| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 775,521 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,459,733 |
| Biggest Cities in Texas | 0 | - | 4.23 | 108,207 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 27,140 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 163,414 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 24,064 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 311,184 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.63 | 95,692 |
| Biggest English-Speaking Cities | 0 | - | 4.37 | 132,803 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 105,173 |
| Biggest Cities by Language | 0 | - | 4.95 | 206,913 |
| Biggest Nordic Cities | 0 | - | 4.36 | 58,804 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 73,017 |
| Biggest Cities in Japan | 0 | - | 4.70 | 72,506 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 149,704 |
| Biggest Cities in Russia | 0 | - | 4.46 | 73,993 |
| Africa Capitals Quiz | 0 | - | 4.99 | 596,600 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 46,467 |
| Biggest Cities in Poland | 0 | - | 4.55 | 45,406 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 12,351 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 107,586 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 142,124 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 103,517 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 93,096 |
| Biggest Cities Starting With L | 0 | - | 4.41 | 105,423 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 122,944 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 109,411 |
| Biggest Cities Starting With S | 0 | - | 4.35 | 110,132 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 111,302 |
| Biggest Cities in Mexico | 0 | - | 4.53 | 24,058 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 80,157 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 67,052 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.22 | 74,972 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 80,851 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 64,347 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.14 | 60,109 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.13 | 20,146 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.85 | 54,847 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 58,354 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 65,670 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 118,473 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 178,521 |
| Biggest Cities in France | 0 | - | 4.48 | 178,488 |
| Biggest Cities in Spain | 0 | - | 4.51 | 146,214 |
| Biggest Cities in Italy | 0 | - | 4.61 | 207,054 |
| Biggest Cities in California | 0 | - | 4.34 | 126,729 |
| Biggest Cities in Florida | 0 | - | 4.18 | 65,353 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 627,812 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,137 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 89,415 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 44,436 |
| Countries of Africa | 0 | - | 5.00 | 2,011,434 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 47,435 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,607 |
| Biggest Cities in New York State | 0 | - | 4.22 | 54,314 |
| Biggest Cities in Europe | 0 | - | 4.49 | 435,633 |
| Biggest Cities in Indiana | 0 | - | 4.25 | 19,107 |
| Biggest Cities in Tennessee | 0 | - | 4.22 | 18,607 |
| Biggest Cities in Canada | 0 | - | 4.63 | 116,164 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 35,403 |
| Burundi Country Quiz | 0 | - | 4.53 | 15,638 |
| Biggest Cities in China | 0 | - | 4.43 | 130,316 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 41,553 |
| Biggest Cities in Germany | 0 | - | 4.94 | 250,064 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 58,387 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 144,838 |
| Biggest City in Every Country | 0 | - | 4.97 | 73,587 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,658 |
| Biggest Cities in Colorado | 0 | - | 4.02 | 29,051 |
| Biggest Cities in Arizona | 0 | - | 4.21 | 27,330 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 22,119 |
| Biggest Cities in Illinois | 0 | - | 4.32 | 23,556 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 30,852 |
| Biggest Cities in Wisconsin | 0 | - | 4.44 | 22,596 |
| Biggest Cities in Georgia | 0 | - | 3.84 | 20,926 |
| Biggest Cities in Massachusetts | 0 | - | 4.34 | 26,449 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 15,362 |
| Biggest Cities in Oregon | 0 | - | 4.06 | 18,084 |
| Biggest Cities in Alaska | 0 | - | 4.26 | 22,753 |
| Biggest City by Time Zone | 0 | - | 4.78 | 52,158 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.45 | 96,060 |
| Biggest English Cities by Century | 0 | - | 4.93 | 95,302 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,007 |
| Biggest European Cities by Letter | 0 | - | 4.51 | 115,601 |
| Biggest Cities in India | 0 | - | 4.60 | 60,082 |
| Biggest Cities in Asia | 0 | - | 4.92 | 91,919 |
| Biggest City by Island | 0 | - | 4.50 | 44,825 |
| Biggest Cities in History | 0 | - | 4.47 | 76,383 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 42,137 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 63,251 |
| Five Biggest Cities by Country | 0 | - | 4.52 | 146,475 |
| Flags of Africa Quiz | 0 | - | 4.99 | 357,371 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 59,710 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 66,271 |
| Biggest Coastal City by Country | 0 | - | 4.55 | 26,650 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 61,719 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 17,987 |
| Countries Closest to Africa | 0 | - | 4.95 | 140,080 |
| Most Populous World Capitals | 0 | - | 4.90 | 135,400 |
| Biggest City by Region | 0 | - | 4.45 | 32,266 |
| Most Populous 2nd Cities | 0 | - | 4.51 | 51,429 |
| Biggest City by Region #2 | 0 | - | 4.45 | 22,205 |
