| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,430 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,335,104 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,862 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,870 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,618 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,077 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,385 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,700 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,663 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.83 | 98,984 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,581 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,455 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,213 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,452 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,660 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,670 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,539 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,050 |
| Countries that Border China | 0 | - | 4.97 | 211,705 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,633 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,824 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,765 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,597 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,309 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,824 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,514 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,374 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,952 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,982 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,360 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,160 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,416 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,295 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,164 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,861 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,690 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,391 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,271 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,959 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,657 |
| Biggest Cities in France | 0 | - | 4.52 | 161,168 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,566 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,647 |
| Biggest Cities in California | 0 | - | 4.30 | 119,723 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,315 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,131 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,820 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,974 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,239 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,631 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,841 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,159 |
| Biggest Cities in Europe | 0 | - | 4.56 | 403,011 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,476 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,228 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,608 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,510 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,006 |
| Asia Capitals Quiz | 0 | - | 4.97 | 500,575 |
| Biggest Cities in China | 0 | - | 4.41 | 117,945 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,377 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,004 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,904 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,370 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,336 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,705 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,321 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,045 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,718 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,284 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,423 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,727 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,553 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,352 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,134 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,173 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,661 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,777 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,724 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,115 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,465 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,162 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,606 |
| Biggest Cities in India | 0 | - | 4.51 | 54,754 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,805 |
| Japanese Prefectures | 0 | - | 4.97 | 77,857 |
| Biggest City by Island | 0 | - | 4.49 | 42,161 |
| North Korea Country Quiz | 0 | - | 3.92 | 25,475 |
| Japan Country Quiz | 0 | - | 4.91 | 103,129 |
| Asia Capital to Country | 0 | - | 4.96 | 95,534 |
| Biggest Cities in History | 0 | - | 4.49 | 70,367 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,781 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,237 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,208 |
| China Cities Map Quiz | 0 | - | 4.86 | 78,543 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 75,145 |
| Provinces of China | 0 | - | 4.97 | 117,354 |
| South Korea Country Quiz | 0 | - | 4.53 | 62,208 |
| Hong Kong Facts | 0 | - | 4.36 | 20,766 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,154 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,128 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,621 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,805 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,901 |
| Countries Closest to Japan | 0 | - | 4.95 | 101,866 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,747 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,409 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,924 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,860 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,854 |
| Overseas Chinese Population | 0 | - | 4.56 | 35,615 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,069 |
| China A-Z | 0 | - | 4.64 | 51,458 |
| Japan A-Z | 0 | - | 4.41 | 33,017 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,311 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,551 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,099 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,367 |
| Cities of Ireland | 0 | - | 4.39 | 35,614 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,789 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,777 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,971 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,287 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,950 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,454 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,789 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,630 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,806 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,358 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,013 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,567 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,559 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,794 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,479 |
| Megacities on a World Map | 0 | - | 4.97 | 199,041 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 166,844 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,760 |
| Asian Capitals by Map | 0 | - | 4.98 | 29,303 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,869 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,285 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,586 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,019 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,168 |
| Cities of the Pearl River Delta | 0 | - | 4.59 | 12,494 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,330 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,222 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,931 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,619 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,259 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,040 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,966 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,192 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,748 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,864 |
| Southeast Asian Cities by Map | 0 | - | 4.54 | 17,552 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,359 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,654 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,368 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,716 |
| All Cities in India with Population of 1 Million | 0 | - | 4.78 | 31,826 |
| Asian Coastal Capitals | 0 | - | 4.55 | 17,638 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,075 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 44,637 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,293 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,436 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,855 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,077 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,472 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,588 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,787 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,957 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,188 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,251 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,368 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,199 |
| Closest Countries to North Korea | 0 | - | 4.94 | 93,407 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,666 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,300 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,701 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,514 |
| Which City in the Middle East? | 0 | - | 4.46 | 45,947 |
| China by Picture | 0 | - | 4.54 | 44,742 |
| Countries that Visit Japan the Most | 0 | - | 4.89 | 60,549 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,519 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,397 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,824 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,101 |
| Random Asian Capital to Country | 0 | - | 4.97 | 62,934 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,369 |
| Countries that Beat China | 0 | - | 4.67 | 73,755 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,696 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,967 |
| North Korea... or South Korea? | 0 | - | 4.42 | 55,112 |
| Taiwan Country Quiz | 0 | - | 4.86 | 31,031 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,706 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,150 |
| China Multiple Choice | 0 | - | 4.42 | 32,136 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,815 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,627 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,350 |
