| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,908 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,185 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,656 |
| US States Quiz | 0 | - | 5.00 | 17,034,516 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,300 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,189 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,973 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 239,145 |
| States of Mexico | 0 | - | 4.96 | 178,967 |
| Middle East A-Z | 0 | - | 4.47 | 46,285 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,366 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,701 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,716 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,778 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,736 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,485 |
| U.S. Geography by Letter - P | 0 | - | 4.40 | 54,650 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,806 |
| U.S. Geography by Letter - L | 0 | - | 4.08 | 41,758 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,896 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,106 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,842 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,605 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,105 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,509 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,864 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,485 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,602 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,476 |
| California Cities A-Z | 0 | - | 4.07 | 17,501 |
| Texas A-Z | 0 | - | 4.19 | 16,449 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,605 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,506 |
| US States with an Empty Map | 0 | - | 5.00 | 629,950 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,487 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,706 |
| Rivers of the United States | 0 | - | 4.93 | 66,843 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,397 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,751 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,994 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,118 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,774 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,065 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,311 |
| European Geography A-Z | 0 | - | 4.29 | 49,544 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 53,220 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 49,256 |
| U.S. Geography by Letter - F | 0 | - | 3.85 | 45,542 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 42,003 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,206 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,579 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,959 |
| France A-Z | 0 | - | 4.16 | 38,371 |
| Switzerland A-Z | 0 | - | 4.45 | 25,805 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,116 |
| Africa A-Z | 0 | - | 4.57 | 46,813 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,802 |
| People on Money - United States | 0 | - | 4.31 | 63,519 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,758 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,919 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,959 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,242 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,590 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 122,036 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,601 |
| European Geography By Letter - D | 0 | - | 4.49 | 119,156 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,530 |
| European Geography By Letter - M | 0 | - | 4.70 | 133,067 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,452 |
| European Geography By Letter - R | 0 | - | 4.43 | 95,027 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,292 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,933 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,674 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,182 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,264 |
| London A-Z | 0 | - | 4.10 | 40,921 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,569 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,184 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,750 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,314 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,753 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,425 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,438 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,727 |
| Countries that Start with B | 0 | - | 4.95 | 2,310,329 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,464 |
| Countries that Start with D | 0 | - | 4.96 | 718,523 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,567 |
| Countries that Start with G | 0 | - | 4.97 | 1,514,183 |
| Countries that Start with H | 0 | - | 4.96 | 611,092 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,667 |
| Countries that Start with J | 0 | - | 4.98 | 608,406 |
| Countries that Start with K | 0 | - | 4.97 | 822,292 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,738 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,864 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,976 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,763 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,404 |
| Countries that Start with U | 0 | - | 4.97 | 909,668 |
| Countries that Start with V | 0 | - | 4.98 | 612,859 |
| Countries that Start with F | 0 | - | 4.83 | 622,447 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,323 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,272 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 197,344 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 171,158 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 194,352 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 302,352 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,679 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,049 |
| Canada A-Z | 0 | - | 4.73 | 33,006 |
| African Geography A-Z | 0 | - | 4.33 | 21,555 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,172 |
| U.S. Geography by Letter - W | 0 | - | 3.86 | 23,921 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,972 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,856 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,945 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,676 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,113 |
| South America A-Z | 0 | - | 4.15 | 10,963 |
| States of Brazil | 0 | - | 4.98 | 90,168 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,085 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,254 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,306 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,087 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,679 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,543 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,222 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,579 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,533 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,696,791 |
| Canadian Prime Ministers | 0 | - | 4.64 | 58,055 |
| European Geography By Letter - E | 0 | - | 4.25 | 122,891 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,920 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,564 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,367 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,885 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,535 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,864 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,778 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 52,095 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,299 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,256 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,481 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,140 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,099 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,525 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,044 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 35,015 |
| Turkey A-Z | 0 | - | 4.04 | 11,947 |
| The Bible A-Z | 0 | - | 4.29 | 60,044 |
| One Country By Letter By Continent | 0 | - | 5.00 | 126,179 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,991 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,803 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,395 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 50,010 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,409 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,824 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,683 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,154 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,930 |
| Arms Exports - United States | 0 | - | 4.77 | 62,829 |
| U.S. Bill of Rights | 0 | - | 4.52 | 35,229 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,388 |
| State Quiz - Arizona | 0 | - | 4.44 | 37,035 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,256 |
| State Quiz - California | 0 | - | 4.69 | 64,967 |
| State Quiz - Florida | 0 | - | 4.47 | 62,776 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 61,056 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,888 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,853 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 54,103 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,648 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,718 |
| State Quiz - Minnesota | 0 | - | 4.41 | 39,107 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,430 |
| State Quiz - New York | 0 | - | 4.52 | 46,572 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,440 |
| State Quiz - Texas | 0 | - | 4.43 | 63,334 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,695 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,464 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,459 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,601 |
| State Quiz - Washington | 0 | - | 4.45 | 36,737 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,932 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,574 |
| U.S. States by Clue #1 | 0 | - | 4.50 | 45,648 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,213 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,196 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,911 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,786 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,955 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,576 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,998 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,222 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,739 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,796 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,741 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 65,083 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,506 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,125 |
