| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,067 |
| US States Quiz | 0 | - | 5.00 | 16,932,390 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,996 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,655 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,434 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,129 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,616 |
| US States with an Empty Map | 0 | - | 5.00 | 626,447 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,048 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,694 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,049 |
| Draw All US State Borders | 0 | - | 4.99 | 139,068 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,503 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,915 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,623 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,731 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,631 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,989 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,413 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,336 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,643 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,596 |
| US States and State Capitals | 0 | - | 4.99 | 163,794 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,547,070 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,954 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,358 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,210 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,128 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,790 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,954 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,073 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,912 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,455 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,287 |
| Random U.S. City to State | 0 | - | 4.45 | 76,639 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,914 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,686,680 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,579 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,398 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,049 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,052 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,515 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,369 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,821 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,445 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,622 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,279 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,759 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,274 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,224 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,221 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,940 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,647 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,273 |
| Name a City - U.S. States | 0 | - | 4.38 | 28,635 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,325 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,127 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,646 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,261 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| Boroughs of New York City | 0 | - | 4.47 | 84,767 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,063 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,867 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,979 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,923 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,013 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,606 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,761 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,521 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,538 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,342 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,428 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,602 |
| ALL California Cities | 0 | - | 4.37 | 43,134 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,473 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,892 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,786 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,289 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,006 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,601 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,010 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,718 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,847 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,498 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,634 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,526 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,245 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,819 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,614 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,472 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,584 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,329 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,033 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,487 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,194 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,132 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,601 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,690 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,423 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,515 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,297 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,141 |
| Countries with Megacities | 0 | - | 4.99 | 265,151 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,956 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,604 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,219 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,675 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,676 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,076 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,715 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,729 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,588 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,763 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,490 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,424 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,365 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,017 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,546 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,541 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,747 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,785 |
| Regions of U.S. States | 0 | - | 4.37 | 44,021 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,265 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,403 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,165 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,388 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,182 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,145 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,017 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,164 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,840 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,446 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,817 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,656 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,630 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,484 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,180 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,085 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,819 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,733 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,020 |
| Miami City Trivia | 0 | - | 4.60 | 11,248 |
| All About Atlanta | 0 | - | 4.60 | 11,269 |
| Dallas City Trivia | 0 | - | 4.46 | 6,851 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,697 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,327 |
| Rivers of the United States | 0 | - | 4.93 | 66,399 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,021 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,332 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,088 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,476 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,937 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,398 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,493 |
| U.S. States with the Most National Parks | 0 | - | 4.65 | 25,830 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,132 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,876 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,058 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,133 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,023 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,382 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,268 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,637 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,832 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,294 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,464 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,306 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,269 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,927 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 146,490 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,322 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,901 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,961 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,497 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,282 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,384 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,914 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,022 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,424 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,422 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,768 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,556 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,837 |
| Name a City - European Countries | 0 | - | 4.90 | 65,770 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,554 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,634 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,374 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,253 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,906 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,286 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,799 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,648 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,880 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,366 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,894 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,758 |
| State Quiz - Florida | 0 | - | 4.47 | 62,458 |
| State Quiz - Texas | 0 | - | 4.43 | 63,003 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,881 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,390 |
