| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,329 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,334,914 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,042 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,610 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,357 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,697 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,660 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.83 | 98,977 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,566 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,207 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,136 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,444 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,648 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,667 |
| Countries that Start with A | 0 | - | 4.96 | 1,625,652 |
| Countries that Start with B | 0 | - | 4.94 | 1,763,161 |
| Countries that Start with C | 0 | - | 4.95 | 1,397,101 |
| Countries that Start with D | 0 | - | 4.96 | 462,093 |
| Countries that Start with E | 0 | - | 4.93 | 1,030,218 |
| Countries that Start with G | 0 | - | 4.95 | 1,127,491 |
| Countries that Start with H | 0 | - | 4.92 | 389,300 |
| Countries that Start with I | 0 | - | 4.90 | 974,555 |
| Countries that Start with J | 0 | - | 4.96 | 392,593 |
| Countries that Start with K | 0 | - | 4.95 | 570,078 |
| Countries that Start with L | 0 | - | 4.98 | 811,452 |
| Countries that Start with N | 0 | - | 4.90 | 832,728 |
| Countries that Start with P | 0 | - | 4.94 | 920,255 |
| Countries that Start with R | 0 | - | 4.41 | 298,795 |
| Countries that Start with S | 0 | - | 4.97 | 1,353,473 |
| Countries that Start with T | 0 | - | 4.89 | 757,182 |
| Countries that Start with U | 0 | - | 4.97 | 683,160 |
| Countries that Start with V | 0 | - | 4.97 | 455,113 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,529 |
| Countries that Start with F | 0 | - | 4.74 | 422,604 |
| Countries that Start with M | 0 | - | 4.95 | 1,058,096 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,046 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,811 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,748 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,588 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,295 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,806 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,500 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,360 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,951 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,942 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,651 |
| Biggest Cities in France | 0 | - | 4.52 | 161,149 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,553 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,626 |
| Biggest Cities in California | 0 | - | 4.30 | 119,716 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,060 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,819 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,966 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,627 |
| Biggest Cities in Europe | 0 | - | 4.56 | 402,958 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,598 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,504 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,185 |
| Biggest Cities in China | 0 | - | 4.41 | 117,919 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,410 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,881 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,323 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,693 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,723 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,552 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,720 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,113 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,457 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,160 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,599 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,093 |
| Biggest Cities in India | 0 | - | 4.51 | 54,752 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,797 |
| Biggest City by Island | 0 | - | 4.49 | 42,153 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,807 |
| Biggest Cities in History | 0 | - | 4.49 | 70,355 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,776 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,229 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,201 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,151 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,126 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,997 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,804 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,735 |
| Biggest City by Region | 0 | - | 4.50 | 29,032 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,107 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,743 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,915 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,439 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,622 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,855 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 119,018 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,484 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,115 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,297 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,634 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 92,751 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,459 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 56,826 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,710 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.97 | 117,049 |
| Five Most Guessed Countries by Continent | 0 | - | 4.93 | 134,015 |
| Five Least Guessed Countries by Continent | 0 | - | 4.92 | 49,188 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 88,222 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 92,310 |
| Five Richest Countries by Continent | 0 | - | 4.52 | 154,888 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,452 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,043 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,065 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.87 | 53,657 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,307 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,544 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,821 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,092 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,362 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 111,848 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,789 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,764 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,963 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,286 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 143,990 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,932 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,450 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,785 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,628 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,149 |
| Countries with Megacities | 0 | - | 4.99 | 174,522 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,164 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,848 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,795 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,826 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,358 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,553 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,547 |
| Five Countries with Most Christians by Continent | 0 | - | 4.98 | 70,066 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,477 |
| Megacities on a World Map | 0 | - | 4.97 | 199,019 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 164,188 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,755 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,730 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,605 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,203 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,582 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,018 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,044 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.94 | 92,015 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 50,366 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,438 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 71,905 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,413 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,283 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,731 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,927 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,813 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,615 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,842 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,984 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,957 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,855 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,644 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,358 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,065 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 61,719 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,708 |
| All Cities in India with Population of 1 Million | 0 | - | 4.78 | 31,672 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,067 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,285 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,850 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 86,858 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,072 |
| Five Countries by a Single Word by Continent | 0 | - | 4.88 | 37,542 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 37,433 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,952 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,142 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,256 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,400 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,188 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,287 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,835 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,746 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,187 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,249 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,263 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,365 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,621 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,269 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,696 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 112,059 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,856 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 85,890 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,327 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,246 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,813 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,346 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 44,781 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,844 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,494 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 58,278 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,395 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,091 |
