| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,530,562 |
| US States Quiz | 0 | - | 5.00 | 14,771,487 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 126,034 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,417 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,634 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,488 |
| US States with an Empty Map | 0 | - | 5.00 | 555,070 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 173,042 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 150,111 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 61,593 |
| Draw All US State Borders | 0 | - | 4.99 | 93,670 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,949 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 71,415 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,312 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,245 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,229 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 38,142 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 185,032 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 88,968 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,405 |
| Random State Capital to U.S. State | 0 | - | 4.86 | 74,844 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,469 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,515 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 120,227 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,250,498 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 79,883 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 39,120 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,416 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,659 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,403 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 34,024 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.76 | 38,826 |
| Random U.S. City to State | 0 | - | 4.44 | 65,804 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,395,038 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,246,828 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 100,358 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 100,867 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,152 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 205,673 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 161,197 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,672 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,023 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 88,290 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 91,059 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 52,032 |
| U.S. States that Border Canada | 0 | - | 4.90 | 165,962 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,034 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,624 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,813 |
| Name a City - U.S. States | 0 | - | 4.41 | 24,505 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,898 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,983 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,659 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,064 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,267 |
| Boroughs of New York City | 0 | - | 4.44 | 77,218 |
| Longest U.S. State Borders | 0 | - | 4.65 | 34,305 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.70 | 59,977 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,238 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 195,246 |
| Sports Teams by State Quiz | 0 | - | 4.19 | 91,365 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,438 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,001 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 30,477 |
| ALL California Cities | 0 | - | 4.35 | 39,171 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 116,255 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.70 | 31,797 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.57 | 44,089 |
| U.S. State Capital Etymology | 0 | - | 4.51 | 34,494 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.72 | 32,361 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.44 | 51,082 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.76 | 36,877 |
| U.S. States by Clue #1 | 0 | - | 4.47 | 33,085 |
| U.S. States with More Cows than People | 0 | - | 4.58 | 39,295 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 62,210 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 46,348 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,714 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,060 |
| U.S. States with Spanish Names | 0 | - | 4.48 | 67,704 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.89 | 17,131 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 69,394 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 44,124 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,541 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,356 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,757 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,313,222 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,978 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,523 |
| Countries with Megacities | 0 | - | 4.99 | 197,822 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 172,049 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,243 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 95,885 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,218 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,562 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.98 | 41,950 |
| Biggest Cities in the World | 0 | - | 4.89 | 688,806 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,436 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,311 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,810 |
| Cities on Interstate 95 on a Map | 0 | - | 4.54 | 21,190 |
| Cities on Interstate 90 on a Map | 0 | - | 4.41 | 27,974 |
| U.S. City Nicknames | 0 | - | 4.22 | 99,374 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,473 |
| Every City in Washington State on a Map | 0 | - | 4.49 | 8,866 |
| Every City in Michigan on a Map | 0 | - | 4.43 | 6,066 |
| New York City Trivia #1 | 0 | - | 4.14 | 33,876 |
| Washington D.C. Trivia | 0 | - | 4.44 | 31,279 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 124,623 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 274,730 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,058 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,777 |
| U.S. States by Unofficial Motto | 0 | - | 4.45 | 21,257 |
| Shrinking U.S. States | 0 | - | 4.40 | 37,871 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 371,993 |
| Biggest Cities in the United States | 0 | - | 4.93 | 824,064 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 334,603 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,944 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.96 | 93,011 |
| Cities Founded by the French in North America | 0 | - | 4.52 | 38,616 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.55 | 5,751 |
| Africa Capitals Quiz | 0 | - | 4.99 | 635,823 |
| Asia Capitals Quiz | 0 | - | 4.98 | 595,254 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 106,320 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,152 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 30,967 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.24 | 13,249 |
| Miami City Trivia | 0 | - | 4.53 | 10,492 |
| All About Atlanta | 0 | - | 4.59 | 10,331 |
| Dallas City Trivia | 0 | - | 4.47 | 6,052 |
| Countries Closest to Alaska | 0 | - | 4.92 | 99,142 |
| Countries Closest to Maine | 0 | - | 4.85 | 59,043 |
| Mexico True or False? | 0 | - | 4.91 | 43,098 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,043 |
| Rivers of the United States | 0 | - | 4.91 | 57,101 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 105,828 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,076 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,470 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.37 | 54,574 |
| Events by U.S. State #1 | 0 | - | 4.41 | 21,784 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.46 | 25,475 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.49 | 21,384 |
| U.S. States with the Most National Parks | 0 | - | 4.62 | 21,176 |
| Image to U.S State - Multiple Choice | 0 | - | 4.43 | 23,709 |
| A Superlative for Every U.S. State | 0 | - | 4.47 | 24,939 |
| U.S States with the Most Cows | 0 | - | 4.60 | 18,204 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,099 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,254 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 245,330 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,211 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 100,998 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 70,181 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,621 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,592 |
| Biggest City in Every Country | 0 | - | 4.97 | 79,127 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,565 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 170,328 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,338 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,621 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,129 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,695 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 515,054 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,456 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,461 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,854 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,449 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,429 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,663 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 14,724 |
| U.S. Cities Chain | 0 | - | 4.04 | 18,419 |
| California Cities starting with SAN or SANTA | 0 | - | 4.24 | 11,012 |
| Word Scramble - U.S. Cities | 0 | - | 4.07 | 18,476 |
| Name a City - European Countries | 0 | - | 4.95 | 52,058 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.40 | 11,630 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 26,986 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.28 | 50,832 |
| Snowiest U.S. State Capitals | 0 | - | 4.43 | 27,230 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 164,196 |
| Hottest U.S. State Capitals | 0 | - | 4.76 | 21,742 |
| Coldest U.S. State Capitals | 0 | - | 4.57 | 18,967 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.37 | 19,740 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 60,345 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,662 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,586 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.45 | 39,412 |
| State Quiz - Florida | 0 | - | 4.43 | 55,962 |
| State Quiz - Texas | 0 | - | 4.43 | 56,395 |
| State Quiz - Virginia | 0 | - | 4.51 | 33,024 |
| State Quiz - New York | 0 | - | 4.47 | 36,762 |
| State Quiz - Washington | 0 | - | 4.45 | 32,417 |
| State Quiz - California | 0 | - | 4.66 | 56,782 |
| State Quiz - Alaska | 0 | - | 4.43 | 37,643 |
| State Quiz - Pennsylvania | 0 | - | 4.49 | 42,350 |
| Most Populous Countries by Year | 0 | - | 4.81 | 93,945 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,823 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,828 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,544 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,682 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,479 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 86,029 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,152 |