| Africa Map Quiz | 0 | - | 5.00 | 1,867,383 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 27,557 |
| Biggest European Cities by Century | 0 | - | 4.96 | 114,401 |
| U.S. Cities by Hispanic Population | 0 | - | 4.24 | 24,008 |
| Biggest Cities by Latitude | 0 | - | 4.70 | 25,714 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 67,380 |
| Largest World Cities With Four Letters | 0 | - | 4.42 | 42,241 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 62,853 |
| Biggest Two-Word Cities | 0 | - | 4.63 | 37,778 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.93 | 64,913 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.80 | 61,040 |
| African Capitals by Map | 0 | - | 4.99 | 101,837 |
| Cities of Ireland | 0 | - | 4.42 | 38,182 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,818 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 159,525 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 87,417 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 49,298 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 126,898 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 27,008 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 41,222 |
| Biggest Cities with Exceptions | 0 | - | 4.85 | 46,522 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 190,485 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 149,615 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 42,645 |
| African Capitals - Map Quiz | 0 | - | 4.96 | 49,108 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 213,581 |
| Biggest Cities in the UK | 0 | - | 4.41 | 88,073 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 89,457 |
| Countries Bordering D.R. Congo | 0 | - | 4.98 | 58,384 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 62,821 |
| Megacities on a World Map | 0 | - | 4.98 | 213,001 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 189,968 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.76 | 51,963 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 103,956 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 68,538 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 105,545 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.86 | 80,175 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.76 | 41,816 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 45,956 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 87,352 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 352,819 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 126,267 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.28 | 35,079 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 53,671 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 36,970 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.46 | 38,847 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 489,392 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.20 | 80,563 |
| Megacities on an Empty Map | 0 | - | 4.96 | 83,806 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 57,677 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 60,031 |
| All Cities in China with Population of 1 Million | 0 | - | 4.60 | 35,436 |
| Northernmost Major City by Country | 0 | - | 4.52 | 29,880 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 26,235 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 38,120 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 60,944 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.45 | 49,629 |
| Two Largest Cities by First Two Letters | 0 | - | 4.60 | 60,453 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 38,818 |
| Largest World Capitals with Exceptions | 0 | - | 4.68 | 49,601 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 66,457 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 113,871 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 57,474 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 54,505 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 40,621 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 289,677 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 91,097 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 66,653 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 32,920 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 44,918 |
| Which City in Africa? | 0 | - | 4.79 | 46,112 |
| Flags to Largest Cities | 0 | - | 4.62 | 28,244 |
| 500 Biggest US Cities | 0 | - | 4.85 | 89,671 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 27,996 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,511 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 74,446 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 39,298 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.70 | 58,443 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.84 | 68,609 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 23,672 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 33,253 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.88 | 56,514 |
| Random African Countries on a Map | 0 | - | 4.98 | 230,901 |
| Random African Capitals on a Map | 0 | - | 4.96 | 45,602 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 30,998 |
| Largest Nordic Cities on a Map | 0 | - | 4.52 | 17,967 |
| São Tomé and Príncipe Country Quiz | 0 | - | 4.56 | 16,100 |
| Random African Country to Capital | 0 | - | 4.94 | 48,754 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 19,679 |
| Central African Republic Country Quiz | 0 | - | 4.61 | 18,955 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.80 | 49,417 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 110,063 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.39 | 21,498 |
| Name a Valid African Country | 0 | - | 4.98 | 117,752 |
| Republic of the Congo Country Quiz | 0 | - | 4.64 | 18,987 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 34,909 |
| Random African Capital to Country | 0 | - | 4.96 | 74,648 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 38,981 |
