| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,467 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,459 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,606 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,954 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,288 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,145 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,371 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,882 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,591 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,319 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,227 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,213 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,170 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,257 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,310 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,122 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,127 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,627 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,983 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,568 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,670 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,445 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,609 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,345 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,370 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,397 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,006 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,528 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,979 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,526 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,985 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,166 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,872 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,597 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,598 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,259 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,469 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,017 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,683 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,943 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,144 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,036 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,893 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,204 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,732 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,799 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,811 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,387 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,801 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,919 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,793 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,893 |
| Largest City by Island | 0 | - | 4.87 | 71,986 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,097 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,107 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,672 |
| Megacities on a World Map | 0 | - | 4.98 | 255,043 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,449 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,086 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,977 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,913 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,341 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,160 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,244 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,005 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,609 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,267 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,572 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,100 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,424 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 89,972 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,025 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,873 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,431 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,583 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,216 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,221 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,609 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,415 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,967 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,590 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,540 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,337 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,608 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,186 |
| US States and State Capitals | 0 | - | 4.99 | 163,073 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,318 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,327 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,102 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,363 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,432 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,089 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,424 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,283 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,807 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,394 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,206 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,242 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,754 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,785 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,729 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,495 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,588 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,005 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,445 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,976 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,282 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,746 |
| Countries with Megacities | 0 | - | 4.99 | 264,202 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,598 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,393 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,860 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,457 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,679 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,544 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,023 |
| Biggest City by Region | 0 | - | 4.50 | 36,259 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,175 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,213 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,368 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,332 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,216 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,150 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,439 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,393 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,181 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,475 |
| Biggest Cities in France | 0 | - | 4.70 | 224,259 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,323 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,050 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,969 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,650 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,361 |
| Biggest Cities in China | 0 | - | 4.53 | 158,864 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,263 |
| Biggest Cities in India | 0 | - | 4.64 | 67,804 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,322 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,694 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,472 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,197 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,997 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,919 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,255 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,585 |
| Rivers of the United States | 0 | - | 4.93 | 66,269 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,834 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,062 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,041 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,500 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,658 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,170 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 163,252 |
| Biggest Cities in History | 0 | - | 4.52 | 90,248 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 77,821 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,458 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,862 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,889 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,674 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,509 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,452 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,402 |
| Biggest Cities in New Jersey | 0 | - | 4.13 | 28,772 |
| Biggest Cities in California | 0 | - | 4.35 | 139,985 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,169 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,720 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,192 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,775 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,912 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,690 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,964 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,004 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,626 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,440 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,903 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,060 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,464 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,729 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,514 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,097 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,520 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,213 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,168 |
| Which City in Canada? | 0 | - | 4.83 | 57,115 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,368 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,277 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,188 |
| U.S. State Flags | 0 | - | 4.88 | 170,945 |
| Hawaiian Islands | 0 | - | 4.83 | 42,751 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,263 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,355 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,077 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,542,524 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,075 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,430 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,206 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,781 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,158 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,072 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,536 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,252 |
