| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 764,230 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,442,543 |
| South America Capitals Quiz | 0 | - | 4.99 | 392,966 |
| Biggest Cities in Texas | 0 | - | 4.23 | 107,025 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,825 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 162,141 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,781 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 307,638 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 103,912 |
| Biggest Cities by Language | 0 | - | 4.95 | 204,624 |
| Biggest Nordic Cities | 0 | - | 4.36 | 58,465 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 72,549 |
| Biggest Cities in Japan | 0 | - | 4.68 | 71,443 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 148,153 |
| Biggest Cities in Russia | 0 | - | 4.46 | 73,077 |
| States of Mexico | 0 | - | 4.93 | 124,967 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 45,867 |
| Biggest Cities in Poland | 0 | - | 4.55 | 44,471 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 12,093 |
| Colombia Country Quiz | 0 | - | 4.88 | 32,151 |
| Biggest Cities Starting With A | 0 | - | 4.50 | 106,261 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 140,395 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 102,448 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 103,872 |
| Biggest Cities Starting With M | 0 | - | 4.60 | 121,351 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 108,124 |
| Biggest Cities in Mexico | 0 | - | 4.53 | 23,651 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 79,220 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 66,156 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.21 | 74,102 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 80,026 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 63,767 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.13 | 59,523 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 19,729 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.84 | 54,483 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 57,835 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 65,026 |
| Biggest U.S. Cities A-Z | 0 | - | 4.59 | 117,033 |
| Biggest World Cities A-Z | 0 | - | 4.37 | 176,507 |
| Biggest Cities in France | 0 | - | 4.48 | 175,667 |
| Biggest Cities in Spain | 0 | - | 4.60 | 144,055 |
| Biggest Cities in Italy | 0 | - | 4.61 | 204,313 |
| Biggest Cities in California | 0 | - | 4.33 | 125,544 |
| Biggest Cities in Florida | 0 | - | 4.17 | 64,663 |
| Capitals of Canadian Provinces | 0 | - | 4.84 | 70,445 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 617,506 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 21,931 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 88,579 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 43,987 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 46,618 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,382 |
| Biggest Cities in New York State | 0 | - | 4.24 | 53,820 |
| Biggest Cities in Europe | 0 | - | 4.50 | 430,463 |
| Biggest Cities in Indiana | 0 | - | 4.25 | 18,883 |
| Biggest Cities in Tennessee | 0 | - | 4.23 | 18,444 |
| Biggest Cities in Canada | 0 | - | 4.62 | 114,970 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 34,797 |
| Central American Countries | 0 | - | 4.96 | 131,056 |
| North America Capitals Quiz | 0 | - | 4.99 | 171,135 |
| Countries Bordering Brazil | 0 | - | 4.97 | 119,425 |
| Biggest Cities in China | 0 | - | 4.43 | 128,317 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 41,078 |
| Biggest Cities in Germany | 0 | - | 4.94 | 245,754 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,816 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 143,082 |
| Biggest City in Every Country | 0 | - | 4.97 | 72,683 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,475 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 57,701 |
| Biggest Cities in Colorado | 0 | - | 4.02 | 28,783 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 26,969 |
| Biggest Cities in Virginia | 0 | - | 4.23 | 21,843 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 23,300 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 30,476 |
| Biggest Cities in Wisconsin | 0 | - | 4.42 | 22,290 |
| Biggest Cities in Georgia | 0 | - | 3.82 | 20,715 |
| Biggest Cities in Massachusetts | 0 | - | 4.34 | 26,081 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 15,222 |
| Biggest Cities in Oregon | 0 | - | 4.06 | 17,878 |
| Biggest Cities in Alaska | 0 | - | 4.26 | 22,522 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.52 | 125,985 |
| Biggest English Cities by Century | 0 | - | 4.92 | 93,578 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 41,514 |
| Biggest European Cities by Letter | 0 | - | 4.49 | 114,768 |
| Biggest Cities in India | 0 | - | 4.60 | 59,345 |
| Biggest Cities in Asia | 0 | - | 4.92 | 90,921 |
| Brazil Country Quiz | 0 | - | 4.49 | 86,587 |
| Argentina Country Quiz | 0 | - | 4.51 | 49,400 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 62,700 |
| Five Biggest Cities by Country | 0 | - | 4.61 | 144,427 |
| Central America and Caribbean Map Quiz | 0 | - | 4.82 | 819,037 |
| Mexico States Map Quiz | 0 | - | 4.84 | 84,097 |
| Barbados Country Quiz | 0 | - | 4.82 | 17,029 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 59,168 |
| Caribbean Countries and Territories | 0 | - | 4.86 | 90,096 |
| States of Brazil | 0 | - | 4.97 | 60,205 |
| Brazil States Map Quiz | 0 | - | 4.82 | 35,418 |
| Brazil Cities Map Quiz | 0 | - | 4.60 | 31,998 |
| Venezuela Country Quiz | 0 | - | 4.46 | 25,678 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 78,245 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 61,303 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 17,726 |
| Most Populous World Capitals | 0 | - | 4.89 | 134,239 |
