| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,423 |
| US States Quiz | 0 | - | 5.00 | 16,830,695 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,610 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,015 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,218 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,561 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,462 |
| US States with an Empty Map | 0 | - | 5.00 | 623,231 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,320 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,788 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,661 |
| Draw All US State Borders | 0 | - | 4.99 | 136,579 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,719 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,378 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,887 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,226 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,418 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,824 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,795 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,815 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,049 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,030 |
| US States and State Capitals | 0 | - | 4.99 | 161,247 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,633 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,629 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,014 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,069 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,034 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,123 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,807 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,907 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,772 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,335 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,108 |
| Random U.S. City to State | 0 | - | 4.45 | 76,107 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,614 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,676,618 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,389,023 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,477 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,392 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,833 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,415 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,494 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,006 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,613 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,340 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,008 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,331 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,091 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,065 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,011 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,739 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,469 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,111 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,669 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,482 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,531 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,614 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,220 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,047 |
| Boroughs of New York City | 0 | - | 4.47 | 84,475 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,986 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,746 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,709 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,700 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,845 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,318 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,831 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,643 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,873 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,804 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,239 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,411 |
| ALL California Cities | 0 | - | 4.37 | 42,985 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,445 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,202 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,701 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,190 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,893 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,493 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,942 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,312 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,768 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,437 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,048 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,476 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,980 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,661 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,429 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,306 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,921 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,975 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,738 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,446 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,896 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,956 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,467 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,593 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,356 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,018 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,654 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,966 |
| Countries with Megacities | 0 | - | 4.99 | 258,445 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,836 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,955 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,119 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,964 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,250 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,519 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,621 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,353 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,461 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,643 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,756 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,327 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,207 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,825 |
| Every City in Alabama on a Map | 0 | - | 4.73 | 8,454 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,441 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,696 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,133 |
| Regions of U.S. States | 0 | - | 4.37 | 43,790 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,100 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,369 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,101 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,318 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,443 |
| Biggest Cities in the United States | 0 | - | 4.93 | 975,366 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,507 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,667 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,838 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,373 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,723 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,578 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,782 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,947 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,845 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,007 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,743 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,999 |
| Miami City Trivia | 0 | - | 4.60 | 11,222 |
| All About Atlanta | 0 | - | 4.60 | 11,243 |
| Dallas City Trivia | 0 | - | 4.46 | 6,820 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,097 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,969 |
| Rivers of the United States | 0 | - | 4.93 | 66,070 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,393 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,291 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,022 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,335 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,898 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,338 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,451 |
| U.S. States with the Most National Parks | 0 | - | 4.65 | 25,639 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,050 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,732 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,944 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,711 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,538 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,372 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,660 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,253 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,354 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,913 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,442 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,883 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,080 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,859 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,743 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,347 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,185 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,945 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,431 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,658 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,758 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,209 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,355 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,821 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,349 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,357 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,512 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,730 |
| Name a City - European Countries | 0 | - | 4.90 | 65,187 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,395 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,594 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,583 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,158 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,861 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,247 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,764 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,568 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,687 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,255 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,677 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,667 |
| State Quiz - Florida | 0 | - | 4.47 | 62,232 |
| State Quiz - Texas | 0 | - | 4.43 | 62,785 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,743 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,234 |
