| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 704,391 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,330,998 |
| South America Capitals Quiz | 0 | - | 4.99 | 358,699 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,719 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,799 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,423 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,041 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,733 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,463 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,518 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,836 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,256 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,392 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,092 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,646 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,295 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,417 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,530 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,091 |
| Africa Capitals Quiz | 0 | - | 4.99 | 524,607 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,376 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,911 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.35 | 10,596 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,532 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,444 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,403 |
| Biggest Cities Starting With H | 0 | - | 4.49 | 75,047 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,198 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,547 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,201 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,077 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,288 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 92,520 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,840 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,743 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,175 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 69,985 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 75,993 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,186 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,069 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,778 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,609 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,276 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,165 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,715 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,359 |
| Biggest Cities in France | 0 | - | 4.50 | 160,646 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,182 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,205 |
| Biggest Cities in California | 0 | - | 4.32 | 119,550 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,217 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 568,509 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,762 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,802 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,168 |
| Countries of Africa | 0 | - | 5.00 | 1,720,659 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,511 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,803 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,084 |
| Biggest Cities in Europe | 0 | - | 4.57 | 402,087 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,424 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,181 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,157 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,410 |
| Asia Capitals Quiz | 0 | - | 4.97 | 498,816 |
| Burundi Country Quiz | 0 | - | 4.53 | 13,952 |
| Biggest Cities in China | 0 | - | 4.41 | 117,428 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,953 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,246 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,277 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,518 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,032 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,544 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,287 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,002 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,651 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,248 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,366 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,651 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,486 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,321 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,085 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,142 |
| Biggest Cities in Oregon | 0 | - | 4.00 | 16,598 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,709 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,644 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,019 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,196 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,054 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,469 |
| Biggest Cities in India | 0 | - | 4.52 | 54,617 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,514 |
| Biggest City by Island | 0 | - | 4.49 | 42,061 |
| Official Cities in the UK | 0 | - | 4.89 | 196,345 |
| Biggest Cities in History | 0 | - | 4.49 | 70,058 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 39,699 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,807 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,084 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 121,911 |
| Europe Capital to Country | 0 | - | 4.99 | 198,346 |
| Flags of Africa Quiz | 0 | - | 4.99 | 304,170 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,051 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,024 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,901 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,729 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,840 |
| Countries Closest to Africa | 0 | - | 4.96 | 115,672 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,564 |
| Biggest City by Region | 0 | - | 4.50 | 28,932 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 38,982 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,680 |
| Africa Map Quiz | 0 | - | 5.00 | 1,752,212 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,340 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,682 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,818 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,003 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,901 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,094 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 58,434 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,437 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,692 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,879 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,173 |
| African Capitals by Map | 0 | - | 4.99 | 82,536 |
| Cities of Ireland | 0 | - | 4.39 | 35,560 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,726 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,357 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,748 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,215 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,671 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,327 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,663 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,519 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 164,486 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,320 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,270 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 43,079 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 196,911 |
| Biggest Cities in the UK | 0 | - | 4.42 | 78,927 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 81,351 |
| Countries Bordering D.R. Congo | 0 | - | 4.98 | 53,970 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,380 |
| Megacities on a World Map | 0 | - | 4.97 | 198,339 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,180 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,661 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,016 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 62,253 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,744 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.84 | 38,469 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 43,960 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,448 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 300,162 |
| 10 Northernmost Countries in Africa | 0 | - | 4.99 | 116,560 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,151 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,814 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,547 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,747 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 431,716 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,743 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,666 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,382 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,016 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,020 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,343 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,878 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 54,877 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,092 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 55,931 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,405 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 36,949 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,823 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,092 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,159 |
| Biggest Cities Near a Border | 0 | - | 4.12 | 14,490 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,289 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 259,776 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 78,961 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,562 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,453 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,078 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,228 |
| Which City in Africa? | 0 | - | 4.57 | 43,079 |
| Biggest Cities by Trait #2 | 0 | - | 4.30 | 12,188 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,648 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,093 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,331 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,778 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,924 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,493 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,675 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,322 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 67,246 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,568 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 27,128 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.81 | 41,647 |
| Random African Countries on a Map | 0 | - | 4.98 | 197,789 |
| Random African Capitals on a Map | 0 | - | 4.91 | 40,188 |
| Biggest Cities in Australia on a Map | 0 | - | 4.58 | 26,884 |
| Largest Nordic Cities on a Map | 0 | - | 4.48 | 15,419 |
| São Tomé and Príncipe Country Quiz | 0 | - | 4.57 | 14,177 |
