| Biggest Cities in the World | 0 | - | 4.91 | 801,326 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,714 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,357 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,155 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,047 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,824 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 143,099 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,225 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,826 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,911 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,387 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,218 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,331 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,863 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,952 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,206 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,721 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,499 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,871 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,109 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,040 |
| Largest City by Island | 0 | - | 4.87 | 72,094 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,190 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,246 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,811 |
| Megacities on a World Map | 0 | - | 4.98 | 255,446 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,624 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,529 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,218 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,301 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,007 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,747 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,606 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,901 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,589 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,422 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,233 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,475 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,756 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,213 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,022 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,654 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,894 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,138 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,754 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,865 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,580 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,589 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,774 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,213 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,079 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,510 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,521 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,202 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,922 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,632 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,263 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,107 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,770 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,571 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,056 |
| Biggest City by Region | 0 | - | 4.50 | 36,293 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,202 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,318 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,233 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,384 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,312 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,358 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,368 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,000 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,467 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,426 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,095 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,650 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,362 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,595 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,258 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,292 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,244 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,674 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,816 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 164,981 |
| Biggest Cities in History | 0 | - | 4.52 | 90,319 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,234 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,493 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,620 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,750 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,549 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,502 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,259 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,565 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,809 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,608 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,203 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,643 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,325 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,497 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,593 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,374 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,998 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,454 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,467 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,869 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,918 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,092 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,831 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,098 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,868 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,857 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,574 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,806 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,735 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,539 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,229 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,103 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,267 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,287 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,450 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,775 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,113 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,993 |
| Countries with Megacities | 0 | - | 4.99 | 264,795 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,829 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,522 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,084 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,598 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,658 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,009 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,949 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,004 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,463 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,236 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,949 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,475 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,977 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,733 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,795 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,513 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,163 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,030 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,693 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,063 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,899 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,061 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,450 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,300 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,215 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,265 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,825 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,468 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,253 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,549 |
| Biggest Cities in France | 0 | - | 4.70 | 224,474 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,520 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,096 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,035 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,672 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,479 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,025 |
| Biggest Cities in China | 0 | - | 4.53 | 159,105 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,314 |
| Biggest Cities in India | 0 | - | 4.64 | 67,867 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,557 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,383 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,605 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,257 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,685 |
| Rivers of the United States | 0 | - | 4.93 | 66,367 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,094 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,975 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,278 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,203 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,597 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,777 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,248 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,876 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,872 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,281 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,510 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,629 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,690 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,791 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,572 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,535 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,762 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,260 |
| Which City in Canada? | 0 | - | 4.83 | 57,155 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,366 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,240 |
| U.S. State Flags | 0 | - | 4.88 | 171,397 |
| Hawaiian Islands | 0 | - | 4.83 | 42,781 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,629 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,389 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,565 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,905 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,719 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,773 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,188 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,357 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,518 |
