| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 795,580 |
| Biggest Cities in Texas | 0 | - | 4.24 | 110,070 |
| Biggest Urban Areas in the UK | 0 | - | 4.36 | 165,964 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 385,534 |
| Cities on a Map of the Great Lakes | 0 | - | 4.42 | 40,313 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 317,463 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.68 | 97,361 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 134,801 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.85 | 106,991 |
| Biggest Cities by Language | 0 | - | 4.95 | 210,465 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 73,976 |
| Biggest City by River | 0 | - | 4.36 | 50,531 |
| Biggest Cities in Japan | 0 | - | 4.70 | 74,013 |
| Biggest US Cities by Decade | 0 | - | 4.96 | 152,332 |
| Biggest Cities in Russia | 0 | - | 4.46 | 75,199 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 47,468 |
| Biggest Cities in Poland | 0 | - | 4.56 | 46,911 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 12,736 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 109,863 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 144,920 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 105,213 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 95,461 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 107,999 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 125,792 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 112,182 |
| Biggest Cities Starting With S | 0 | - | 4.35 | 112,329 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 113,879 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 28,029 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 81,946 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.30 | 68,582 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.22 | 76,653 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 82,359 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 65,285 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.15 | 61,033 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.15 | 20,866 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.86 | 55,448 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 59,289 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 66,683 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 120,857 |
| Biggest World Cities A-Z | 0 | - | 4.42 | 187,613 |
| Biggest Cities in France | 0 | - | 4.62 | 194,385 |
| Biggest Cities in Spain | 0 | - | 4.48 | 150,286 |
| Biggest Cities in Italy | 0 | - | 4.62 | 212,612 |
| Biggest Cities in California | 0 | - | 4.34 | 128,784 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 650,440 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,489 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 48,913 |
| Biggest Cities in Europe | 0 | - | 4.50 | 443,964 |
| Biggest Cities in Canada | 0 | - | 4.68 | 118,324 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 99,569 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 36,504 |
| Countries With No Rivers | 0 | - | 4.96 | 67,845 |
| Biggest Cities in China | 0 | - | 4.44 | 134,211 |
| Rivers by City Quiz | 0 | - | 4.35 | 21,686 |
| Biggest Cities in Germany | 0 | - | 4.94 | 257,157 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 147,945 |
| Famous Rivers | 0 | - | 4.70 | 97,241 |
| Biggest City in Every Country | 0 | - | 4.98 | 75,141 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 31,446 |
| Countries with the Shortest Coastlines | 0 | - | 4.84 | 53,939 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,051 |
| Biggest City by Time Zone | 0 | - | 4.79 | 52,735 |
| Rivers on Borders | 0 | - | 4.06 | 21,783 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.45 | 96,656 |
| Biggest English Cities by Century | 0 | - | 4.93 | 97,598 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,825 |
| Biggest European Cities by Letter | 0 | - | 4.52 | 117,170 |
| Biggest Cities in India | 0 | - | 4.61 | 61,246 |
| Biggest Cities in Asia | 0 | - | 4.93 | 93,636 |
| City to River #1 | 0 | - | 4.49 | 24,607 |
| African Great Lakes | 0 | - | 4.82 | 50,343 |
| Biggest City by Island | 0 | - | 4.51 | 45,308 |
| World's Longest Rivers | 0 | - | 4.88 | 106,868 |
| Biggest Cities in History | 0 | - | 4.47 | 78,304 |
| Biggest Cities by Trait #1 | 0 | - | 4.42 | 42,580 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,018 |
| Rivers A-Z | 0 | - | 4.30 | 31,131 |
| Five Biggest Cities by Country | 0 | - | 4.50 | 149,374 |
| City to River #2 - Difficult | 0 | - | 4.44 | 13,989 |
| Black Sea Countries | 0 | - | 4.85 | 56,446 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 60,740 |
| Top 10 World Cities Through History | 0 | - | 4.44 | 67,124 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 26,848 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 62,403 |
| Most Populous World Capitals | 0 | - | 4.92 | 142,647 |
| Biggest City by Region | 0 | - | 4.45 | 32,738 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 52,397 |
| Biggest City by Region #2 | 0 | - | 4.45 | 22,548 |
| Most Populous River Basins | 0 | - | 4.54 | 37,154 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.42 | 28,083 |
| Caspian Sea Countries | 0 | - | 4.91 | 57,817 |
| North Sea Countries | 0 | - | 4.90 | 78,576 |
| Biggest European Cities by Century | 0 | - | 4.96 | 116,612 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.98 | 103,157 |
| Biggest Cities by Latitude | 0 | - | 4.74 | 25,973 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 69,476 |
| Largest World Cities With Four Letters | 0 | - | 4.43 | 42,795 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 64,082 |
| Biggest Two-Word Cities | 0 | - | 4.63 | 38,487 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.93 | 66,322 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.80 | 62,348 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 34,270 |
