| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 656,031 |
| Biggest City in Every Country | 0 | - | 4.98 | 75,527 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 164,071 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 89,442 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 92,197 |
| Biggest Cities with Exceptions | 0 | - | 4.85 | 51,951 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 57,209 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 363,439 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 62,732 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,341 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.89 | 58,135 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 53,486 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 103,522 |
| Biggest Cities in the United States | 0 | - | 4.90 | 799,860 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 318,454 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.85 | 107,312 |
| Biggest Cities by Language | 0 | - | 4.95 | 211,156 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,135 |
| Most Populous World Capitals | 0 | - | 4.91 | 144,424 |
| Biggest European Cities by Century | 0 | - | 4.96 | 116,959 |
| Megacities on a World Map | 0 | - | 4.98 | 217,612 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 503,991 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 58,903 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 61,945 |
| Every 1,000,000+ City on a Map | 0 | - | 4.98 | 80,779 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 148,496 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 152,735 |
| Biggest Cities in Asia | 0 | - | 4.91 | 93,949 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,351 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,020 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 40,394 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 110,231 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 105,527 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 95,875 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 108,456 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 126,316 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 112,592 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 62,615 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 66,643 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 195,738 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 107,169 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 298,513 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 94,811 |
| Biggest City by Time Zone | 0 | - | 4.80 | 52,859 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.46 | 97,042 |
| Biggest Cities by Trait #1 | 0 | - | 4.42 | 42,668 |
| Biggest City by Region | 0 | - | 4.45 | 32,847 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 52,573 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 129,288 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 43,392 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 88,165 |
| Largest World Capitals with Exceptions | 0 | - | 4.70 | 50,070 |
| Two Largest Cities by First Two Letters | 0 | - | 4.63 | 66,590 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,208 |
| 500 Biggest US Cities | 0 | - | 4.83 | 94,446 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 51,026 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 46,594 |
| Ten Southernmost Megacities | 0 | - | 4.78 | 45,756 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 145,454 |
| Biggest Cities Starting With C | 0 | - | 4.03 | 95,598 |
| Biggest Cities Starting With K | 0 | - | 4.27 | 77,628 |
| Biggest Cities Starting With S | 0 | - | 4.35 | 112,752 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 114,508 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 135,014 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 107,753 |
| Biggest Cities in Europe | 0 | - | 4.51 | 445,427 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 89,696 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 42,137 |
| Biggest Cities in Germany | 0 | - | 4.94 | 258,275 |
| Biggest City by Island | 0 | - | 4.51 | 45,395 |
| Biggest Cities in History | 0 | - | 4.47 | 78,671 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 67,290 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.47 | 39,611 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 27,793 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 63,997 |
| Fastest Growing U.S. Cities | 0 | - | 4.32 | 69,621 |
| Second Biggest Cities Quiz | 0 | - | 4.20 | 38,708 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 26,877 |
| Biggest City by Region #2 | 0 | - | 4.45 | 22,622 |
| Biggest Cities by Latitude | 0 | - | 4.74 | 26,029 |
| Northernmost Major City by Country | 0 | - | 4.53 | 30,484 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 36,671 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.88 | 73,219 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 39,807 |
| Cities of China (With Some Help) | 0 | - | 4.88 | 27,768 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,373 |
| Countries with Megacities | 0 | - | 4.99 | 191,963 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,875 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,699 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 92,024 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 61,618 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 242,151 |
| Largest World Cities With Four Letters | 0 | - | 4.43 | 42,886 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 67,864 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 74,099 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 36,077 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,291,483 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,463 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 135,109 |
| Biggest English Cities by Century | 0 | - | 4.91 | 98,234 |
| Biggest Cities in the World - 2100 | 0 | - | 4.26 | 79,068 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,690 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.68 | 97,830 |
| Five Biggest Cities by Country | 0 | - | 4.50 | 149,920 |
| Biggest World Cities A-Z | 0 | - | 4.42 | 189,404 |
| Capitals of the Most Populated Countries | 0 | - | 4.97 | 115,340 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,594 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,692 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,371 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,015 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 63,758 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 49,451 |
| Biggest European Cities by Letter | 0 | - | 4.52 | 117,472 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 62,508 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 55,005 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 39,728 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,560 |
| Biggest Cities by Trait #2 | 0 | - | 4.33 | 13,971 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,135 |
| Countries of Europe by Population | 0 | - | 4.98 | 122,399 |
| Most Populous Country by First Two Letters | 0 | - | 4.68 | 65,948 |
| Demographics Multiple Choice | 0 | - | 4.70 | 39,333 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 77,811 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 94,598 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 73,622 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 91,483 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 63,761 |
| Jewish Cities Quiz | 0 | - | 4.31 | 58,927 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 59,606 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 69,746 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 60,912 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 50,222 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,487 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 19,429 |
| Flags to Largest Cities | 0 | - | 4.63 | 30,121 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 34,946 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 18,995 |
| Biggest Cities in Japan | 0 | - | 4.70 | 74,212 |
| Biggest Cities in Russia | 0 | - | 4.46 | 75,449 |
| Biggest Cities in France | 0 | - | 4.62 | 195,455 |
| Biggest Cities in Spain | 0 | - | 4.48 | 150,951 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 49,171 |
| Biggest Cities in Poland | 0 | - | 4.56 | 47,144 |
| Biggest Cities in the UK | 0 | - | 4.41 | 91,642 |
| Biggest Cities in China | 0 | - | 4.44 | 134,919 |
| Cities of Ireland | 0 | - | 4.43 | 39,152 |
| Biggest Cities in Canada | 0 | - | 4.68 | 118,714 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,967 |
| Biggest Cities in India | 0 | - | 4.61 | 61,447 |
| Biggest Cities in Italy | 0 | - | 4.63 | 213,489 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 82,221 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.30 | 68,815 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 76,890 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 82,571 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 65,423 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.14 | 61,168 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 59,422 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 66,839 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 121,213 |
| Most Populous Countries in 2050 | 0 | - | 4.89 | 202,408 |
| First Countries to Reach 5 Million People | 0 | - | 4.87 | 108,055 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 75,126 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 52,984 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.91 | 66,137 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 85,620 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 141,960 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 138,189 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 55,679 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.51 | 73,703 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.70 | 42,272 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 47,626 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 62,253 |
| All Cities in China with Population of 1 Million | 0 | - | 4.62 | 37,189 |
| Most Populous Islands | 0 | - | 4.64 | 111,148 |
| Islands by Largest City #1 | 0 | - | 4.44 | 81,802 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 201,437 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 158,036 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 154,616 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 79,226 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 83,131 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 143,675 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 48,536 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,151 |
| Biggest Nordic Cities | 0 | - | 4.35 | 59,378 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.37 | 29,646 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,438 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,291 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,540 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 160,284 |
| Boundary Waters | 0 | - | 4.92 | 80,045 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 72,888 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 49,956 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.29 | 36,378 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.21 | 87,074 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.61 | 24,217 |
| Largest Nordic Cities on a Map | 0 | - | 4.63 | 22,140 |
| Biggest Urban Areas in the UK | 0 | - | 4.36 | 166,285 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.42 | 28,165 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.18 | 20,974 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.88 | 55,538 |
