| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 655,513 |
| Biggest City in Every Country | 0 | - | 4.98 | 75,461 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 163,941 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 89,392 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 92,106 |
| Biggest Cities with Exceptions | 0 | - | 4.84 | 51,822 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 57,128 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 363,261 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 62,672 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,322 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.89 | 58,095 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 53,452 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 103,443 |
| Biggest Cities in the United States | 0 | - | 4.90 | 799,425 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 318,366 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.85 | 107,288 |
| Biggest Cities by Language | 0 | - | 4.95 | 211,105 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,122 |
| Most Populous World Capitals | 0 | - | 4.91 | 144,293 |
| Biggest European Cities by Century | 0 | - | 4.96 | 116,916 |
| Megacities on a World Map | 0 | - | 4.98 | 217,095 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 503,760 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 58,882 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 61,904 |
| Every 1,000,000+ City on a Map | 0 | - | 4.98 | 80,671 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 148,438 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 152,690 |
| Biggest Cities in Asia | 0 | - | 4.91 | 93,915 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,319 |
| Megacities on an Empty Map | 0 | - | 4.96 | 85,956 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 40,374 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 110,200 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 105,497 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 95,839 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 108,411 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 126,264 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 112,552 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 62,600 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 66,625 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 195,637 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 107,114 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 298,372 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 94,742 |
| Biggest City by Time Zone | 0 | - | 4.79 | 52,840 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.46 | 97,033 |
| Biggest Cities by Trait #1 | 0 | - | 4.42 | 42,665 |
| Biggest City by Region | 0 | - | 4.45 | 32,838 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 52,554 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 129,238 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 43,379 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 87,991 |
| Largest World Capitals with Exceptions | 0 | - | 4.70 | 50,064 |
| Two Largest Cities by First Two Letters | 0 | - | 4.63 | 66,496 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,173 |
| 500 Biggest US Cities | 0 | - | 4.83 | 94,351 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 51,001 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 46,588 |
| Ten Southernmost Megacities | 0 | - | 4.78 | 45,747 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 145,398 |
| Biggest Cities Starting With C | 0 | - | 4.03 | 95,577 |
| Biggest Cities Starting With K | 0 | - | 4.27 | 77,608 |
| Biggest Cities Starting With S | 0 | - | 4.35 | 112,717 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 114,466 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 134,953 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 107,711 |
| Biggest Cities in Europe | 0 | - | 4.51 | 445,258 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 89,657 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 42,106 |
| Biggest Cities in Germany | 0 | - | 4.94 | 258,166 |
| Biggest City by Island | 0 | - | 4.51 | 45,380 |
| Biggest Cities in History | 0 | - | 4.47 | 78,631 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 67,273 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.47 | 39,601 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 27,769 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 63,974 |
| Fastest Growing U.S. Cities | 0 | - | 4.32 | 69,601 |
| Second Biggest Cities Quiz | 0 | - | 4.20 | 38,701 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 26,874 |
| Biggest City by Region #2 | 0 | - | 4.45 | 22,619 |
| Biggest Cities by Latitude | 0 | - | 4.74 | 26,026 |
| Northernmost Major City by Country | 0 | - | 4.53 | 30,477 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 36,658 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.88 | 73,168 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 39,788 |
| Cities of China (With Some Help) | 0 | - | 4.88 | 27,753 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,288 |
| Countries with Megacities | 0 | - | 4.99 | 191,827 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,784 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,644 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,947 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 61,568 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 242,024 |
| Largest World Cities With Four Letters | 0 | - | 4.43 | 42,880 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 67,841 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 74,089 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 36,060 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,290,968 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,369 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 135,083 |
| Biggest English Cities by Century | 0 | - | 4.91 | 98,199 |
| Biggest Cities in the World - 2100 | 0 | - | 4.26 | 79,013 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,684 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.68 | 97,801 |
| Five Biggest Cities by Country | 0 | - | 4.50 | 149,860 |
| Biggest World Cities A-Z | 0 | - | 4.42 | 189,266 |
| Capitals of the Most Populated Countries | 0 | - | 4.97 | 115,319 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,560 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,614 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,319 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 88,983 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 63,726 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 49,417 |
| Biggest European Cities by Letter | 0 | - | 4.52 | 117,444 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 62,496 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 54,979 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 39,717 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,548 |
| Biggest Cities by Trait #2 | 0 | - | 4.33 | 13,967 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,113 |
| Countries of Europe by Population | 0 | - | 4.98 | 122,295 |
| Most Populous Country by First Two Letters | 0 | - | 4.68 | 65,925 |
| Demographics Multiple Choice | 0 | - | 4.70 | 39,316 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 77,793 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 94,553 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 73,580 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 91,452 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 63,731 |
| Jewish Cities Quiz | 0 | - | 4.31 | 58,920 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 59,591 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 69,730 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 60,896 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 50,207 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,478 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 19,359 |
| Flags to Largest Cities | 0 | - | 4.63 | 30,091 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 34,923 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 18,984 |
| Biggest Cities in Japan | 0 | - | 4.70 | 74,188 |
| Biggest Cities in Russia | 0 | - | 4.46 | 75,412 |
| Biggest Cities in France | 0 | - | 4.62 | 195,369 |
| Biggest Cities in Spain | 0 | - | 4.48 | 150,892 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 49,158 |
| Biggest Cities in Poland | 0 | - | 4.56 | 47,121 |
| Biggest Cities in the UK | 0 | - | 4.41 | 91,595 |
| Biggest Cities in China | 0 | - | 4.44 | 134,861 |
| Cities of Ireland | 0 | - | 4.43 | 39,139 |
| Biggest Cities in Canada | 0 | - | 4.68 | 118,677 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,949 |
| Biggest Cities in India | 0 | - | 4.61 | 61,428 |
| Biggest Cities in Italy | 0 | - | 4.63 | 213,409 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 82,200 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.30 | 68,788 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 76,871 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 82,551 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 65,405 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.14 | 61,153 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 59,408 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 66,823 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 121,198 |
| Most Populous Countries in 2050 | 0 | - | 4.89 | 202,337 |
| First Countries to Reach 5 Million People | 0 | - | 4.87 | 108,020 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 75,096 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 52,967 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.91 | 66,120 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 85,594 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 141,913 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 138,139 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 55,658 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.51 | 73,686 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.70 | 42,267 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 47,610 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 62,207 |
| All Cities in China with Population of 1 Million | 0 | - | 4.62 | 37,171 |
| Most Populous Islands | 0 | - | 4.64 | 111,109 |
| Islands by Largest City #1 | 0 | - | 4.44 | 81,799 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 201,340 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 157,976 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 154,560 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 79,192 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 83,112 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 143,607 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 48,510 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,117 |
| Biggest Nordic Cities | 0 | - | 4.35 | 59,375 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.37 | 29,636 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,431 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,283 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,539 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 160,248 |
| Boundary Waters | 0 | - | 4.92 | 80,022 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 72,840 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 49,943 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.29 | 36,362 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.21 | 86,981 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.61 | 24,213 |
| Largest Nordic Cities on a Map | 0 | - | 4.62 | 22,107 |
| Biggest Urban Areas in the UK | 0 | - | 4.36 | 166,255 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.42 | 28,156 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.15 | 20,962 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.87 | 55,525 |
