| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 745,621 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,410,012 |
| South America Capitals Quiz | 0 | - | 4.99 | 383,024 |
| Biggest Cities in Texas | 0 | - | 4.24 | 105,704 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,307 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 160,587 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,352 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 301,179 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 130,575 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 102,580 |
| Biggest Cities by Language | 0 | - | 4.95 | 201,500 |
| Biggest Nordic Cities | 0 | - | 4.36 | 57,926 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 71,547 |
| Biggest Cities in Japan | 0 | - | 4.68 | 69,996 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 145,800 |
| Biggest Cities in Russia | 0 | - | 4.48 | 71,750 |
| States of Mexico | 0 | - | 4.92 | 119,724 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 44,637 |
| Biggest Cities in Poland | 0 | - | 4.55 | 43,255 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 11,666 |
| Colombia Country Quiz | 0 | - | 4.88 | 31,077 |
| Biggest Cities Starting With A | 0 | - | 4.49 | 104,133 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 138,244 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 100,471 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 102,123 |
| Biggest Cities Starting With M | 0 | - | 4.52 | 119,279 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 106,286 |
| Biggest Cities Starting With S | 0 | - | 4.38 | 105,609 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 22,859 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 77,923 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 64,971 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.21 | 72,894 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 78,906 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 63,028 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.12 | 58,828 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 19,193 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.84 | 53,973 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 57,118 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 64,215 |
| Biggest U.S. Cities A-Z | 0 | - | 4.52 | 114,745 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 173,766 |
| Biggest Cities in France | 0 | - | 4.45 | 171,687 |
| Biggest Cities in Spain | 0 | - | 4.60 | 140,531 |
| Biggest Cities in Italy | 0 | - | 4.60 | 199,632 |
| Biggest Cities in California | 0 | - | 4.33 | 124,078 |
| Biggest Cities in Florida | 0 | - | 4.18 | 63,818 |
| Capitals of Canadian Provinces | 0 | - | 4.84 | 68,888 |
| Biggest Cities in the World Quiz | 0 | - | 4.80 | 603,393 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 21,377 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 87,142 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 43,298 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 45,352 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,048 |
| Biggest Cities in New York State | 0 | - | 4.24 | 53,122 |
| Biggest Cities in Europe | 0 | - | 4.50 | 422,396 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 18,526 |
| Biggest Cities in Tennessee | 0 | - | 4.23 | 18,167 |
| Biggest Cities in Canada | 0 | - | 4.60 | 113,140 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 33,522 |
| Central American Countries | 0 | - | 4.96 | 128,273 |
| North America Capitals Quiz | 0 | - | 4.99 | 166,042 |
| Countries Bordering Brazil | 0 | - | 4.97 | 109,360 |
| Biggest Cities in China | 0 | - | 4.42 | 125,265 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 40,527 |
| Biggest Cities in Germany | 0 | - | 4.94 | 239,914 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,285 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 140,564 |
| Biggest City in Every Country | 0 | - | 4.97 | 71,245 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,218 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 56,352 |
| Biggest Cities in Colorado | 0 | - | 4.01 | 28,357 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 26,470 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 21,475 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 22,871 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 29,827 |
| Biggest Cities in Wisconsin | 0 | - | 4.42 | 21,789 |
| Biggest Cities in Georgia | 0 | - | 3.81 | 20,389 |
| Biggest Cities in Massachusetts | 0 | - | 4.33 | 25,632 |
| Biggest Cities in Missouri | 0 | - | 4.17 | 14,970 |
| Biggest Cities in Oregon | 0 | - | 4.05 | 17,560 |
| Biggest Cities in Alaska | 0 | - | 4.26 | 22,110 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.52 | 124,599 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.45 | 94,519 |
| Biggest English Cities by Century | 0 | - | 4.92 | 91,242 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 40,626 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 113,395 |
| Biggest Cities in India | 0 | - | 4.60 | 57,908 |
| Biggest Cities in Asia | 0 | - | 4.91 | 89,323 |
| Brazil Country Quiz | 0 | - | 4.48 | 84,388 |
| Argentina Country Quiz | 0 | - | 4.51 | 48,328 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 61,490 |
| Five Biggest Cities by Country | 0 | - | 4.60 | 141,812 |
| Central America and Caribbean Map Quiz | 0 | - | 4.80 | 809,324 |
| Mexico States Map Quiz | 0 | - | 4.83 | 82,097 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 58,318 |
| Caribbean Countries and Territories | 0 | - | 4.88 | 88,801 |
| States of Brazil | 0 | - | 4.97 | 57,152 |
| Brazil States Map Quiz | 0 | - | 4.82 | 33,987 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 31,239 |
| Venezuela Country Quiz | 0 | - | 4.46 | 25,013 |
