| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 795,273 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,496,712 |
| Chinese Zodiac Quiz | 0 | - | 4.70 | 118,454 |
| Biggest Cities in Texas | 0 | - | 4.24 | 110,046 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 27,558 |
| Biggest Urban Areas in the UK | 0 | - | 4.36 | 165,935 |
| Biggest Cities in New Jersey | 0 | - | 4.05 | 24,544 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 317,374 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.85 | 106,955 |
| Biggest Cities by Language | 0 | - | 4.95 | 210,412 |
| Biggest Nordic Cities | 0 | - | 4.35 | 59,290 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 73,966 |
| Biggest Cities in Japan | 0 | - | 4.70 | 73,989 |
| Biggest US Cities by Decade | 0 | - | 4.96 | 152,291 |
| Biggest Cities in Russia | 0 | - | 4.46 | 75,174 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 47,450 |
| Biggest Cities in Poland | 0 | - | 4.56 | 46,886 |
| Countries that Border China | 0 | - | 4.96 | 229,590 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 12,730 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 109,829 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 105,191 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 107,970 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 125,747 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 112,162 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 28,004 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 81,921 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.30 | 68,555 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.22 | 76,626 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 82,338 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 65,264 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.15 | 61,012 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.15 | 20,849 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.86 | 55,436 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 59,273 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 66,661 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 120,810 |
| Biggest World Cities A-Z | 0 | - | 4.42 | 187,367 |
| Biggest Cities in France | 0 | - | 4.62 | 194,271 |
| Biggest Cities in Spain | 0 | - | 4.48 | 150,213 |
| Biggest Cities in Italy | 0 | - | 4.62 | 212,549 |
| Biggest Cities in California | 0 | - | 4.34 | 128,753 |
| Biggest Cities in Florida | 0 | - | 4.19 | 66,507 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 649,814 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,486 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,168 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 48,891 |
| Biggest Cities in Michigan | 0 | - | 3.97 | 31,980 |
| Biggest Cities in New York State | 0 | - | 4.23 | 55,169 |
| Biggest Cities in Europe | 0 | - | 4.50 | 443,862 |
| Biggest Cities in Indiana | 0 | - | 4.28 | 19,472 |
| Biggest Cities in Tennessee | 0 | - | 4.24 | 18,875 |
| Biggest Cities in Canada | 0 | - | 4.68 | 118,286 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 36,490 |
| Countries Bordering China Since 1914 | 0 | - | 4.89 | 86,432 |
| Asia Capitals Quiz | 0 | - | 4.98 | 576,111 |
| Biggest Cities in China | 0 | - | 4.44 | 134,142 |
| Asian Cities by Clue | 0 | - | 4.68 | 24,645 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,211 |
| Biggest Cities in Germany | 0 | - | 4.94 | 257,054 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 59,414 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 147,920 |
| Biggest City in Every Country | 0 | - | 4.98 | 75,116 |
| Biggest Cities in Louisiana | 0 | - | 4.06 | 17,944 |
| Biggest Cities in Colorado | 0 | - | 4.03 | 29,539 |
| Biggest Cities in Arizona | 0 | - | 4.22 | 27,949 |
| Biggest Cities in Virginia | 0 | - | 4.23 | 22,544 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 24,036 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 31,438 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,045 |
| Biggest Cities in Georgia | 0 | - | 3.86 | 21,278 |
| Biggest Cities in Massachusetts | 0 | - | 4.35 | 27,032 |
| Biggest Cities in Missouri | 0 | - | 4.20 | 15,612 |
| Biggest Cities in Oregon | 0 | - | 4.10 | 18,433 |
| Biggest Cities in Alaska | 0 | - | 4.23 | 23,192 |
| Biggest English Cities by Century | 0 | - | 4.93 | 97,547 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,814 |
| Biggest European Cities by Letter | 0 | - | 4.52 | 117,124 |
| Biggest Cities in India | 0 | - | 4.61 | 61,230 |
| Biggest Cities in Asia | 0 | - | 4.93 | 93,614 |
| Japanese Prefectures | 0 | - | 4.97 | 101,498 |
| China Country Quiz | 0 | - | 4.35 | 101,767 |
| Japan Country Quiz | 0 | - | 4.91 | 116,338 |
| Asia Capital to Country | 0 | - | 4.95 | 103,462 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,004 |
| Five Biggest Cities by Country | 0 | - | 4.50 | 149,340 |
| China Cities Map Quiz | 0 | - | 4.82 | 86,737 |
| Provinces of China Map Quiz | 0 | - | 4.96 | 82,032 |
| Provinces of China | 0 | - | 4.97 | 147,534 |
| South Korea Country Quiz | 0 | - | 4.64 | 70,239 |
| Hong Kong Facts | 0 | - | 4.43 | 27,523 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 60,734 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 96,574 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 62,398 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 18,464 |
| Countries Closest to Japan | 0 | - | 4.94 | 124,856 |
| Most Populous World Capitals | 0 | - | 4.91 | 142,364 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.41 | 28,074 |
| Biggest European Cities by Century | 0 | - | 4.96 | 116,582 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 78,965 |
| U.S. Cities by Hispanic Population | 0 | - | 4.24 | 24,272 |
| Overseas Chinese Population | 0 | - | 4.54 | 39,560 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 69,451 |
