| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,505 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,335,239 |
| South America Capitals Quiz | 0 | - | 4.99 | 359,822 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,869 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,872 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,624 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,079 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,419 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,711 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,666 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 98,989 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,594 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,456 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,220 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,460 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,672 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,675 |
| States of Mexico | 0 | - | 4.92 | 106,092 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,549 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,057 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,639 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,644 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,827 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,770 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,605 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,318 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,831 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,522 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,385 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,956 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,995 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,372 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,170 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,423 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,301 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,166 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,862 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,693 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,392 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,280 |
| Biggest U.S. Cities A-Z | 0 | - | 4.52 | 108,975 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,667 |
| Biggest Cities in France | 0 | - | 4.52 | 161,179 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,582 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,661 |
| Biggest Cities in California | 0 | - | 4.30 | 119,731 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,320 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,410 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,197 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,825 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,979 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,244 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,636 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,843 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,161 |
| Biggest Cities in Europe | 0 | - | 4.56 | 403,045 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,476 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,230 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,623 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,513 |
| Central American Countries | 0 | - | 4.96 | 122,148 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,413 |
| Countries Bordering Brazil | 0 | - | 4.97 | 104,094 |
| Biggest Cities in China | 0 | - | 4.42 | 117,960 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,009 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,925 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,347 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,708 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,321 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,352 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,046 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,718 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,285 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,424 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,729 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,555 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,354 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,136 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,174 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,672 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,778 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.49 | 121,459 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,725 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,122 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,472 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,164 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,608 |
| Biggest Cities in India | 0 | - | 4.51 | 54,759 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,814 |
| Biggest City by Island | 0 | - | 4.49 | 42,166 |
| Biggest Cities in History | 0 | - | 4.49 | 70,371 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,784 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,242 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,219 |
| Central America and Caribbean Map Quiz | 0 | - | 4.85 | 787,504 |
| Mexico States Map Quiz | 0 | - | 4.82 | 77,605 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,158 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,130 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,005 |
| Caribbean Countries and Territories | 0 | - | 4.87 | 85,191 |
| States of Brazil | 0 | - | 4.96 | 49,134 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,314 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,460 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,813 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,902 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,751 |
| Biggest City by Region | 0 | - | 4.50 | 29,038 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,116 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,747 |
| South America Map Quiz | 0 | - | 4.99 | 1,255,082 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,409 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 137,526 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,930 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,857 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,048 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,078 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,317 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,553 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,202 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,831 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,105 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,377 |
| Cities of Ireland | 0 | - | 4.39 | 35,617 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,790 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,797 |
| Haiti Country Quiz | 0 | - | 4.84 | 24,838 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,977 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,289 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,976 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,793 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,126 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,541 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,460 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,793 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,636 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,360 |
| South America Flags Map Quiz | 0 | - | 4.96 | 50,094 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 66,839 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,574 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,566 |
| South American Cities on the Map | 0 | - | 4.48 | 21,889 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,482 |
| Megacities on a World Map | 0 | - | 4.97 | 199,063 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.33 | 212,289 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 168,536 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,762 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,970 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,355 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,592 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,020 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,298 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,747 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,821 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,224 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,670 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,938 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,621 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.13 | 111,038 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,847 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,097 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 80,123 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,975 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,873 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,668 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,379 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,663 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,069 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,741 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 31,975 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,083 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.87 | 40,274 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,301 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,084 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,475 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,460 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,961 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,358 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,191 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,264 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,372 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,707 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,314 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,714 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,515 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,335 |
| Which City in Latin America? | 0 | - | 4.64 | 34,574 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,439 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,475 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,860 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,544 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,411 |
| Which City in Canada? | 0 | - | 4.84 | 39,693 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,828 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,111 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 58,418 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,707 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,981 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,719 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,630 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 45,627 |
