | 0 | - | 5.00 | 16,986,695 |
| States of Mexico | 0 | - | 4.96 | 178,081 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,564 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,432 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,337 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,473 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,287 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,082 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,692 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,521 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,626 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,803 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,177 |
| Pixelated United States Map | 0 | - | 4.88 | 94,771 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,476 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,396 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,720 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,014 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,216 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,232 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,285 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,301 |
| U.S. States By Population | 0 | - | 4.92 | 154,093 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,168 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,859 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,519 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,060 |
| Canada Country Quiz | 0 | - | 4.55 | 133,010 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,581 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,375 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,149 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,585 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,239 |
| US States with an Empty Map | 0 | - | 5.00 | 628,305 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,414 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,000 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,545 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,004 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,118 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,443 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,800 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,430 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,778 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,179 |
| O Canada Lyrics | 0 | - | 4.47 | 51,060 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,894 |
| Belize Country Quiz | 0 | - | 4.85 | 21,078 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,351 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,190 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,882 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,715 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,019 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,552 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,128 |
| Flags of Oceania | 0 | - | 5.00 | 262,460 |
| The Only American Country ... | 0 | - | 4.92 | 122,178 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,617 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,795 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,749 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,547 |
| States of Brazil | 0 | - | 4.97 | 89,610 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,721 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,670 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,272 |
| United States Country Quiz | 0 | - | 4.43 | 102,148 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,054 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,862 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,724 |
| Washington State by Picture | 0 | - | 4.26 | 7,756 |
| Canada A-Z | 0 | - | 4.73 | 32,958 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,288 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,491 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,425 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,190 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,734 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,408 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,594 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,785 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,878 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,299 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,727 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,982 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,877 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,335 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,735 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,232 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,798 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,983 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,871 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,511 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,024 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,486 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,410 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,440 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,107 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,134 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,102 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,530 |
| New England States | 0 | - | 4.51 | 59,891 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,124 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,062 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,035 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,113 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,618 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 56,264 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,122 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,269 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,132 |
| U.S. States by Borders | 0 | - | 4.62 | 35,464 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,673 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,323 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,929 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,103 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,436 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,972 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,567 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,833 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,192 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,363 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,086 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,951 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,414 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,473 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,504 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,481 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,187 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,386 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,605 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,505 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,669 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,837 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,586 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,218 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,871 |
| Top U.S. Universities | 0 | - | 4.15 | 145,768 |
| Largest United States Airlines | 0 | - | 4.39 | 55,147 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,928 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,012 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,713 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,283 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,391 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,961 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,865 |
| U.S. States by Governor | 0 | - | 4.43 | 18,111 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,764 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,466 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,772 |
| American Founding Fathers | 0 | - | 4.42 | 23,273 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,697 |
| California Groups of Things | 0 | - | 4.26 | 45,753 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,907 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,318 |
| New York Groups of Things | 0 | - | 4.39 | 71,985 |
| People on Money - United States | 0 | - | 4.31 | 63,430 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,581 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,210 |
| Events in U.S. History | 0 | - | 4.41 | 28,816 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,049 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,562 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,784 |
| Flyover States | 0 | - | 4.53 | 29,587 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,252 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,388 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,457 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,179 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,561 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,374 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,671 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,751 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,947 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,174 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,984 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 119,318 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,429 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,665 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,017 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,555 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,925 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,812 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,604 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,850 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,295 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,065 |
| Canada by Picture | 0 | - | 4.25 | 19,224 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 77,010 |
| International Footballers by Picture | 0 | - | 4.51 | 56,362 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,010 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,568 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,562 |
| Honduras Country Quiz | 0 | - | 4.52 | 24,020 |
| Panama Country Quiz | 0 | - | 4.61 | 25,930 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,703 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,579 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,843 |
| Names of Generations | 0 | - | 4.09 | 45,490 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,073 |