| U.S. States with the Lowest Population Density | 0 | - | 4.89 | 77,086 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.50 | 60,554 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 17,187 |
| Most Populous World Capitals | 0 | - | 4.89 | 132,353 |
| South America Map Quiz | 0 | - | 4.99 | 1,321,608 |
| Speed Capital to U.S. State | 0 | - | 4.43 | 101,685 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 26,761 |
| South American Physical Geography | 0 | - | 4.56 | 16,192 |
| Biggest European Cities by Century | 0 | - | 4.95 | 110,865 |
| U.S. Cities by Hispanic Population | 0 | - | 4.23 | 23,516 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 63,751 |
| Chile Country Quiz | 0 | - | 4.70 | 32,101 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.60 | 61,098 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 108,334 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 62,284 |
| Cities of Ireland | 0 | - | 4.42 | 37,088 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 36,987 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 153,672 |
| Peru Country Quiz | 0 | - | 4.49 | 40,193 |
| Haiti Country Quiz | 0 | - | 4.85 | 26,569 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 84,650 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.79 | 48,127 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 29,196 |
| South American Geography Quiz #2 | 0 | - | 4.56 | 34,971 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 123,594 |
| Paraguay Country Quiz | 0 | - | 4.47 | 20,509 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 75,562 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 128,127 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 151,594 |
| Cities of China (With Some Help) | 0 | - | 4.84 | 25,578 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 39,783 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 45,063 |
| Bolivia Country Quiz | 0 | - | 4.58 | 21,539 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 41,356 |
| South America Flags Map Quiz | 0 | - | 4.96 | 57,932 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 73,174 |
| Biggest Cities in the UK | 0 | - | 4.42 | 84,596 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 86,225 |
| South American Cities on the Map | 0 | - | 4.53 | 31,231 |
| Megacities on a World Map | 0 | - | 4.98 | 207,105 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 183,311 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 100,367 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 77,556 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 40,707 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.96 | 84,683 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 336,339 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 106,614 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.30 | 33,948 |
| U.S. State Capitals Map Quiz | 0 | - | 4.87 | 114,030 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 52,110 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 36,145 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 470,817 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.14 | 72,854 |
| Latin American Countries Map Quiz | 0 | - | 4.96 | 87,964 |
| Megacities on an Empty Map | 0 | - | 4.96 | 81,063 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 55,610 |
| Uruguay Country Quiz | 0 | - | 4.80 | 26,231 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 57,527 |
| All Cities in China with Population of 1 Million | 0 | - | 4.53 | 33,352 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.86 | 37,716 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 24,198 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 35,930 |
| Ecuador Country Quiz | 0 | - | 4.55 | 23,717 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 58,621 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 46,340 |
| Biggest Trading Partners - Colombia | 0 | - | 4.71 | 22,493 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 37,793 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.69 | 64,678 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 83,188 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 56,128 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 53,175 |
| 1M Cities by Proximity - United States | 0 | - | 4.47 | 126,147 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 39,435 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 277,446 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 86,080 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 64,782 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 31,923 |
| Which City in Latin America? | 0 | - | 4.60 | 36,197 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 32,210 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 41,444 |
| 500 Biggest US Cities | 0 | - | 4.85 | 83,865 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 27,354 |
| Which City in Canada? | 0 | - | 4.83 | 41,744 |
| Saint Lucia Country Quiz | 0 | - | 4.62 | 14,845 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 65,276 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 61,417 |
| Countries that Beat Brazil | 0 | - | 4.36 | 41,798 |
| Biggest Cities in France - Extreme | 0 | - | 4.85 | 36,051 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.71 | 51,108 |
| Paraguay... or Uruguay? | 0 | - | 4.48 | 24,095 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.84 | 62,070 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.82 | 29,520 |
| Which South American Country? | 0 | - | 4.74 | 38,237 |
| Suriname Country Quiz | 0 | - | 4.58 | 16,160 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.56 | 22,871 |
| Guyana Country Quiz | 0 | - | 4.45 | 18,134 |
| Every U.S. Metro Area on a Map | 0 | - | 4.95 | 56,297 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 62,964 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 30,975 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.85 | 54,454 |