| Cities of Ireland | 0 | - | 4.42 | 38,974 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.97 | 65,118 |
| Countries That Touch the Red Sea | 0 | - | 4.86 | 60,198 |
| Largest Cities in Alexander's Empire | 0 | - | 4.48 | 38,322 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 163,220 |
| South China Sea Countries | 0 | - | 4.84 | 53,056 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 89,097 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 50,092 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 128,876 |
| Cities of China (With Some Help) | 0 | - | 4.88 | 27,640 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,124 |
| Biggest Cities with Exceptions | 0 | - | 4.84 | 50,508 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.90 | 87,895 |
| Top 10 American Countries by Coastline | 0 | - | 4.94 | 82,149 |
| Top 10 European Countries by Coastline | 0 | - | 4.82 | 126,004 |
| Largest Rivers by Discharge | 0 | - | 4.51 | 14,750 |
| Major U.S. Rivers with State Names | 0 | - | 4.50 | 35,858 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 43,308 |
| Biggest Cities in the UK | 0 | - | 4.41 | 91,120 |
| Longest Rivers in the UK | 0 | - | 4.37 | 12,942 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 45,815 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 91,638 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 63,838 |
| Megacities on a World Map | 0 | - | 4.98 | 216,432 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 194,805 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.83 | 56,065 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 106,538 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.87 | 81,839 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.70 | 42,184 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 46,506 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 89,187 |
| World's Longest Rivers on a Map | 0 | - | 4.88 | 75,792 |
| Seas on the World Map | 0 | - | 4.98 | 118,915 |
| Gulfs and Bays on the World Map | 0 | - | 4.52 | 26,422 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 361,887 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 54,787 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,418 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.47 | 39,502 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 501,828 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.21 | 86,140 |
| Megacities on an Empty Map | 0 | - | 4.96 | 85,632 |
| Rivers that Flow through the Most Countries | 0 | - | 4.51 | 36,955 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 58,728 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.68 | 69,884 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 61,612 |
| All Cities in China with Population of 1 Million | 0 | - | 4.61 | 36,934 |
| Northernmost Major City by Country | 0 | - | 4.53 | 30,374 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 27,575 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 39,559 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 62,354 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 55,376 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.44 | 51,810 |
| Capital Cities by Body of Water | 0 | - | 4.86 | 52,439 |
| Two Largest Cities by First Two Letters | 0 | - | 4.62 | 64,416 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 39,588 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.98 | 55,845 |
| Rivers of Europe Quiz | 0 | - | 4.88 | 46,457 |
| Rivers of The United States Quiz | 0 | - | 4.92 | 48,123 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.87 | 47,664 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.86 | 49,898 |
| Largest World Capitals with Exceptions | 0 | - | 4.69 | 49,997 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 67,633 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.51 | 73,532 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 55,542 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,177 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 297,112 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 94,220 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 67,955 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,453 |
| Ten Southernmost Megacities | 0 | - | 4.76 | 45,635 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 133,829 |
| Seas of the World | 0 | - | 5.00 | 122,019 |
| Flags to Largest Cities | 0 | - | 4.63 | 29,809 |
| 500 Biggest US Cities | 0 | - | 4.84 | 93,741 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,384 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,908 |
| Capitals by River | 0 | - | 4.60 | 32,512 |
| Every 1,000,000+ City on a Map | 0 | - | 4.98 | 79,350 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.90 | 54,402 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 41,771 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 61,705 |
| UK Rivers Map Quiz | 0 | - | 4.54 | 27,445 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.88 | 72,523 |
| Tectonic Plates on a Map | 0 | - | 4.98 | 30,076 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.60 | 24,159 |
| Largest Lakes in the United States on a Map | 0 | - | 4.87 | 21,092 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 34,740 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.89 | 57,863 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.86 | 74,271 |
| Countries Bordering the Four Color Seas | 0 | - | 4.88 | 17,519 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 31,982 |
| Largest Nordic Cities on a Map | 0 | - | 4.60 | 21,333 |
| Cities in Squares on a Map - North America | 0 | - | 4.35 | 18,898 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,191 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 50,746 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 35,867 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 40,149 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 53,115 |
