| Canada A-Z | 0 | - | 4.73 | 32,958 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,878 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,299 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,084 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,622 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,888 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,884 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,918 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,460 |
| US States Quiz | 0 | - | 5.00 | 16,987,140 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,705 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,947 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,964 |
| Africa A-Z | 0 | - | 4.57 | 46,761 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,815 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,551 |
| States of Mexico | 0 | - | 4.96 | 178,088 |
| 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 | 112,338 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,475 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,292 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,082 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,693 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,522 |
| Middle East A-Z | 0 | - | 4.47 | 46,233 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,990 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,588 |
| 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 | 39,670 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,838 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,586 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,804 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,180 |
| Pixelated United States Map | 0 | - | 4.88 | 94,774 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,482 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,401 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,723 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,016 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,217 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,233 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,286 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,304 |
| U.S. States By Population | 0 | - | 4.92 | 154,095 |
| 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 | 64,521 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,061 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,601 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,151 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,343 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,375 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,154 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,588 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,243 |
| US States with an Empty Map | 0 | - | 5.00 | 628,319 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,415 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,002 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,010 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,121 |
| South America A-Z | 0 | - | 4.15 | 10,943 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,515 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,446 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,801 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,433 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,781 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,180 |
| European Geography A-Z | 0 | - | 4.29 | 49,473 |
| Flags of North and South America | 0 | - | 4.99 | 376,668 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 53,052 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 49,062 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,332 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,790 |
| Belize Country Quiz | 0 | - | 4.85 | 21,078 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,904 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,830 |
| France A-Z | 0 | - | 4.16 | 38,327 |
| Switzerland A-Z | 0 | - | 4.45 | 25,759 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,242 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 76,631 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,205 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,012 |
| People on Money - United States | 0 | - | 4.31 | 63,430 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,541 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,131 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,964 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,264 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,585 |
| European Geography By Letter - D | 0 | - | 4.50 | 112,344 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,854 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,273 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,963 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,460 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,727 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,416 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,292 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,988 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,420 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,032 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,628 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,165 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,626 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,285 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,264 |
| Countries that Start with A | 0 | - | 4.98 | 2,174,768 |
| Countries that Start with B | 0 | - | 4.95 | 2,305,584 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,773 |
| Countries that Start with D | 0 | - | 4.96 | 715,947 |
| Countries that Start with E | 0 | - | 4.95 | 1,384,507 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,921 |
| Countries that Start with H | 0 | - | 4.96 | 609,229 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,124 |
| Countries that Start with J | 0 | - | 4.98 | 606,623 |
| Countries that Start with K | 0 | - | 4.97 | 820,415 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,349 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,422 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,609 |
| Countries that Start with S | 0 | - | 4.98 | 1,762,554 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,577 |
| Countries that Start with U | 0 | - | 4.97 | 908,235 |
| Countries that Start with V | 0 | - | 4.98 | 611,803 |
| Countries that Start with F | 0 | - | 4.83 | 621,041 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,774 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,545 |
| The Only American Country ... | 0 | - | 4.92 | 122,181 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,618 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,798 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,962 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,752 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,547 |
| States of Brazil | 0 | - | 4.97 | 89,611 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,721 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,773 |
| 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 | 102,152 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,054 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,869 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,726 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,628 |
| Canada Country Quiz | 0 | - | 4.55 | 133,011 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,582 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,097 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,545 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,190 |
| African Geography A-Z | 0 | - | 4.33 | 21,530 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,092 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,595 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,803 |
| U.S. Geography by Letter - W | 0 | - | 3.86 | 23,703 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,732 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,983 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,335 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,736 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,233 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,798 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,986 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,872 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,024 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,491 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,411 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,442 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,108 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,134 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,104 |
| 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 | 53,125 |
| 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 | 65,619 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 56,491 |
| 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 | 40,104 |
| 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 | 114,193 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,363 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,101 |
| O Canada Lyrics | 0 | - | 4.47 | 51,060 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,895 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,933 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,243 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,019 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,736 |
