| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,746 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,782 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,220 |
| US States Quiz | 0 | - | 5.00 | 16,945,497 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,279 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,786 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,672 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,026 |
| States of Mexico | 0 | - | 4.96 | 177,335 |
| Middle East A-Z | 0 | - | 4.47 | 46,191 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,658 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,499 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,379 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,402 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,360 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,100 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,259 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,543 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,405 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,571 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,576 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,462 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,011 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,450 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,230 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,603 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,294 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,695 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,873 |
| California Cities A-Z | 0 | - | 4.06 | 17,362 |
| Texas A-Z | 0 | - | 4.19 | 16,406 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,244 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,999 |
| US States with an Empty Map | 0 | - | 5.00 | 626,900 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,622 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,751 |
| Rivers of the United States | 0 | - | 4.93 | 66,452 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,800 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,393 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,793 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,466 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,134 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,520 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,076 |
| European Geography A-Z | 0 | - | 4.29 | 49,405 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,990 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,990 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,262 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,735 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,961 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,315 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,723 |
| France A-Z | 0 | - | 4.16 | 38,295 |
| Switzerland A-Z | 0 | - | 4.45 | 25,722 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,762 |
| Africa A-Z | 0 | - | 4.57 | 46,723 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,680 |
| People on Money - United States | 0 | - | 4.31 | 63,394 |
| Fifty US States in One Minute | 0 | - | 4.62 | 3,548,903 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,782 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,899 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,007 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,171 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,575 |
| European Geography By Letter - C | 0 | - | 4.46 | 115,192 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,496 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,171 |
| European Geography By Letter - M | 0 | - | 4.69 | 131,604 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,569 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,147 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,396 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,996 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,002 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,807 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,200 |
| London A-Z | 0 | - | 4.10 | 40,841 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,312 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,900 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,536 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,052 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,515 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,183 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,112 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,910 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,945 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,318 |
| Countries that Start with D | 0 | - | 4.96 | 713,436 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,596 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,873 |
| Countries that Start with H | 0 | - | 4.96 | 607,436 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,827 |
| Countries that Start with J | 0 | - | 4.98 | 604,933 |
| Countries that Start with K | 0 | - | 4.97 | 818,576 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,114 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,162 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,499 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,529 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,820 |
| Countries that Start with U | 0 | - | 4.97 | 906,545 |
| Countries that Start with V | 0 | - | 4.98 | 610,793 |
| Countries that Start with F | 0 | - | 4.83 | 619,647 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,417 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,886 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,267 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,650 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,053 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,509 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,235 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,488 |
| Canada A-Z | 0 | - | 4.73 | 32,920 |
| African Geography A-Z | 0 | - | 4.33 | 21,509 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,999 |
| U.S. Geography by Letter - W | 0 | - | 3.86 | 23,645 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,956 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,371 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,777 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,240 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,403 |
| South America A-Z | 0 | - | 4.13 | 10,931 |
| States of Brazil | 0 | - | 4.97 | 89,013 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,872 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,719 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,747 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,708 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,209 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,749 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,076 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,467 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,395,800 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,688,284 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,757 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,396 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,734 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,597 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,278 |
| European Geography By Letter - I | 0 | - | 4.09 | 96,015 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,650 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,131 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,250 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,521 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,167 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,064 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,327 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,929 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,880 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,350 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,887 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,843 |
| Turkey A-Z | 0 | - | 4.04 | 11,887 |
| The Bible A-Z | 0 | - | 4.29 | 59,899 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,910 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,871 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,618 |
| 17th Century A-Z | 0 | - | 4.78 | 34,707 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,049 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,746 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,277 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,636 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,098 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,517 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,775 |
| Arms Exports - United States | 0 | - | 4.77 | 62,606 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,572 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,189 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,826 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,101 |
| State Quiz - California | 0 | - | 4.69 | 64,635 |
| State Quiz - Florida | 0 | - | 4.47 | 62,486 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,956 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,545 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,671 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,843 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,475 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,561 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,900 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,300 |
| State Quiz - New York | 0 | - | 4.52 | 46,285 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,261 |
| State Quiz - Texas | 0 | - | 4.43 | 63,048 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,514 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,184 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,279 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,412 |
| State Quiz - Washington | 0 | - | 4.45 | 36,553 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,865 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,518 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,297 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,040 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,949 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,835 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,646 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,654 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,533 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,882 |
| Longest U.S. State Borders | 0 | - | 4.67 | 40,011 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,611 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,701 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,660 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,901 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,379 |
