| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 707,762 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,337,930 |
| South America Capitals Quiz | 0 | - | 4.99 | 360,618 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,958 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,912 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,731 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,097 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,812 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,856 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,758 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,101 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,048 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,494 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,288 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,767 |
| Biggest Cities in Japan | 0 | - | 4.72 | 66,545 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,821 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,771 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,163 |
| Africa Capitals Quiz | 0 | - | 4.99 | 527,805 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,654 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,160 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,661 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 86,976 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,896 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,715 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,468 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,381 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,958 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,698 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,522 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,719 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,242 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,014 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,104 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,467 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,259 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,509 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,376 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,232 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,929 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,758 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,465 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,372 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,103 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,925 |
| Biggest Cities in France | 0 | - | 4.52 | 161,465 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,817 |
| Biggest Cities in Italy | 0 | - | 4.63 | 188,969 |
| Biggest Cities in California | 0 | - | 4.30 | 119,868 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,438 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 571,168 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,865 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,108 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,299 |
| Countries of Africa | 0 | - | 5.00 | 1,734,118 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,697 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,867 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,218 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,582 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,507 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,253 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,763 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,579 |
| Asia Capitals Quiz | 0 | - | 4.97 | 501,669 |
| Burundi Country Quiz | 0 | - | 4.53 | 14,048 |
| Biggest Cities in China | 0 | - | 4.43 | 118,211 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,058 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,440 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,427 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,595 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,763 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,804 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,339 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,087 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,770 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,315 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,473 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,782 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,585 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,380 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,167 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,200 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,692 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,813 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,776 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,177 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,676 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,254 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,689 |
| Biggest Cities in India | 0 | - | 4.52 | 54,855 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,927 |
| Biggest City by Island | 0 | - | 4.49 | 42,214 |
| Official Cities in the UK | 0 | - | 4.89 | 197,382 |
| Biggest Cities in History | 0 | - | 4.49 | 70,557 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,843 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,872 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,338 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,385 |
| Europe Capital to Country | 0 | - | 4.99 | 198,969 |
| Flags of Africa Quiz | 0 | - | 4.99 | 306,719 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,210 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,181 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,073 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.52 | 56,962 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,938 |
| Countries Closest to Africa | 0 | - | 4.96 | 116,564 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,116 |
| Biggest City by Region | 0 | - | 4.50 | 29,139 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,230 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,831 |
| Africa Map Quiz | 0 | - | 5.00 | 1,758,088 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,449 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,088 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,870 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,088 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,190 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,370 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,630 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,505 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,921 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,223 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,482 |
| African Capitals by Map | 0 | - | 4.99 | 83,703 |
| Cities of Ireland | 0 | - | 4.40 | 35,654 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,839 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,066 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,088 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,341 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,195 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,537 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,923 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,730 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,163 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,334 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,427 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 43,392 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 197,663 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,726 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,716 |
| Countries Bordering D.R. Congo | 0 | - | 4.98 | 54,219 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,548 |
| Megacities on a World Map | 0 | - | 4.97 | 199,548 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 173,753 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,820 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,370 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 63,072 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,590 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,660 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,063 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,531 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 311,536 |
| 10 Northernmost Countries in Africa | 0 | - | 4.99 | 117,021 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,261 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,010 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,681 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,913 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,038 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,110 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,971 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,843 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,547 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,107 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 20,927 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,697 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,213 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,402 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,175 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,524 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,675 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,029 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,254 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,338 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,572 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,473 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,375 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,550 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,812 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,561 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,152 |
| Ten Southernmost Megacities | 0 | - | 4.68 | 32,388 |
| Which City in Africa? | 0 | - | 4.64 | 43,200 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,285 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,992 |
| 500 Biggest US Cities | 0 | - | 4.88 | 75,817 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,440 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 13,857 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,263 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,856 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,175 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,983 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 67,730 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,673 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 27,439 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 41,949 |
| Random African Countries on a Map | 0 | - | 4.98 | 199,092 |
| Random African Capitals on a Map | 0 | - | 4.91 | 40,565 |
| Biggest Cities in Australia on a Map | 0 | - | 4.58 | 27,082 |
| Largest Nordic Cities on a Map | 0 | - | 4.48 | 15,556 |
| São Tomé and Príncipe Country Quiz | 0 | - | 4.57 | 14,267 |
