| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,062 |
| US States Quiz | 0 | - | 5.00 | 16,971,086 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,490 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,110 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,920 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,242 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,337 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,955 |
| US States with an Empty Map | 0 | - | 5.00 | 627,801 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,471 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,620 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,303 |
| Draw All US State Borders | 0 | - | 4.99 | 140,182 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,864 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,165 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,983 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,001 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,296 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,701 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,686 |
| US States and State Capitals | 0 | - | 4.99 | 164,865 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,553,111 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,086 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,885 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,806 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,534 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,269 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,200 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,466 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,547 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,690,858 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,397,290 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,741 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,355 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,164 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,115 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,823 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,488 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,740 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,771 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,894 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,140 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,975 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,501 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,374 |
| Random U.S. City to State | 0 | - | 4.45 | 76,799 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,046 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,380 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,344 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,355 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,300 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,303 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,011 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,707 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,335 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,725 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,384 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,662 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,288 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,097 |
| Boroughs of New York City | 0 | - | 4.47 | 84,894 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,107 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,888 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,533 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,909 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,070 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,038 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,553 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,352 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,096 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,853 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,688 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,749 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,835 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,159 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,371 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,172 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,327 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,238 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,648 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,738 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,812 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,848 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,475 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,509 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,690 |
| ALL California Cities | 0 | - | 4.37 | 43,205 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,255 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,846 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,386 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,071 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,674 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,043 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,779 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,830 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,548 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,501 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,345 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,033 |
| Biggest Cities in the World | 0 | - | 4.92 | 804,312 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,192 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,175 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,628 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,821 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,837 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,520 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,476 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,159 |
| Every City in Montana on a Map | 0 | - | 4.41 | 4,907 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,609 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,655 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,777 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,047 |
| Regions of U.S. States | 0 | - | 4.37 | 44,124 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,353 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,410 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,206 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,830 |
| Countries with Megacities | 0 | - | 4.99 | 266,451 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,535 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,928 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,836 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,045 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,404 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,865 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,095 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,339 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,677 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,387 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,628 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,478 |
| Name a City - U.S. States | 0 | - | 4.40 | 30,328 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,853 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,703 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,696 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,732 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,266 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,115 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,843 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,768 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,027 |
| Miami City Trivia | 0 | - | 4.60 | 11,259 |
| All About Atlanta | 0 | - | 4.60 | 11,283 |
| Dallas City Trivia | 0 | - | 4.46 | 6,862 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,979 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,500 |
| Rivers of the United States | 0 | - | 4.93 | 66,581 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,153 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,354 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,112 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,526 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,958 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,429 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,515 |
| U.S. States with the Most National Parks | 0 | - | 4.65 | 25,943 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,190 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,937 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,097 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,335 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,209 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,792 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,527 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,808 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,092 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,495 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,797 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,754 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,024 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,288 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,406 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,632 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,142 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,260 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,814 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,527 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,593 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,117 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,268 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,076 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,459 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,926 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,578 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,926 |
| Name a City - European Countries | 0 | - | 4.90 | 66,019 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,629 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,664 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,652 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,663 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,288 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,928 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,297 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,818 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,680 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,950 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,410 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 63,977 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,804 |
| State Quiz - Florida | 0 | - | 4.47 | 62,548 |
| State Quiz - Texas | 0 | - | 4.43 | 63,121 |
