| Canada A-Z | 0 | - | 4.73 | 32,841 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,431 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,876 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,594 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,733 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,309 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,405 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,951 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,912 |
| Africa A-Z | 0 | - | 4.57 | 46,612 |
| US States Quiz | 0 | - | 5.00 | 16,880,785 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,530 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,598 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,537 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,256 |
| States of Mexico | 0 | - | 4.96 | 176,178 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,757 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,968 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,674 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,537 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,144 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,887 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,252 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,124 |
| Middle East A-Z | 0 | - | 4.47 | 46,026 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,174 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,340 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,093 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,103 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,099 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,791 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,883 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,337 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,150 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,311 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,141 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,572 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,195 |
| Pixelated United States Map | 0 | - | 4.87 | 94,289 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,712 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,792 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,817 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,898 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,456 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,469 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,044 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,328 |
| U.S. States By Population | 0 | - | 4.92 | 153,564 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,478 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,454 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,223 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,640 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,396 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,374 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,051 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,180 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,465 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,497 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,637 |
| US States with an Empty Map | 0 | - | 5.00 | 624,789 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,786 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,494 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,085 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,251 |
| South America A-Z | 0 | - | 4.13 | 10,907 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,266 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,009 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,669 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,685 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,102 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,913 |
| European Geography A-Z | 0 | - | 4.29 | 49,277 |
| Flags of North and South America | 0 | - | 4.99 | 373,240 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,750 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,775 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,041 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,508 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 31,024 |
| Belize Country Quiz | 0 | - | 4.85 | 20,982 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,702 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,524 |
| France A-Z | 0 | - | 4.16 | 38,212 |
| Switzerland A-Z | 0 | - | 4.45 | 25,648 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 151,657 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,212 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,919 |
| People on Money - United States | 0 | - | 4.31 | 63,348 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,182 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,820 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,373 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,508 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,091 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,718 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,594 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,746 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,607 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,909 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,759 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,052 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,501 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,654 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,391 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,146 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,713 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,425 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,925 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,382 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,045 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,897 |
| Countries that Start with A | 0 | - | 4.98 | 2,163,211 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,893 |
| Countries that Start with C | 0 | - | 4.96 | 1,822,514 |
| Countries that Start with D | 0 | - | 4.96 | 709,940 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,544 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,711 |
| Countries that Start with H | 0 | - | 4.96 | 604,984 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,592 |
| Countries that Start with J | 0 | - | 4.98 | 602,674 |
| Countries that Start with K | 0 | - | 4.97 | 816,042 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,018 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,003 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,396 |
| Countries that Start with S | 0 | - | 4.98 | 1,755,214 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,071 |
| Countries that Start with U | 0 | - | 4.97 | 904,683 |
| Countries that Start with V | 0 | - | 4.98 | 609,486 |
| Countries that Start with F | 0 | - | 4.83 | 617,812 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,998 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,374 |
| African Geography A-Z | 0 | - | 4.33 | 21,479 |
| The Only American Country ... | 0 | - | 4.92 | 121,641 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,140 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,208 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,946 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,952 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,092 |
| States of Brazil | 0 | - | 4.97 | 88,161 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,533 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,495 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,589 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,182 |
| United States Country Quiz | 0 | - | 4.43 | 101,544 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,891 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,882 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,822 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,115 |
| Canada Country Quiz | 0 | - | 4.54 | 132,504 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,229 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,041 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,468 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,989 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 59,110 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,864 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,421 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,052 |
| U.S. Geography by Letter - W | 0 | - | 3.86 | 23,415 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,441 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,731 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,195 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,521 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,086 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,617 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,337 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,275 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,351 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 81,719 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,842 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,522 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,983 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,989 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,895 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,352 |
| New England States | 0 | - | 4.51 | 59,811 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,933 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,807 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,824 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,015 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,492 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,190 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,829 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,018 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,937 |
| U.S. States by Borders | 0 | - | 4.61 | 35,323 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,487 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,049 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,804 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,831 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,231 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,877 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,502 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,776 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,864 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,311 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,133 |
| O Canada Lyrics | 0 | - | 4.47 | 50,946 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,547 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,837 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,996 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,122 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,792 |
