| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,119 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,595 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,610 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,291 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,087 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,355 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,434 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,122 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,659 |
| 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 | 54,833 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,680 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,420 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,188 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,897 |
| US States with an Empty Map | 0 | - | 5.00 | 618,049 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 123,995 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,893 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,949 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,273 |
| 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 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,456 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,420 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,775 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,543 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,925 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,504 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,067 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,501 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 114,800 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,556 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,205 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,587 |
| US States Quiz | 0 | - | 5.00 | 16,676,711 |
| U.S. States that Border Canada | 0 | - | 4.91 | 181,809 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,242 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,435 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,640 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,599 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,697 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,134 |
| 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 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,033 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,515,917 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,116 |
| The Most Populous U.S. City by Category | 0 | - | 4.35 | 22,239 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,756 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,171 |
| 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 | 23,795 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,499 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,105 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,438 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,600 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,731 |
| Biggest Cities in Germany | 0 | - | 4.95 | 290,928 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,959 |
| Random U.S. City to State | 0 | - | 4.45 | 75,186 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,102 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,916 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,257 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,756 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,662,351 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,378,902 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,522 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,441 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,769 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,496 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,188 |
| Biggest Cities in the United States | 0 | - | 4.93 | 964,906 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,445 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,131 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,914 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,851 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 46,993 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,561 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,259 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,520 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,298 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,737 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,803 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,557 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,506 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,472 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,202 |
| Countries by Capital City | 0 | - | 5.00 | 66,442 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,218 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,801 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,329 |
| Moved Capital Cities | 0 | - | 4.96 | 73,504 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,038 |
| Random Country to Capital | 0 | - | 4.98 | 910,391 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,957 |
| Boroughs of New York City | 0 | - | 4.47 | 84,053 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,119 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,178 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,357 |
| Rivers of the United States | 0 | - | 4.93 | 65,423 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,024 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,428 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,523 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,382 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,453 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,624 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,547 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,299 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,367 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,511 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,383 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,884 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,863 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,928 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,042 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,624 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,538 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,230 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,249 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,923 |
| North American Sports Cities | 0 | - | 4.83 | 170,740 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,877 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,630 |
| Name a City - European Countries | 0 | - | 4.92 | 64,257 |
| Name a Valid World City | 0 | - | 4.83 | 69,982 |
| Cities by Former Name | 0 | - | 4.84 | 90,858 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,631 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,182 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,759 |
| World Capitals by Map | 0 | - | 5.00 | 282,776 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,595 |
| Capitals Starting With H | 0 | - | 4.90 | 88,078 |
| Capitals Starting With K | 0 | - | 4.85 | 75,441 |
| Capitals Starting With M | 0 | - | 4.93 | 105,722 |
| Capitals Starting With P | 0 | - | 4.88 | 76,965 |
| Capitals Starting With R | 0 | - | 4.87 | 80,770 |
| Capitals Starting With S | 0 | - | 4.89 | 84,570 |
| Capitals Starting With T | 0 | - | 4.84 | 75,110 |
| Capitals Starting With W | 0 | - | 4.89 | 90,432 |
| Capitals Starting With A | 0 | - | 4.97 | 126,228 |
| Capitals Starting With B | 0 | - | 4.89 | 116,996 |
| Capitals Starting With D | 0 | - | 4.93 | 95,089 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,562 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.40 | 23,185 |
| U.S. State Capitals with the Most Precipitation | 0 | - | 4.20 | 12,702 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,682 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,646 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,302 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,430 |
| 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 | 66,142 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,725 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,077 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,962 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,249 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,230 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,393 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,644 |
| 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 | 61,892 |
| State Quiz - Texas | 0 | - | 4.43 | 62,450 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,523 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,001 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,296 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,215 |
| State Quiz - New York | 0 | - | 4.52 | 45,690 |
| State Quiz - Washington | 0 | - | 4.45 | 36,129 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,117 |
| State Quiz - California | 0 | - | 4.68 | 63,904 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,755 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,460 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,844 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,571 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,872 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,181 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,667 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,682 |
| Largest City by Island | 0 | - | 4.87 | 70,931 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,187 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,382 |
| Biggest European Cities by Century | 0 | - | 4.98 | 129,357 |
| Megacities on a World Map | 0 | - | 4.98 | 250,123 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,709 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,732 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,064 |
