| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 654,892 |
| Biggest City in Every Country | 0 | - | 4.98 | 75,373 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 163,776 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 89,328 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 92,011 |
| Biggest Cities with Exceptions | 0 | - | 4.84 | 51,673 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 57,005 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 62,599 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,287 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.89 | 58,057 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 53,397 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 363,066 |
| Biggest Cities in the United States | 0 | - | 4.90 | 798,866 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 318,222 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.85 | 107,254 |
| Biggest Cities by Language | 0 | - | 4.95 | 211,046 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,100 |
| Most Populous World Capitals | 0 | - | 4.91 | 144,118 |
| Biggest European Cities by Century | 0 | - | 4.96 | 116,865 |
| Megacities on a World Map | 0 | - | 4.98 | 217,002 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 503,511 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 58,854 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 61,838 |
| Every 1,000,000+ City on a Map | 0 | - | 4.98 | 80,532 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 148,369 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 152,640 |
| Biggest Cities in Asia | 0 | - | 4.91 | 93,876 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,286 |
| Megacities on an Empty Map | 0 | - | 4.96 | 85,890 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 40,334 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 62,567 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 66,583 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 195,519 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 107,040 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 298,201 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 94,698 |
| Biggest City by Time Zone | 0 | - | 4.79 | 52,824 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.46 | 97,020 |
| Biggest Cities by Trait #1 | 0 | - | 4.42 | 42,655 |
| Biggest City by Region | 0 | - | 4.45 | 32,830 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 52,531 |
| Largest World Capitals with Exceptions | 0 | - | 4.70 | 50,056 |
| Two Largest Cities by First Two Letters | 0 | - | 4.63 | 66,355 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 46,578 |
| Ten Southernmost Megacities | 0 | - | 4.78 | 45,733 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 134,865 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 107,639 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 129,169 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 43,361 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 87,740 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,121 |
| 500 Biggest US Cities | 0 | - | 4.83 | 94,258 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 50,961 |
| Biggest Cities in Europe | 0 | - | 4.50 | 445,101 |
| Biggest City by Island | 0 | - | 4.51 | 45,368 |
| Biggest Cities in History | 0 | - | 4.47 | 78,592 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 67,249 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 89,616 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.47 | 39,585 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 42,062 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 63,953 |
| Biggest Cities in Germany | 0 | - | 4.94 | 258,058 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 110,155 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 105,469 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 95,797 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 108,362 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 126,199 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 112,500 |
| Fastest Growing U.S. Cities | 0 | - | 4.32 | 69,588 |
| Second Biggest Cities Quiz | 0 | - | 4.20 | 38,691 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 26,872 |
| Biggest City by Region #2 | 0 | - | 4.45 | 22,614 |
| Biggest Cities by Latitude | 0 | - | 4.74 | 26,017 |
| Northernmost Major City by Country | 0 | - | 4.53 | 30,463 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 27,744 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,177 |
| Countries with Megacities | 0 | - | 4.99 | 191,686 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,656 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,578 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,843 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 61,494 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 241,836 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 36,640 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.88 | 73,102 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 39,761 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,290,305 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,248 |
| Largest World Cities With Four Letters | 0 | - | 4.43 | 42,869 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 67,805 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 74,074 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 36,035 |
| Cities of China (With Some Help) | 0 | - | 4.88 | 27,734 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 135,042 |
| Biggest Cities in the World - 2100 | 0 | - | 4.26 | 78,956 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,682 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 145,332 |
| Biggest Cities Starting With C | 0 | - | 4.03 | 95,554 |
| Biggest Cities Starting With K | 0 | - | 4.27 | 77,586 |
| Biggest Cities Starting With S | 0 | - | 4.35 | 112,661 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 114,410 |
| Capitals of the Most Populated Countries | 0 | - | 4.97 | 115,282 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,520 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,529 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,267 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 88,950 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.95 | 63,691 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 97,761 |
| Biggest English Cities by Century | 0 | - | 4.93 | 97,879 |
| Five Biggest Cities by Country | 0 | - | 4.50 | 149,795 |
| Biggest Cities by Trait #2 | 0 | - | 4.33 | 13,964 |
| Biggest World Cities A-Z | 0 | - | 4.41 | 189,098 |
| Most Populous Country by First Two Letters | 0 | - | 4.68 | 65,895 |
| Demographics Multiple Choice | 0 | - | 4.70 | 39,305 |
| Biggest European Cities by Letter | 0 | - | 4.52 | 117,407 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 62,481 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 54,948 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 39,693 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,531 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,092 |
| Countries of Europe by Population | 0 | - | 4.98 | 122,159 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 77,778 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 94,507 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 73,535 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 91,410 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 63,680 |
| Jewish Cities Quiz | 0 | - | 4.31 | 58,915 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 59,573 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 60,875 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 50,194 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,473 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 19,236 |
| Flags to Largest Cities | 0 | - | 4.63 | 30,060 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 34,907 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 18,971 |
| Biggest Cities in Japan | 0 | - | 4.70 | 74,167 |
| Biggest Cities in Russia | 0 | - | 4.46 | 75,378 |
| Biggest Cities in France | 0 | - | 4.62 | 195,258 |
| Biggest Cities in Spain | 0 | - | 4.48 | 150,815 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 49,121 |
| Biggest Cities in Poland | 0 | - | 4.56 | 47,094 |
| Biggest Cities in the UK | 0 | - | 4.41 | 91,539 |
| Biggest Cities in China | 0 | - | 4.44 | 134,775 |
| Cities of Ireland | 0 | - | 4.43 | 39,113 |
| Biggest Cities in Canada | 0 | - | 4.68 | 118,635 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,938 |
| Biggest Cities in India | 0 | - | 4.61 | 61,412 |
| Biggest Cities in Italy | 0 | - | 4.62 | 213,268 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 82,175 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.30 | 68,761 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 76,843 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 82,527 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 65,390 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.15 | 61,137 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 59,391 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 66,803 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 121,165 |
| Most Populous Countries in 2050 | 0 | - | 4.89 | 202,259 |
| First Countries to Reach 5 Million People | 0 | - | 4.87 | 107,977 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 75,064 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 52,944 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.91 | 66,103 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 85,559 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 141,857 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 138,079 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 69,705 |
| Boundary Waters | 0 | - | 4.92 | 79,993 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 72,778 |
| Most Populous Islands | 0 | - | 4.64 | 111,073 |
| Islands by Largest City #1 | 0 | - | 4.44 | 81,716 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 201,246 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 157,894 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 154,487 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 79,144 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 83,074 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 143,534 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 48,483 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,082 |
| Biggest Nordic Cities | 0 | - | 4.35 | 59,368 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 55,642 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.51 | 73,666 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.37 | 29,621 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.70 | 42,263 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,424 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,270 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 47,596 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 62,143 |
| All Cities in China with Population of 1 Million | 0 | - | 4.62 | 37,124 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,534 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 160,217 |
| Countries of the World Quiz | 0 | - | 5.00 | 39,857,520 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,529 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.62 | 91,730 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 49,912 |
| Largest Cities in Alexander's Empire | 0 | - | 4.48 | 38,377 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.29 | 36,337 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.21 | 86,850 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.43 | 52,087 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.61 | 24,206 |
| Largest Nordic Cities on a Map | 0 | - | 4.61 | 22,029 |
| Biggest Urban Areas in the UK | 0 | - | 4.36 | 166,224 |
