| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 796,263 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,498,140 |
| Biggest Cities in Texas | 0 | - | 4.24 | 110,114 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,286,940 |
| Biggest Urban Areas in the UK | 0 | - | 4.36 | 166,017 |
| City to Country Quiz #1 | 0 | - | 4.93 | 132,903 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 317,629 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.68 | 97,408 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 134,842 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.85 | 107,058 |
| Biggest Cities by Language | 0 | - | 4.95 | 210,578 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 73,993 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 344,690 |
| City to Country Quiz #3 | 0 | - | 4.85 | 98,725 |
| Biggest Cities in Japan | 0 | - | 4.70 | 74,054 |
| Biggest US Cities by Decade | 0 | - | 4.96 | 152,391 |
| Biggest Cities in Russia | 0 | - | 4.46 | 75,237 |
| Countries that Start with A | 0 | - | 4.96 | 1,898,444 |
| Countries that Start with B | 0 | - | 4.93 | 2,037,469 |
| Countries that Start with C | 0 | - | 4.94 | 1,608,963 |
| Countries that Start with D | 0 | - | 4.94 | 570,212 |
| Countries that Start with E | 0 | - | 4.92 | 1,202,238 |
| Countries that Start with G | 0 | - | 4.95 | 1,321,176 |
| Countries that Start with H | 0 | - | 4.92 | 486,114 |
| Countries that Start with I | 0 | - | 4.90 | 1,135,026 |
| Countries that Start with J | 0 | - | 4.97 | 490,148 |
| Countries that Start with K | 0 | - | 4.94 | 690,506 |
| Countries that Start with L | 0 | - | 4.97 | 947,446 |
| Countries that Start with N | 0 | - | 4.89 | 973,781 |
| Countries that Start with P | 0 | - | 4.89 | 1,076,731 |
| Countries that Start with S | 0 | - | 4.97 | 1,572,744 |
| Countries that Start with T | 0 | - | 4.80 | 888,791 |
| Countries that Start with U | 0 | - | 4.96 | 802,136 |
| Countries that Start with V | 0 | - | 4.97 | 538,540 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 47,491 |
| Countries that Start with F | 0 | - | 4.69 | 521,439 |
| Countries that Start with M | 0 | - | 4.94 | 1,227,716 |
| Biggest Cities in Poland | 0 | - | 4.56 | 46,950 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 109,921 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 145,000 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 105,257 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 95,527 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 108,071 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 125,871 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 112,252 |
| Biggest Cities Starting With S | 0 | - | 4.35 | 112,393 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 113,939 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 28,070 |
| Biggest U.S. Cities A-Z | 0 | - | 4.52 | 120,910 |
| Biggest World Cities A-Z | 0 | - | 4.42 | 188,016 |
| Biggest Cities in France | 0 | - | 4.62 | 194,558 |
| Biggest Cities in Spain | 0 | - | 4.48 | 150,400 |
| Biggest Cities in Italy | 0 | - | 4.62 | 212,739 |
| Biggest Cities in California | 0 | - | 4.34 | 128,845 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 651,564 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 48,953 |
| Biggest Cities in Europe | 0 | - | 4.50 | 444,197 |
| Biggest Cities in Canada | 0 | - | 4.68 | 118,380 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 36,535 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 141,594 |
| Biggest Cities in China | 0 | - | 4.44 | 134,327 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 137,807 |
| Biggest Cities in Germany | 0 | - | 4.94 | 257,375 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 148,042 |
| Biggest City in Every Country | 0 | - | 4.98 | 75,173 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 31,460 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,059 |
| Biggest City by Time Zone | 0 | - | 4.80 | 52,755 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.45 | 96,835 |
| Biggest English Cities by Century | 0 | - | 4.93 | 97,669 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,853 |
| Biggest European Cities by Letter | 0 | - | 4.52 | 117,210 |
| Most Populous Countries in 2050 | 0 | - | 4.89 | 201,870 |
| Biggest Cities in India | 0 | - | 4.61 | 61,277 |
| Biggest Cities in Asia | 0 | - | 4.93 | 93,680 |
| Biggest City by Island | 0 | - | 4.51 | 45,323 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 159,954 |
| Biggest Cities in History | 0 | - | 4.47 | 78,368 |
| Biggest Cities by Trait #1 | 0 | - | 4.42 | 42,592 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,039 |
| Five Biggest Cities by Country | 0 | - | 4.50 | 149,466 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 60,761 |
| Top 10 World Cities Through History | 0 | - | 4.44 | 67,155 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 26,848 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 62,422 |
| Most Populous World Capitals | 0 | - | 4.92 | 143,045 |
| 45 European Countries, 45 Cities | 0 | - | 4.96 | 70,283 |
| Biggest City by Region | 0 | - | 4.45 | 32,750 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 52,427 |
| Biggest City by Region #2 | 0 | - | 4.45 | 22,556 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.42 | 28,093 |
| Biggest European Cities by Century | 0 | - | 4.96 | 116,660 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 88,804 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 79,017 |
| Capitals of the Most Populated Countries | 0 | - | 4.97 | 115,125 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 121,821 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,156 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 61,311 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,374 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.95 | 63,557 |
| Biggest Cities by Latitude | 0 | - | 4.74 | 25,984 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 69,530 |
