| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,187 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,334,617 |
| South America Capitals Quiz | 0 | - | 4.99 | 359,615 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,854 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,864 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,594 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,074 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,311 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,684 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,653 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.83 | 98,965 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,546 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,446 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,203 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,707 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,432 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,633 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,658 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,118 |
| Africa Capitals Quiz | 0 | - | 4.99 | 526,358 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,515 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,039 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,628 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,792 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,737 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,581 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,281 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,306 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,791 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,485 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,352 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,545 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,079 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,943 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,965 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,348 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,152 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,407 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,284 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,156 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,853 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,685 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,383 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,264 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,927 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,630 |
| Biggest Cities in France | 0 | - | 4.52 | 161,111 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,528 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,589 |
| Biggest Cities in California | 0 | - | 4.30 | 119,710 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,304 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 569,962 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,818 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,954 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,231 |
| Countries of Africa | 0 | - | 5.00 | 1,727,840 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,620 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,837 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,153 |
| Biggest Cities in Europe | 0 | - | 4.56 | 402,910 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,474 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,225 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,590 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,500 |
| Asia Capitals Quiz | 0 | - | 4.97 | 500,330 |
| Burundi Country Quiz | 0 | - | 4.53 | 14,000 |
| Biggest Cities in China | 0 | - | 4.41 | 117,882 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,000 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,845 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,361 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,559 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,301 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,680 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,319 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,043 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,715 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,281 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,418 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,720 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,548 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,350 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,133 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,170 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,657 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,776 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,714 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,105 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,428 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,150 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,588 |
| Biggest Cities in India | 0 | - | 4.51 | 54,744 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,787 |
| Biggest City by Island | 0 | - | 4.49 | 42,143 |
| Official Cities in the UK | 0 | - | 4.89 | 196,871 |
| Biggest Cities in History | 0 | - | 4.49 | 70,339 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,771 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,829 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,216 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,180 |
| Europe Capital to Country | 0 | - | 4.99 | 198,683 |
| Flags of Africa Quiz | 0 | - | 4.99 | 305,419 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,146 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,120 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,987 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,796 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,893 |
| Countries Closest to Africa | 0 | - | 4.96 | 116,345 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,721 |
| Biggest City by Region | 0 | - | 4.50 | 29,022 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,103 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,736 |
| Africa Map Quiz | 0 | - | 5.00 | 1,755,329 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,406 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,895 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,850 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,040 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,053 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,304 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,535 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,472 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,813 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,082 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,351 |
| African Capitals by Map | 0 | - | 4.99 | 83,185 |
| Cities of Ireland | 0 | - | 4.39 | 35,610 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,782 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,733 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,939 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,282 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,918 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,441 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,773 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,625 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 164,923 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,805 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,351 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 43,246 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 197,285 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,539 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,534 |
| Countries Bordering D.R. Congo | 0 | - | 4.98 | 54,105 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,474 |
| Megacities on a World Map | 0 | - | 4.97 | 198,983 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 157,689 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,747 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,420 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 62,493 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,014 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,573 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,014 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,754 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,209 |
| 10 Northernmost Countries in Africa | 0 | - | 4.99 | 116,823 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,217 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,925 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,612 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,836 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,902 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,949 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,844 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,624 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,342 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,061 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,690 |
| All Cities in India with Population of 1 Million | 0 | - | 4.78 | 31,409 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,048 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,265 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,062 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,462 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 37,407 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,940 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,181 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,244 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,515 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,363 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,505 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,218 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,681 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,505 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,119 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,324 |
| Which City in Africa? | 0 | - | 4.64 | 43,143 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,243 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,833 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,464 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,388 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,819 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,083 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,655 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,916 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,642 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 67,480 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,625 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 27,294 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 41,810 |
| Random African Countries on a Map | 0 | - | 4.98 | 198,562 |
| Random African Capitals on a Map | 0 | - | 4.91 | 40,419 |
| Biggest Cities in Australia on a Map | 0 | - | 4.58 | 26,989 |
| Largest Nordic Cities on a Map | 0 | - | 4.48 | 15,500 |
| São Tomé and Príncipe Country Quiz | 0 | - | 4.57 | 14,223 |
