| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,213 |
| US States Quiz | 0 | - | 5.00 | 17,031,593 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,450 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,485 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,290 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,071 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,666 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,532 |
| US States with an Empty Map | 0 | - | 5.00 | 629,859 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,877 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,838 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,669 |
| Draw All US State Borders | 0 | - | 4.99 | 141,710 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,469 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,494 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,677 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,330 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,971 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,043 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,054 |
| US States and State Capitals | 0 | - | 4.99 | 166,167 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,465 |
| 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 | 63,086 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,871 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,391 |
| 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 | 183,810 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,696,642 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,441 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,107 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,757 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,303 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,042 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,558 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,418 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,152 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,008 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,636 |
| 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 | 55,467 |
| Random U.S. City to State | 0 | - | 4.45 | 77,068 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,232 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,569 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,177 |
| 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 | 49,130 |
| 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 | 95,384 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,538 |
| 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 | 52,931 |
| 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 | 40,217 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,193 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,576 |
| U.S. States by Clue #1 | 0 | - | 4.50 | 45,504 |
| 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 | 54,948 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,146 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,879 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,937 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,372 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,513 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,361 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,735 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,796 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,234 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,256 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,043 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,605 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,819 |
| ALL California Cities | 0 | - | 4.37 | 43,297 |
| 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 | 37,136 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,778 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,105 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,898 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,538 |
| 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 | 1,456,825 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,203 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,526 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,905 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,932 |
| 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 | 107,277 |
| 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 | 14,382 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,725 |
| 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 | 147,457 |
| Regions of U.S. States | 0 | - | 4.37 | 44,288 |
| 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 | 175,652 |
| Countries with Megacities | 0 | - | 4.99 | 268,175 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,296 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,411 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,633 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,523 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,448 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 52,148 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,384 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,839 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,666 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,718 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 120,026 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,521 |
| Name a City - U.S. States | 0 | - | 4.40 | 30,985 |
| 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 | 745,470 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,441 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,686 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,203 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,922 |
| 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 | 125,379 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,740 |
| Mexico True or False? | 0 | - | 4.89 | 49,090 |
| Rivers of the United States | 0 | - | 4.93 | 66,836 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,593 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,389 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.75 | 35,143 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,585 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,986 |
| 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 | 26,061 |
| 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 | 30,019 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,166 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,615 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,508 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,624 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,889 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,270 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,425 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,762 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,157 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,289 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,020 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 228,003 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,765 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,800 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,016 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,437 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,526 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,157 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,753 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,894 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,353 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,614 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,866 |
| 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 | 40,200 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,613 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,949 |
| Name a City - European Countries | 0 | - | 4.89 | 66,459 |
| 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 | 185,093 |
| 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 | 21,847 |
| 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 | 41,858 |
