| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 705,064 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,332,403 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,770 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,828 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,493 |
| Communist Countries in History | 0 | - | 4.47 | 381,778 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,057 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,922 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,551 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,563 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,884 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,367 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,412 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,127 |
| Ancient City to Country | 0 | - | 4.78 | 83,290 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,670 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,344 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,573 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,097 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,381 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,798 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,412 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,949 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,605 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,639 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,564 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,165 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,469 |
| Biggest Cities Starting With H | 0 | - | 4.49 | 75,137 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,243 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,646 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,319 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,200 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,416 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 92,917 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,878 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,881 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,272 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,081 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,349 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,242 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,114 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,818 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,647 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,333 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,224 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,782 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,459 |
| Biggest Cities in France | 0 | - | 4.50 | 160,824 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,294 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,360 |
| Countries in World War II | 0 | - | 4.47 | 677,100 |
| Biggest Cities in California | 0 | - | 4.32 | 119,602 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,248 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 569,021 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,783 |
| Countries in World War I | 0 | - | 4.92 | 182,127 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,846 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,199 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,547 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,817 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,112 |
| Biggest Cities in Europe | 0 | - | 4.57 | 402,382 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,444 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,196 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,440 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,444 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,589 |
| Biggest Cities in China | 0 | - | 4.41 | 117,566 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,976 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,491 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,306 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,531 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,118 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,586 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,299 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,021 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,671 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,260 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,389 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,674 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,507 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,331 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,105 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,149 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,619 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,733 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,665 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,047 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,261 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,093 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,507 |
| Biggest Cities in India | 0 | - | 4.52 | 54,660 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,556 |
| Biggest City by Island | 0 | - | 4.49 | 42,091 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,645 |
| Biggest Cities in History | 0 | - | 4.49 | 70,138 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,380 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,727 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,816 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,128 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,013 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,155 |
| Important Cities in European History | 0 | - | 4.49 | 88,167 |
| Important Cities in WWII | 0 | - | 4.37 | 75,692 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 180,980 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,088 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,061 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,934 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,436 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,745 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,854 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,608 |
| Biggest City by Region | 0 | - | 4.50 | 28,966 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,028 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,710 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,360 |
| City-States | 0 | - | 4.53 | 31,379 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,774 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,368 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,826 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,010 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,960 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,197 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,467 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,448 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,728 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,945 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,239 |
| Cities of Ireland | 0 | - | 4.39 | 35,577 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,744 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,502 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,256 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,810 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,239 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,744 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,366 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,700 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,564 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,298 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,390 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 81,412 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,408 |
| Megacities on a World Map | 0 | - | 4.97 | 198,485 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,308 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,693 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,068 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,804 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,512 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 43,979 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,503 |
| Countries of Europe After World War II | 0 | - | 4.97 | 142,706 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,555 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 300,494 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,175 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,851 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,568 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,771 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,185 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,810 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,733 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,467 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,138 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,036 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,483 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,926 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 54,947 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,141 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 55,980 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,429 |
| Cities Founded by the French in North America | 0 | - | 4.54 | 35,299 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 37,156 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,863 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,308 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,109 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,204 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,754 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,286 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,122 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,198 |
| Biggest Cities Near a Border | 0 | - | 4.12 | 14,496 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,317 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,028 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,041 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,603 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,474 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,097 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,255 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,208 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,714 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,229 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,358 |
| Cities Bombed During WWII | 0 | - | 4.03 | 24,273 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,797 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,973 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,544 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,742 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,437 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 67,333 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,738 |
