| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,797 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,883 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,248 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,801 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 147,010 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,553 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,771 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,699 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,473 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,108 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,950 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,487 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,334 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,259 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,977 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,677 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,308 |
| US States with an Empty Map | 0 | - | 5.00 | 627,217 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,954 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,152 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,164 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,474 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,312 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,817 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,331 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,035 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,638 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,024 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,900 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,911 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,644 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,269 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,600 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,120 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,766 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,318 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,954 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,683 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,353 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,333 |
| US States Quiz | 0 | - | 5.00 | 16,954,549 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,086 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,317 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,248 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,390 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,070 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,261 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,277 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,173 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,654 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,275 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,091 |
| US States and State Capitals | 0 | - | 4.99 | 164,459 |
| Fifty US States in One Minute | 0 | - | 4.62 | 3,550,278 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,986 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,443 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,020 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,053 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,597 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,648 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,544 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,275 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,921 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,291 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,757 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,259 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,218 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,907 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,411 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,199 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,594 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,315 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,713 |
| Random U.S. City to State | 0 | - | 4.45 | 76,712 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,985 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,953 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,930 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,315 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,689,050 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,396,406 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,716 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,063 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,834 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,142 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,661 |
| Biggest Cities in the United States | 0 | - | 4.94 | 983,965 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,392 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,919 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,411 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,365 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,603 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,855 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,934 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,458 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,785 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,757 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,868 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,772 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,959 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,889 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,738 |
| Countries by Capital City | 0 | - | 5.00 | 69,013 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,613 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,028 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,610 |
| Moved Capital Cities | 0 | - | 4.96 | 74,499 |
| Random Capital to Country | 0 | - | 4.99 | 2,597,754 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,734 |
| Random Country to Capital | 0 | - | 4.98 | 925,104 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,022 |
| Boroughs of New York City | 0 | - | 4.47 | 84,850 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,091 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,866 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,431 |
| Rivers of the United States | 0 | - | 4.93 | 66,510 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,258 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,632 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,606 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,535 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,661 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,133 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,743 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,495 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,037 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,638 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,678 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,376 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,442 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,417 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,495 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,022 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,147 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,733 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,126 |
| North American Sports Cities | 0 | - | 4.83 | 172,904 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,480 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,764 |
| Name a City - European Countries | 0 | - | 4.90 | 65,918 |
| Name a Valid World City | 0 | - | 4.84 | 71,689 |
| Cities by Former Name | 0 | - | 4.83 | 91,879 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,585 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,865 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,598 |
| World Capitals by Map | 0 | - | 5.00 | 288,461 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,652 |
| Capitals Starting With H | 0 | - | 4.91 | 92,884 |
| Capitals Starting With K | 0 | - | 4.88 | 83,945 |
| Capitals Starting With L | 0 | - | 4.81 | 88,401 |
| Capitals Starting With M | 0 | - | 4.93 | 108,359 |
| Capitals Starting With P | 0 | - | 4.88 | 78,517 |
| Capitals Starting With R | 0 | - | 4.88 | 82,114 |
| Capitals Starting With S | 0 | - | 4.90 | 86,109 |
| Capitals Starting With T | 0 | - | 4.85 | 76,447 |
| Capitals Starting With W | 0 | - | 4.87 | 91,477 |
| Capitals Starting With A | 0 | - | 4.97 | 128,526 |
| Capitals Starting With B | 0 | - | 4.89 | 118,918 |
| Capitals Starting With D | 0 | - | 4.93 | 96,794 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,655 |
| U.S. State Capitals with the Most Precipitation | 0 | - | 4.20 | 12,778 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,812 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,875 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,524 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,671 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,540 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,317 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,846 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,667 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,691 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,633 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,912 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,183 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,111 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,256 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,200 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,930 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,390 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,939 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,785 |
| State Quiz - Florida | 0 | - | 4.47 | 62,493 |
| State Quiz - Texas | 0 | - | 4.43 | 63,067 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,915 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,425 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,679 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,564 |
| State Quiz - New York | 0 | - | 4.52 | 46,299 |
| State Quiz - Washington | 0 | - | 4.45 | 36,567 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,489 |
| State Quiz - California | 0 | - | 4.69 | 64,655 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,202 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,832 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,269 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,199 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,293 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,034 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,642 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,333 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,349 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,775 |
| Largest City by Island | 0 | - | 4.87 | 72,244 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,303 |
