| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 705,914 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,334,151 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,164,600 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,570 |
| City to Country Quiz #1 | 0 | - | 4.93 | 124,712 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,237 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,658 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,633 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 98,949 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,510 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,188 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,037 |
| City to Country Quiz #2 | 0 | - | 4.64 | 83,975 |
| City to Country Quiz #3 | 0 | - | 4.86 | 91,752 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,413 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,594 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,640 |
| Countries that Start with A | 0 | - | 4.96 | 1,624,806 |
| Countries that Start with B | 0 | - | 4.94 | 1,762,346 |
| Countries that Start with C | 0 | - | 4.95 | 1,396,411 |
| Countries that Start with D | 0 | - | 4.96 | 461,715 |
| Countries that Start with E | 0 | - | 4.93 | 1,029,657 |
| Countries that Start with G | 0 | - | 4.95 | 1,126,890 |
| Countries that Start with H | 0 | - | 4.92 | 388,965 |
| Countries that Start with I | 0 | - | 4.90 | 974,067 |
| Countries that Start with J | 0 | - | 4.96 | 392,276 |
| Countries that Start with K | 0 | - | 4.95 | 569,481 |
| Countries that Start with L | 0 | - | 4.98 | 811,042 |
| Countries that Start with N | 0 | - | 4.90 | 832,304 |
| Countries that Start with P | 0 | - | 4.94 | 919,802 |
| Countries that Start with R | 0 | - | 4.41 | 298,556 |
| Countries that Start with S | 0 | - | 4.97 | 1,352,812 |
| Countries that Start with T | 0 | - | 4.89 | 756,825 |
| Countries that Start with U | 0 | - | 4.97 | 682,823 |
| Countries that Start with V | 0 | - | 4.97 | 454,867 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,496 |
| Countries that Start with F | 0 | - | 4.74 | 422,246 |
| Countries that Start with M | 0 | - | 4.95 | 1,057,647 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,023 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,747 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,697 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,561 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,247 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,758 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,450 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,321 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,926 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,890 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,598 |
| Biggest Cities in France | 0 | - | 4.51 | 161,044 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,481 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,545 |
| Biggest Cities in California | 0 | - | 4.30 | 119,692 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 569,772 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,813 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,929 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,616 |
| Biggest Cities in Europe | 0 | - | 4.56 | 402,793 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,556 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,487 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,153 |
| Biggest Cities in China | 0 | - | 4.41 | 117,808 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,368 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,772 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,261 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,660 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,715 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,545 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,705 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,095 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,401 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,136 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,572 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,041 |
| Biggest Cities in India | 0 | - | 4.52 | 54,725 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,753 |
| Biggest City by Island | 0 | - | 4.49 | 42,136 |
| City to Country Quiz #4 | 0 | - | 4.54 | 71,718 |
| City to Country Quiz #5 | 0 | - | 4.52 | 69,833 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,772 |
| Biggest Cities in History | 0 | - | 4.49 | 70,308 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,762 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,197 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,147 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,132 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,105 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,982 |
| Historical City to Country | 0 | - | 4.81 | 66,267 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,786 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,698 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 62,794 |
| Biggest City by Region | 0 | - | 4.50 | 29,005 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,091 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,734 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,882 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,586 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,827 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,452 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,080 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,217 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,588 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,432 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 56,796 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,036 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 59,029 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,296 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,523 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,800 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,057 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,331 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,775 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,692 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,918 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,275 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,880 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,426 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,761 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,611 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,075 |
| Countries with Megacities | 0 | - | 4.99 | 173,493 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,111 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,776 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,750 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,774 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,343 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,509 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,509 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,466 |
| Megacities on a World Map | 0 | - | 4.97 | 198,917 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,709 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,736 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,213 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,463 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,910 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,565 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,005 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,600 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,393 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 71,869 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,377 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,064 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,683 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,903 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,721 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,607 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,829 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,770 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,924 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,813 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,593 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,314 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,054 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 61,683 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,650 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 30,471 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,030 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,248 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,829 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 86,822 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,042 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 37,374 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,923 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,102 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,205 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,373 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,162 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,267 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,817 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,661 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,173 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,232 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,185 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,363 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,396 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,171 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,663 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 112,011 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,801 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 85,847 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,314 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,211 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,764 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,274 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 44,748 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,804 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,423 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,381 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,818 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,062 |
| Random European Capital to Country | 0 | - | 4.97 | 128,203 |
| Random European Country to Capital | 0 | - | 4.90 | 103,642 |
| Random Asian Capital to Country | 0 | - | 4.97 | 62,901 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,326 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,629 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,881 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,591 |
| Densest Countries Bordering Each Other | 0 | - | 4.88 | 57,383 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 83,261 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,829 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,621 |
