| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,945 |
| US States Quiz | 0 | - | 5.00 | 16,676,521 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,119 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,593 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,609 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,287 |
| US States with an Empty Map | 0 | - | 5.00 | 618,042 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,212 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,963 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| Draw All US State Borders | 0 | - | 4.99 | 133,113 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,520 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,439 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,767 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,456 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,417 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,924 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,087 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,353 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,433 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,030 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,515,888 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,892 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,656 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,120 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,658 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,580 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,143 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,832 |
| Random U.S. City to State | 0 | - | 4.45 | 75,186 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,101 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,662,344 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,378,895 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,773 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,541 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,504 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,688 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,791 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,666 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,886 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,754 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,587 |
| U.S. States that Border Canada | 0 | - | 4.91 | 181,802 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,757 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,744 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,678 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,419 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,187 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,897 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,519 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,036 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,563 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,556 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,139 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 25,997 |
| Boroughs of New York City | 0 | - | 4.47 | 84,052 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,107 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,541 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,314 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,343 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,618 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,957 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,246 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,454 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,834 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,963 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,949 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,091 |
| ALL California Cities | 0 | - | 4.36 | 42,791 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,377 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,566 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,005 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,770 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,301 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,828 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,646 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,302 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,493 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,403 |
| U.S. States by Clue #1 | 0 | - | 4.52 | 38,519 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,413 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,141 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,051 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,724 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,075 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,228 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,359 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,390 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,644 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,233 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,451 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,261 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,376 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,973 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,849 |
| Countries with Megacities | 0 | - | 4.99 | 246,130 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,761 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,726 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,228 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,660 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,515 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,096 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 123,995 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 114,799 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,301 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,431 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,629 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,674 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,153 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 12,993 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,574 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,331 |
| Every City in Michigan on a Map | 0 | - | 4.48 | 9,248 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,595 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,255 |
| Regions of U.S. States | 0 | - | 4.37 | 43,401 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,754 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,333 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 22,982 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,173 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,182 |
| Biggest Cities in the United States | 0 | - | 4.93 | 964,889 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,437 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,696 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,272 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,259 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,579 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,416 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,282 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,727 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,449 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,883 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,484 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,957 |
| Miami City Trivia | 0 | - | 4.60 | 11,183 |
| All About Atlanta | 0 | - | 4.60 | 11,201 |
| Dallas City Trivia | 0 | - | 4.46 | 6,769 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,177 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,357 |
| Rivers of the United States | 0 | - | 4.93 | 65,423 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,956 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,217 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,920 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,153 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,826 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,193 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,359 |
| U.S. States with the Most National Parks | 0 | - | 4.64 | 25,351 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,884 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,510 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,794 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,023 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,713 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,659 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,740 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,388 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,477 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,141 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,426 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,380 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,448 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,623 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,544 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,299 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,366 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,505 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,380 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,927 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,040 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,623 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,536 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,230 |
| The Most Populous U.S. City by Category | 0 | - | 4.35 | 22,239 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,817 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,423 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,622 |
| Name a City - European Countries | 0 | - | 4.92 | 64,256 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,168 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,518 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,421 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,038 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,794 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,682 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,430 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,375 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,051 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,352 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,543 |
| State Quiz - Florida | 0 | - | 4.47 | 61,890 |
| State Quiz - Texas | 0 | - | 4.43 | 62,450 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,521 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,001 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,294 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,213 |
