| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,170 |
| US States Quiz | 0 | - | 5.00 | 17,031,304 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,444 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,483 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,287 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,066 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,664 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,526 |
| US States with an Empty Map | 0 | - | 5.00 | 629,852 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,873 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,831 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,665 |
| Draw All US State Borders | 0 | - | 4.99 | 141,705 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,465 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,493 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,676 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,327 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,965 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,036 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,053 |
| US States and State Capitals | 0 | - | 4.99 | 166,161 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,405 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,237 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,243 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,085 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,871 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,389 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,345 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,291 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,520 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,802 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,696,625 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,432 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,104 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,755 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,303 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,036 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,556 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,415 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,150 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,006 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,627 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,218 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,042 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,571 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,466 |
| Random U.S. City to State | 0 | - | 4.45 | 77,068 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,230 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,567 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,176 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,475 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,384 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,444 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,129 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,797 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,415 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,379 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,533 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,690 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,138 |
| Boroughs of New York City | 0 | - | 4.47 | 85,456 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,161 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,929 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,574 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,992 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,216 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,192 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,576 |
| U.S. States by Clue #1 | 0 | - | 4.50 | 45,461 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,206 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,907 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,777 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,947 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,145 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,876 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,933 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,372 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,510 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,360 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,734 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,795 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,232 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,252 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,024 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,604 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,819 |
| ALL California Cities | 0 | - | 4.37 | 43,296 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,524 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,652 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,897 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,465 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,135 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,777 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,105 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,897 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,519 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,635 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,505 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,793 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,196 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,510 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,902 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,930 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,695 |
| U.S. City Nicknames | 0 | - | 4.26 | 103,899 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,274 |
| Every City in Arizona on a Map | 0 | - | 4.53 | 9,656 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,595 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,379 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,724 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,842 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,831 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,454 |
| Regions of U.S. States | 0 | - | 4.37 | 44,285 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,477 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,434 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,247 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,647 |
| Countries with Megacities | 0 | - | 4.99 | 268,168 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,294 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,405 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,624 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,521 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,448 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 52,147 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,376 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,817 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,660 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,714 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 120,010 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,521 |
| Name a City - U.S. States | 0 | - | 4.40 | 30,980 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,926 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,780 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,466 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,422 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,685 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,203 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,921 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,826 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,039 |
| Miami City Trivia | 0 | - | 4.60 | 11,277 |
| All About Atlanta | 0 | - | 4.60 | 11,307 |
| Dallas City Trivia | 0 | - | 4.46 | 6,879 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,376 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,738 |
| Mexico True or False? | 0 | - | 4.89 | 49,086 |
| Rivers of the United States | 0 | - | 4.93 | 66,833 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,592 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,389 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.75 | 35,142 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,583 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,985 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,471 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,550 |
| U.S. States with the Most National Parks | 0 | - | 4.65 | 26,060 |
| Image to U.S State - Multiple Choice | 0 | - | 4.46 | 26,373 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,265 |
| U.S States with the Most Cows | 0 | - | 4.63 | 30,017 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,166 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,614 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,507 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,618 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,889 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,253 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,422 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,761 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,153 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,284 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,019 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,997 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,764 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,797 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,012 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,435 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,514 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,156 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,751 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,892 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,352 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,610 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,865 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,511 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 40,194 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,612 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,949 |
| Name a City - European Countries | 0 | - | 4.89 | 66,457 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,721 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,693 |
| US State Capitals - One Minute Sprint | 0 | - | 4.04 | 185,085 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,691 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,355 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,960 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,323 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,846 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,737 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 65,079 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,502 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,117 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,856 |