| China A-Z | 0 | - | 4.49 | 58,829 |
| Japan A-Z | 0 | - | 4.46 | 38,005 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 64,070 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.93 | 66,283 |
| Cities of Ireland | 0 | - | 4.42 | 38,960 |
| Largest Cities in Alexander's Empire | 0 | - | 4.48 | 38,315 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 163,172 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 89,071 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 50,079 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 128,849 |
| Cities of China (With Some Help) | 0 | - | 4.88 | 27,626 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,103 |
| Biggest Cities with Exceptions | 0 | - | 4.84 | 50,198 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 157,414 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 43,305 |
| Asian Capitals - Map Quiz | 0 | - | 4.96 | 49,226 |
| Biggest Cities in the UK | 0 | - | 4.41 | 91,064 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 91,614 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,618 |
| Megacities on a World Map | 0 | - | 4.98 | 216,377 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 194,745 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.83 | 55,867 |
| Asian Capitals by Map | 0 | - | 4.98 | 44,285 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 106,503 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.87 | 81,808 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.70 | 42,175 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 89,161 |
| Cities of the Pearl River Delta | 0 | - | 4.61 | 14,289 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 361,750 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.29 | 36,177 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 54,781 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,414 |
| World Capitals Closest to Bangkok | 0 | - | 4.93 | 37,646 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 501,641 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.21 | 86,081 |
| Megacities on an Empty Map | 0 | - | 4.96 | 85,606 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.88 | 45,717 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 76,298 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 58,710 |
| Southeast Asian Cities by Map | 0 | - | 4.68 | 24,584 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 66,150 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 61,594 |
| All Cities in China with Population of 1 Million | 0 | - | 4.61 | 36,914 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 27,552 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 39,538 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 62,328 |
| Most Visited Countries by Chinese People | 0 | - | 4.40 | 51,342 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 52,099 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.44 | 51,767 |
| Biggest Trading Partners - China | 0 | - | 4.97 | 68,772 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 82,867 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 39,577 |
| Chinese Geography on the Map | 0 | - | 4.53 | 21,717 |
| Most Guessed Asian Capitals | 0 | - | 4.50 | 62,571 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 67,615 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.51 | 73,514 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 55,532 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,167 |
| Flags of Countries that Border China | 0 | - | 4.92 | 79,839 |
| Closest Countries to North Korea | 0 | - | 4.91 | 102,390 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 296,986 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 94,171 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 67,939 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,445 |
| Which City in the Middle East? | 0 | - | 4.48 | 50,175 |
| Japan by Picture | 0 | - | 4.41 | 25,588 |
| China by Picture | 0 | - | 4.50 | 52,854 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 68,020 |
| 500 Biggest US Cities | 0 | - | 4.84 | 93,683 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,380 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,901 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 79,136 |
| Random Asian Capital to Country | 0 | - | 4.95 | 86,830 |
| Random Asian Country to Capital | 0 | - | 4.91 | 84,020 |
| Countries that Beat China | 0 | - | 4.50 | 97,423 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 41,734 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 61,654 |
| Random Asian City to Country | 0 | - | 4.42 | 33,237 |
| Taiwan Country Quiz | 0 | - | 4.82 | 38,798 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.88 | 72,452 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 90,848 |
| China Multiple Choice | 0 | - | 4.41 | 34,822 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.60 | 24,152 |
| Countries Closest to Taiwan | 0 | - | 4.76 | 73,276 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 34,722 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.89 | 57,847 |
| Random Asian Capitals on a Map | 0 | - | 4.80 | 44,043 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 31,968 |
| Largest Nordic Cities on a Map | 0 | - | 4.60 | 21,171 |
| Hong Kong A-Z | 0 | - | 4.52 | 13,416 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,188 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 50,725 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.39 | 22,020 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 35,855 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 40,129 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 53,092 |
| Name a Valid Asian Capital | 0 | - | 4.49 | 53,753 |
| Tokyo City Trivia | 0 | - | 4.50 | 12,234 |
