| Canada A-Z | 0 | - | 4.73 | 32,786 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,334 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,810 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,272 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,223 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,964 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,862 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,335 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,665 |
| Africa A-Z | 0 | - | 4.57 | 46,576 |
| US States Quiz | 0 | - | 5.00 | 16,840,246 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,426 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,450 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,470 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,460 |
| States of Mexico | 0 | - | 4.95 | 175,643 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,557 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,825 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,368 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,251 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,368 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,819 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,117 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,682 |
| Middle East A-Z | 0 | - | 4.47 | 45,982 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,813 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,181 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,019 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,013 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,009 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,690 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,461 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,282 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,065 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,239 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,042 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,407 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,267 |
| Pixelated United States Map | 0 | - | 4.87 | 94,108 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,401 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,558 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,578 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,674 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,206 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,241 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,753 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,019 |
| U.S. States By Population | 0 | - | 4.92 | 153,056 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,239 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,346 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,124 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,494 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,272 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,069 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,594 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,123 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,189 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,613 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,432 |
| US States with an Empty Map | 0 | - | 5.00 | 623,528 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,625 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,353 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,791 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,959 |
| South America A-Z | 0 | - | 4.13 | 10,897 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,390 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,511 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,518 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,446 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,846 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,841 |
| European Geography A-Z | 0 | - | 4.29 | 49,214 |
| Flags of North and South America | 0 | - | 4.99 | 372,189 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,710 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,728 |
| U.S. Geography by Letter - F | 0 | - | 3.87 | 44,975 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,451 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 30,953 |
| Belize Country Quiz | 0 | - | 4.85 | 20,944 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,602 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,451 |
| France A-Z | 0 | - | 4.16 | 38,181 |
| Switzerland A-Z | 0 | - | 4.45 | 25,625 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 130,105 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 67,989 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,892 |
| People on Money - United States | 0 | - | 4.31 | 63,326 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,063 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,668 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,482 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,706 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,434 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,154 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,203 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,233 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,291 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,611 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,508 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,838 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,200 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,419 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,280 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,085 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,641 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,372 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,835 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,313 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,966 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,781 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,534 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,467 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,682 |
| Countries that Start with D | 0 | - | 4.96 | 707,948 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,235 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,914 |
| Countries that Start with H | 0 | - | 4.96 | 603,385 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,470 |
| Countries that Start with J | 0 | - | 4.98 | 601,203 |
| Countries that Start with K | 0 | - | 4.97 | 814,535 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,213 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,184 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,666 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,777 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,704 |
| Countries that Start with U | 0 | - | 4.97 | 903,550 |
| Countries that Start with V | 0 | - | 4.98 | 608,581 |
| Countries that Start with F | 0 | - | 4.83 | 616,517 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,968 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,326 |
| African Geography A-Z | 0 | - | 4.33 | 21,469 |
| The Only American Country ... | 0 | - | 4.92 | 121,443 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,974 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,005 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,939 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,704 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,923 |
| States of Brazil | 0 | - | 4.97 | 87,714 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,468 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,235 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,566 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,162 |
| United States Country Quiz | 0 | - | 4.43 | 101,365 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,833 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,562 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,595 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,936 |
| Canada Country Quiz | 0 | - | 4.54 | 132,358 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,092 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,004 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,452 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,909 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 58,937 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,791 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,343 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,607 |
| U.S. Geography by Letter - W | 0 | - | 3.86 | 23,361 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,354 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,651 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,141 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,443 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,037 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,562 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,093 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,071 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,070 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,251 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,620 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,920 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,554 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,933 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,837 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,308 |
| New England States | 0 | - | 4.51 | 59,785 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,863 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,724 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,751 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,988 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,442 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,157 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,720 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,932 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,881 |
| U.S. States by Borders | 0 | - | 4.61 | 35,269 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,441 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,973 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,756 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,734 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,186 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,859 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,471 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,737 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,426 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,292 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,113 |
| O Canada Lyrics | 0 | - | 4.47 | 50,917 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,449 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,313 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,637 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,803 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,457 |