| Largest World Cities With Four Letters | 0 | - | 4.43 | 42,815 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 64,111 |
| Biggest Two-Word Cities | 0 | - | 4.63 | 38,513 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.93 | 66,387 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.80 | 62,390 |
| Cities of Ireland | 0 | - | 4.43 | 39,015 |
| Largest Cities in Alexander's Empire | 0 | - | 4.48 | 38,337 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 163,343 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 89,149 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 50,114 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 128,937 |
| Cities of China (With Some Help) | 0 | - | 4.88 | 27,661 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,148 |
| Biggest Cities with Exceptions | 0 | - | 4.85 | 50,879 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 241,343 |
| Countries with Megacities | 0 | - | 4.99 | 191,291 |
| Countries of Europe by Population | 0 | - | 4.98 | 121,835 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 200,776 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 157,528 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 154,152 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 43,315 |
| Biggest Cities in the UK | 0 | - | 4.41 | 91,213 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 91,695 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 63,860 |
| Megacities on a World Map | 0 | - | 4.98 | 216,530 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 194,931 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.83 | 56,318 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 106,618 |
| One Country By Letter By Continent | 0 | - | 5.00 | 67,317 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.87 | 82,167 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.70 | 42,203 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 46,522 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 89,234 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,049 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 77,724 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,582 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 362,135 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,283 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 54,819 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 203,303 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,427 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.47 | 39,522 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 502,176 |
| Megacities on an Empty Map | 0 | - | 4.96 | 85,691 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 58,745 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 61,664 |
| All Cities in China with Population of 1 Million | 0 | - | 4.61 | 36,977 |
| Northernmost Major City by Country | 0 | - | 4.53 | 30,399 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 75,639 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 27,618 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 39,592 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 62,404 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.44 | 51,869 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 82,920 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,413 |
| Two Largest Cities by First Two Letters | 0 | - | 4.63 | 65,307 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 39,606 |
| Largest World Capitals with Exceptions | 0 | - | 4.69 | 50,004 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 67,669 |
| Flags of the Countries that Start with A | 0 | - | 4.95 | 105,139 |
| Flags of the Countries that Start with C | 0 | - | 4.91 | 116,536 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 74,915 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.91 | 65,992 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 52,833 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 107,755 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.51 | 73,557 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 55,561 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 136,964 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,197 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 297,317 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 94,336 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 67,985 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,471 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 143,171 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.85 | 100,692 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 94,297 |
| Ten Southernmost Megacities | 0 | - | 4.76 | 45,649 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 73,381 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 72,761 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 49,802 |
| Flags to Largest Cities | 0 | - | 4.63 | 29,858 |
| 500 Biggest US Cities | 0 | - | 4.84 | 93,836 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,396 |
| Every 1,000,000+ City on a Map | 0 | - | 4.98 | 79,654 |
| Random European Capital to Country | 0 | - | 4.96 | 149,198 |
| Random European Country to Capital | 0 | - | 4.90 | 132,588 |
| Random Asian Capital to Country | 0 | - | 4.95 | 87,099 |
| Random Asian Country to Capital | 0 | - | 4.91 | 84,133 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 41,830 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 61,819 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.88 | 72,625 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 63,527 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 91,249 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 85,390 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.60 | 24,165 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 34,772 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.89 | 57,900 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,002 |
