| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,425 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,594 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,964 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,962 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,422 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,059 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,161 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,415 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,303 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,465 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,765 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,029 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,951 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,392 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,114 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,432 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,506 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,039 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,085 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,295 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,948 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,847 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,487 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,511 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,438 |
| Largest City by Island | 0 | - | 4.87 | 71,410 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,798 |
| Megacities on a World Map | 0 | - | 4.98 | 252,345 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,032 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,375 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,628 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,752 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,281 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,538 |
| Biggest Cities in History | 0 | - | 4.52 | 89,402 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,217 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,154 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,736 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,598 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,395 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,577 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,314 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,931 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,861 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,699 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,282 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,241 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,140 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,398 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,983 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,854 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,278 |
| Countries with Megacities | 0 | - | 4.99 | 248,955 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,136 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,550 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,487 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,503 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,023 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,210 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,992 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,844 |
| Biggest City by Region | 0 | - | 4.50 | 36,071 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,003 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,728 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,803 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,792 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,105 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,287 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,077 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,025 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,275 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,090 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,837 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,322 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,273 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,902 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,330 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,084 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,087 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,628 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,699 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,127 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,205 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,324 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,632 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,062 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,810 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,217 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,281 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,199 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,105 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,719 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,049 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,832 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,334 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,097 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,354 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,857 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,253 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,937 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,260 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,807 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,311 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,298 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,790 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,733 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,165 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,336 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,859 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,360 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,726 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,905 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,609 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,942 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,008 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,719 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,512 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,260 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,161 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,403 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,770 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,313 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,264 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,394 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,976 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,676 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,543 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 84,301 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,770 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,029 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,545 |
| Europe Capital to Country | 0 | - | 4.99 | 248,924 |
| Asia Capital to Country | 0 | - | 4.96 | 126,174 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,149 |
| European Capitals by Map | 0 | - | 4.99 | 137,736 |
| African Capitals by Map | 0 | - | 4.99 | 132,831 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,728 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,603 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,977 |
| European Coastal Capitals | 0 | - | 4.95 | 90,112 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,354 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,237 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,788 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,587 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,510 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,586 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,754 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,619 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,472 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,358 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,021 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,803 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,452 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,226 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,241 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,978 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,696 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,593 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,516 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,921 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,822 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,810 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,994 |
| Most Populous Islands | 0 | - | 4.80 | 122,217 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,240 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,454 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,700 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,010 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,160 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,507 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,582 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,061 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,743 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,901 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,822 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,072 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,785 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,460 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,880 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,290 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,211 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,988 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,831 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,102 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,788 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,504 |
| Capitals of the Stans | 0 | - | 4.95 | 26,603 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,169 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,414 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,398 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,979 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,668 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,908 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,586 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,836 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,718 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,944 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,275 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,007 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,292 |