| South America Map Quiz | 0 | - | 4.99 | 1,346,501 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 102,737 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 27,290 |
| South American Physical Geography | 0 | - | 4.55 | 16,696 |
| Biggest European Cities by Century | 0 | - | 4.96 | 113,117 |
| U.S. Cities by Hispanic Population | 0 | - | 4.24 | 23,836 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 65,992 |
| Chile Country Quiz | 0 | - | 4.70 | 33,051 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.62 | 62,144 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 110,162 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.93 | 64,001 |
| Cities of Ireland | 0 | - | 4.42 | 37,756 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,511 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 157,404 |
| Peru Country Quiz | 0 | - | 4.50 | 41,148 |
| Haiti Country Quiz | 0 | - | 4.85 | 27,249 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 86,378 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 48,915 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 29,714 |
| South American Geography Quiz #2 | 0 | - | 4.60 | 35,662 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 125,683 |
| Paraguay Country Quiz | 0 | - | 4.47 | 21,078 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 76,720 |
| Top 10 Most Populous U.S. States | 0 | - | 4.96 | 130,461 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 153,693 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 26,575 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 40,669 |
| Biggest Cities with Exceptions | 0 | - | 4.85 | 46,050 |
| Bolivia Country Quiz | 0 | - | 4.58 | 22,171 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 42,179 |
| South America Flags Map Quiz | 0 | - | 4.97 | 61,272 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 75,642 |
| Biggest Cities in the UK | 0 | - | 4.42 | 86,363 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 87,928 |
| South American Cities on the Map | 0 | - | 4.54 | 31,851 |
| Megacities on a World Map | 0 | - | 4.98 | 210,802 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 187,411 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 102,469 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.86 | 79,196 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.76 | 41,525 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 86,333 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 346,311 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 109,057 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.31 | 34,424 |
| U.S. State Capitals Map Quiz | 0 | - | 4.88 | 116,787 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 53,005 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.45 | 36,666 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 481,769 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.20 | 77,304 |
| Latin American Countries Map Quiz | 0 | - | 4.96 | 92,556 |
| Megacities on an Empty Map | 0 | - | 4.96 | 82,777 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 57,024 |
| Uruguay Country Quiz | 0 | - | 4.82 | 26,876 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 58,977 |
| All Cities in China with Population of 1 Million | 0 | - | 4.54 | 34,763 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 38,263 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 25,480 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 37,357 |
| Ecuador Country Quiz | 0 | - | 4.55 | 24,316 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 60,143 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 48,399 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 32,495 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 38,349 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 65,789 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 85,161 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 56,981 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 54,004 |
| 1M Cities by Proximity - United States | 0 | - | 4.47 | 128,252 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 40,221 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 284,705 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.88 | 89,092 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 65,975 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 32,588 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 44,495 |
| Which City in Latin America? | 0 | - | 4.60 | 36,729 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.50 | 33,064 |
| Countries That Visit Brazil The Most | 0 | - | 4.96 | 42,739 |
| 500 Biggest US Cities | 0 | - | 4.84 | 87,400 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 27,765 |
| Which City in Canada? | 0 | - | 4.84 | 42,536 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,263 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 72,135 |
| Random State Capital to U.S. State | 0 | - | 4.86 | 69,891 |
| Countries that Beat Brazil | 0 | - | 4.36 | 42,649 |
| Biggest Cities in France - Extreme | 0 | - | 4.86 | 38,049 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.70 | 55,697 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.85 | 65,961 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.88 | 31,234 |
| Which South American Country? | 0 | - | 4.84 | 46,420 |
| Suriname Country Quiz | 0 | - | 4.58 | 16,652 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.57 | 23,399 |
| Guyana Country Quiz | 0 | - | 4.46 | 18,707 |
| Every U.S. Metro Area on a Map | 0 | - | 4.95 | 57,886 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 65,064 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 32,392 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.88 | 55,712 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 75,805 |
| Biggest Cities in Australia on a Map | 0 | - | 4.60 | 30,376 |
