| Canada A-Z | 0 | - | 4.73 | 32,977 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,061 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 57,910 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,143 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,731 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,954 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 194,018 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 302,039 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,528 |
| US States Quiz | 0 | - | 5.00 | 17,002,318 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,014 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,063 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,014 |
| Africa A-Z | 0 | - | 4.57 | 46,779 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,867 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,738 |
| States of Mexico | 0 | - | 4.96 | 178,350 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,682 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,510 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,447 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,590 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,620 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,114 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,750 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,726 |
| Middle East A-Z | 0 | - | 4.47 | 46,248 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,091 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,620 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,619 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,663 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,619 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,389 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,549 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,728 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,655 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,804 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,010 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,733 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,827 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,606 |
| Pixelated United States Map | 0 | - | 4.88 | 94,835 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,592 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,472 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,823 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,103 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,308 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,340 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,392 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,411 |
| U.S. States By Population | 0 | - | 4.92 | 154,176 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,259 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,915 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,550 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,127 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,630 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,521 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,387 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,409 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,264 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,719 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,332 |
| US States with an Empty Map | 0 | - | 5.00 | 628,900 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,499 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,057 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,208 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,427 |
| South America A-Z | 0 | - | 4.15 | 10,948 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,917 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,611 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,903 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,557 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,892 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,231 |
| European Geography A-Z | 0 | - | 4.29 | 49,489 |
| Flags of North and South America | 0 | - | 4.99 | 377,272 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 53,162 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 49,185 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,459 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,935 |
| Belize Country Quiz | 0 | - | 4.85 | 21,098 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,424 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,867 |
| France A-Z | 0 | - | 4.16 | 38,344 |
| Switzerland A-Z | 0 | - | 4.45 | 25,772 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,447 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 77,773 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,360 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,025 |
| People on Money - United States | 0 | - | 4.31 | 63,436 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,588 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,175 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,261 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,660 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,114 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,155 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,186 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,658 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,215 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,824 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,115 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,700 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,512 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,046 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,483 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,094 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,681 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,230 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,678 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,332 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,331 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,373 |
| Countries that Start with B | 0 | - | 4.95 | 2,307,085 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,946 |
| Countries that Start with D | 0 | - | 4.96 | 716,775 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,493 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,950 |
| Countries that Start with H | 0 | - | 4.96 | 609,826 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,885 |
| Countries that Start with J | 0 | - | 4.98 | 607,200 |
| Countries that Start with K | 0 | - | 4.97 | 821,010 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,128 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,196 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,344 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,571 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,134 |
| Countries that Start with U | 0 | - | 4.97 | 908,664 |
| Countries that Start with V | 0 | - | 4.98 | 612,147 |
| Countries that Start with F | 0 | - | 4.83 | 621,488 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,598 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,563 |
| The Only American Country ... | 0 | - | 4.92 | 122,236 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,690 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,867 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,965 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,908 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,638 |
| States of Brazil | 0 | - | 4.97 | 89,797 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,756 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,850 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,680 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,283 |
| United States Country Quiz | 0 | - | 4.43 | 102,233 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,076 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,071 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,108 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,706 |
| Canada Country Quiz | 0 | - | 4.55 | 133,075 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,624 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,107 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,557 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,217 |
| African Geography A-Z | 0 | - | 4.33 | 21,537 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,112 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,619 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,342 |
| U.S. Geography by Letter - W | 0 | - | 3.86 | 23,855 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,767 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,019 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,351 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,764 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,253 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,820 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,077 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,949 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,114 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,725 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,485 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,568 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,264 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,154 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,125 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,539 |
| New England States | 0 | - | 4.51 | 59,901 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,154 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,110 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,069 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,123 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,661 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,095 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,168 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,293 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,154 |
| U.S. States by Borders | 0 | - | 4.62 | 35,488 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,688 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,350 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,952 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,151 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,456 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,988 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,576 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,839 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,235 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,373 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,231 |
| O Canada Lyrics | 0 | - | 4.47 | 51,070 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,947 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,324 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,587 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,290 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,057 |
