| Quiz | Points | Best | Rating | Takes |
|---|
| All 1M Cities by Proximity | 0 | - | 5.00 | 503,374 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 654,544 |
| Biggest City in Every Country | 0 | - | 4.98 | 75,324 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 163,695 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 89,312 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 91,943 |
| Biggest Cities with Exceptions | 0 | - | 4.84 | 51,590 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 56,940 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 362,988 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 62,570 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,273 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.89 | 58,035 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 53,367 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 103,307 |
| Biggest Cities in the United States | 0 | - | 4.90 | 798,569 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 318,168 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 195,461 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 106,996 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 298,114 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 94,668 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.85 | 107,245 |
| Biggest Cities by Language | 0 | - | 4.95 | 211,004 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,093 |
| Most Populous World Capitals | 0 | - | 4.91 | 144,028 |
| Biggest European Cities by Century | 0 | - | 4.96 | 116,844 |
| Megacities on a World Map | 0 | - | 4.98 | 216,949 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 58,841 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 61,823 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 50,938 |
| Every 1,000,000+ City on a Map | 0 | - | 4.98 | 80,464 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 148,348 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 152,613 |
| Biggest Cities in Asia | 0 | - | 4.91 | 93,847 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,277 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 89,589 |
| Megacities on an Empty Map | 0 | - | 4.96 | 85,861 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 40,319 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 110,140 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 105,450 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 95,778 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 108,338 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 126,166 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 112,481 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 62,546 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 66,565 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 129,143 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 43,355 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 87,585 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,104 |
| 500 Biggest US Cities | 0 | - | 4.83 | 94,204 |
| Biggest City by Time Zone | 0 | - | 4.79 | 52,818 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.46 | 97,017 |
| Biggest Cities by Trait #1 | 0 | - | 4.42 | 42,649 |
| Biggest City by Region | 0 | - | 4.45 | 32,824 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 52,521 |
| Largest World Capitals with Exceptions | 0 | - | 4.70 | 50,048 |
| Two Largest Cities by First Two Letters | 0 | - | 4.63 | 66,289 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 46,576 |
| Ten Southernmost Megacities | 0 | - | 4.78 | 45,720 |
| Biggest Cities in Europe | 0 | - | 4.50 | 445,004 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 42,033 |
| Biggest Cities in Germany | 0 | - | 4.94 | 257,987 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 145,311 |
| Biggest Cities Starting With C | 0 | - | 4.03 | 95,542 |
| Biggest Cities Starting With K | 0 | - | 4.27 | 77,573 |
| Biggest Cities Starting With S | 0 | - | 4.35 | 112,643 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 114,375 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 27,733 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 134,809 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 107,591 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,061 |
| Biggest City by Island | 0 | - | 4.51 | 45,358 |
| Biggest Cities in History | 0 | - | 4.47 | 78,568 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 67,236 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.47 | 39,574 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 63,944 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 36,629 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.88 | 73,066 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 39,752 |
| Fastest Growing U.S. Cities | 0 | - | 4.32 | 69,572 |
| Second Biggest Cities Quiz | 0 | - | 4.20 | 38,686 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 26,867 |
| Biggest City by Region #2 | 0 | - | 4.45 | 22,610 |
| Biggest Cities by Latitude | 0 | - | 4.74 | 26,017 |
| Northernmost Major City by Country | 0 | - | 4.53 | 30,457 |
| Cities of China (With Some Help) | 0 | - | 4.88 | 27,731 |
| Largest World Cities With Four Letters | 0 | - | 4.43 | 42,867 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 67,787 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 74,069 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 36,015 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,289,947 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,187 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,119 |
| Countries with Megacities | 0 | - | 4.99 | 191,580 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,579 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,538 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,774 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 61,454 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 241,755 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 97,741 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 135,018 |
| Biggest English Cities by Century | 0 | - | 4.93 | 97,857 |
| Five Biggest Cities by Country | 0 | - | 4.50 | 149,762 |
| Biggest Cities in the World - 2100 | 0 | - | 4.26 | 78,925 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,682 |
| Biggest World Cities A-Z | 0 | - | 4.41 | 189,004 |
| Capitals of the Most Populated Countries | 0 | - | 4.97 | 115,264 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,502 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,474 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,225 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 88,932 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.95 | 63,672 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 49,372 |
| Biggest European Cities by Letter | 0 | - | 4.52 | 117,389 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 62,479 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 54,929 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.21 | 86,796 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 39,688 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,523 |
| Biggest Cities by Trait #2 | 0 | - | 4.33 | 13,960 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,085 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 69,689 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 60,862 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 50,191 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,471 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 34,892 |
| Biggest Cities in Japan | 0 | - | 4.70 | 74,153 |
| Biggest Cities in Russia | 0 | - | 4.46 | 75,358 |
| Biggest Cities in France | 0 | - | 4.62 | 195,195 |
| Biggest Cities in Spain | 0 | - | 4.48 | 150,765 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 49,110 |
| Biggest Cities in Poland | 0 | - | 4.56 | 47,081 |
| Biggest Cities in the UK | 0 | - | 4.41 | 91,509 |
| Biggest Cities in China | 0 | - | 4.44 | 134,745 |
| Cities of Ireland | 0 | - | 4.43 | 39,100 |
| Biggest Cities in Canada | 0 | - | 4.68 | 118,622 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,932 |
| Biggest Cities in India | 0 | - | 4.61 | 61,401 |
| Biggest Cities in Italy | 0 | - | 4.62 | 213,228 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 121,154 |
| Countries of Europe by Population | 0 | - | 4.98 | 122,085 |
| Most Populous Country by First Two Letters | 0 | - | 4.68 | 65,885 |
| Demographics Multiple Choice | 0 | - | 4.70 | 39,302 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 77,769 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 94,478 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 73,512 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 91,381 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 63,657 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 84,939 |
| Jewish Cities Quiz | 0 | - | 4.31 | 58,911 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 59,566 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 55,630 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.51 | 73,651 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 19,160 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.70 | 42,260 |
| Flags to Largest Cities | 0 | - | 4.63 | 30,034 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 18,964 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 47,590 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 62,114 |
| All Cities in China with Population of 1 Million | 0 | - | 4.62 | 37,112 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 82,160 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.30 | 68,746 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 76,835 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 82,519 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 65,383 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.15 | 61,128 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 59,381 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 66,797 |
| Most Populous Countries in 2050 | 0 | - | 4.89 | 202,213 |
| First Countries to Reach 5 Million People | 0 | - | 4.87 | 107,960 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 75,051 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 52,926 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.91 | 66,088 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 85,542 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 141,819 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 138,044 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 201,189 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 157,841 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 154,448 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 79,116 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 83,054 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 143,502 |
| Biggest Nordic Cities | 0 | - | 4.35 | 59,365 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.37 | 29,616 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,423 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,262 |
| Cities on Interstate 90 on a Map | 0 | - | 4.38 | 24,665 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,531 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 160,198 |
| Most Populous Islands | 0 | - | 4.64 | 111,061 |
| Islands by Largest City #1 | 0 | - | 4.44 | 81,565 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 48,461 |
| Largest Cities in Alexander's Empire | 0 | - | 4.48 | 38,374 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.29 | 36,325 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.43 | 52,081 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.61 | 24,203 |
| Largest Nordic Cities on a Map | 0 | - | 4.61 | 21,991 |
| Biggest Urban Areas in the UK | 0 | - | 4.36 | 166,211 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.42 | 28,150 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 49,900 |
