| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 708,713 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,339,861 |
| South America Capitals Quiz | 0 | - | 4.99 | 361,356 |
| Biggest Cities in Texas | 0 | - | 4.20 | 95,010 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,929 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,813 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,124 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,093 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,929 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,824 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,171 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,192 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,522 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,345 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,801 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,625 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,958 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,836 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,182 |
| Africa Capitals Quiz | 0 | - | 4.99 | 528,815 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,734 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,216 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,682 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,084 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,020 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,389 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,800 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,711 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,459 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,056 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,824 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,637 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,830 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,348 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,058 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,213 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,575 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,551 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,608 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,444 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,301 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,990 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,814 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,533 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,435 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,184 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,088 |
| Australian States and Territories Quiz | 0 | - | 4.96 | 102,956 |
| Biggest Cities in France | 0 | - | 4.52 | 161,695 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,998 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,226 |
| Biggest Cities in California | 0 | - | 4.30 | 119,944 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,485 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 571,907 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,899 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,176 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,337 |
| Biggest Cities in The Netherlands | 0 | - | 4.40 | 36,012 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,880 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,254 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,986 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,535 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,274 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,849 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,621 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,131 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 185,720 |
| Asia Capitals Quiz | 0 | - | 4.97 | 502,310 |
| Biggest Cities in China | 0 | - | 4.43 | 118,346 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,083 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,771 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,458 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,611 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 134,974 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,863 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,354 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,108 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,804 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,334 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,497 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,814 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,601 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,389 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,189 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,210 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,708 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,836 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,805 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,221 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,783 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,319 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,756 |
| Biggest Cities in India | 0 | - | 4.52 | 54,912 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,013 |
| Biggest City by Island | 0 | - | 4.49 | 42,251 |
| Official Cities in the UK | 0 | - | 4.89 | 197,684 |
| Asia Capital to Country | 0 | - | 4.96 | 95,766 |
| Biggest Cities in History | 0 | - | 4.47 | 70,661 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,878 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,893 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,409 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,507 |
| Europe Capital to Country | 0 | - | 4.99 | 199,116 |
| Australia Cities Map Quiz | 0 | - | 4.84 | 109,585 |
| Australia Map Quiz | 0 | - | 4.94 | 282,464 |
| Flags of Oceania | 0 | - | 5.00 | 178,562 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,257 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,229 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,110 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.57 | 58,602 |
| Countries Closest to Australia | 0 | - | 4.99 | 132,570 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,968 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,225 |
| Biggest City by Region | 0 | - | 4.50 | 29,177 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,279 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,871 |
| Oceania Map Quiz | 0 | - | 4.97 | 503,087 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,464 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,211 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,703 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,888 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,108 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,259 |
| Melbourne Suburbs | 0 | - | 4.64 | 27,910 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,407 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,691 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,531 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,982 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,319 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,553 |
| Cities of Ireland | 0 | - | 4.40 | 35,692 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,869 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,260 |
| EU Capitals with No Hints | 0 | - | 4.94 | 98,896 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,182 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,386 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,318 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,383 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,799 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,583 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,988 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,774 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,492 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,379 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,154 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,474 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,460 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,826 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 81,804 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,600 |
| Megacities on a World Map | 0 | - | 4.97 | 199,752 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,522 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,863 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,488 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,686 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,709 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,082 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 74,615 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,644 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 91,785 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,172 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,290 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,037 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,482 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,064 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,720 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,948 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,605 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,210 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,046 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,965 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,635 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,128 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,067 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,823 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,308 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,451 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,227 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,569 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,759 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,096 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,306 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,377 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,594 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,510 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,689 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,675 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,862 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,585 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,169 |
| Ten Southernmost Megacities | 0 | - | 4.68 | 32,420 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,306 |
| Which City in Australia? | 0 | - | 4.56 | 20,009 |
| Flags to Largest Cities | 0 | - | 4.55 | 23,065 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,027 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,458 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,890 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,363 |
| Random European Capital to Country | 0 | - | 4.97 | 128,712 |
| Random European Country to Capital | 0 | - | 4.90 | 103,956 |
