| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 767,272 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,447,186 |
| South America Capitals Quiz | 0 | - | 4.99 | 394,840 |
| Biggest Cities in Texas | 0 | - | 4.23 | 107,228 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,926 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 162,414 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,840 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 308,707 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 104,429 |
| Biggest Cities by Language | 0 | - | 4.95 | 205,343 |
| Biggest Nordic Cities | 0 | - | 4.36 | 58,580 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 72,690 |
| Biggest Cities in Japan | 0 | - | 4.68 | 71,764 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 148,628 |
| Biggest Cities in Russia | 0 | - | 4.46 | 73,316 |
| States of Mexico | 0 | - | 4.93 | 125,910 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 46,051 |
| Biggest Cities in Poland | 0 | - | 4.55 | 44,688 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 12,159 |
| Colombia Country Quiz | 0 | - | 4.88 | 32,323 |
| Biggest Cities Starting With A | 0 | - | 4.49 | 106,504 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 102,673 |
| Biggest Cities Starting With L | 0 | - | 4.41 | 104,140 |
| Biggest Cities Starting With M | 0 | - | 4.52 | 121,665 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 108,384 |
| Biggest Cities in Mexico | 0 | - | 4.53 | 23,783 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 79,431 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 66,343 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.21 | 74,288 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 80,206 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 63,897 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.13 | 59,669 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 19,827 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.84 | 54,570 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 57,960 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 65,191 |
| Biggest U.S. Cities A-Z | 0 | - | 4.59 | 117,407 |
| Biggest World Cities A-Z | 0 | - | 4.37 | 176,979 |
| Biggest Cities in France | 0 | - | 4.48 | 176,374 |
| Biggest Cities in Spain | 0 | - | 4.50 | 144,603 |
| Biggest Cities in Italy | 0 | - | 4.61 | 205,088 |
| Biggest Cities in California | 0 | - | 4.34 | 125,811 |
| Biggest Cities in Florida | 0 | - | 4.17 | 64,802 |
| Capitals of Canadian Provinces | 0 | - | 4.84 | 70,689 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 619,980 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,011 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 88,766 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 44,090 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 46,838 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,417 |
| Biggest Cities in New York State | 0 | - | 4.24 | 53,924 |
| Biggest Cities in Europe | 0 | - | 4.50 | 431,866 |
| Biggest Cities in Indiana | 0 | - | 4.25 | 18,930 |
| Biggest Cities in Tennessee | 0 | - | 4.22 | 18,482 |
| Biggest Cities in Canada | 0 | - | 4.62 | 115,278 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 34,974 |
| Central American Countries | 0 | - | 4.96 | 131,660 |
| North America Capitals Quiz | 0 | - | 4.99 | 172,166 |
| Countries Bordering Brazil | 0 | - | 4.97 | 119,895 |
| Biggest Cities in China | 0 | - | 4.43 | 128,813 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 41,225 |
| Biggest Cities in Germany | 0 | - | 4.94 | 246,933 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,938 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 143,581 |
| Biggest City in Every Country | 0 | - | 4.97 | 72,921 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,508 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 57,951 |
| Biggest Cities in Colorado | 0 | - | 4.02 | 28,836 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 27,052 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 21,917 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 23,354 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 30,573 |
| Biggest Cities in Wisconsin | 0 | - | 4.42 | 22,356 |
| Biggest Cities in Georgia | 0 | - | 3.82 | 20,762 |
| Biggest Cities in Massachusetts | 0 | - | 4.34 | 26,165 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 15,253 |
| Biggest Cities in Oregon | 0 | - | 4.06 | 17,911 |
| Biggest Cities in Alaska | 0 | - | 4.26 | 22,570 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.52 | 126,234 |
| Biggest English Cities by Century | 0 | - | 4.93 | 94,339 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 41,653 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 114,969 |
| Biggest Cities in India | 0 | - | 4.60 | 59,562 |
| Biggest Cities in Asia | 0 | - | 4.92 | 91,184 |
| Brazil Country Quiz | 0 | - | 4.49 | 86,888 |
| Argentina Country Quiz | 0 | - | 4.51 | 49,570 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 62,966 |
| Five Biggest Cities by Country | 0 | - | 4.52 | 145,152 |
| Central America and Caribbean Map Quiz | 0 | - | 4.82 | 821,613 |
| Mexico States Map Quiz | 0 | - | 4.84 | 84,443 |
| Barbados Country Quiz | 0 | - | 4.82 | 17,117 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 59,328 |
| Caribbean Countries and Territories | 0 | - | 4.86 | 90,308 |
| States of Brazil | 0 | - | 4.97 | 60,601 |
| Brazil States Map Quiz | 0 | - | 4.83 | 35,699 |
| Brazil Cities Map Quiz | 0 | - | 4.60 | 32,122 |
| Venezuela Country Quiz | 0 | - | 4.46 | 25,793 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 78,426 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 61,442 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 17,794 |
| Most Populous World Capitals | 0 | - | 4.89 | 134,534 |
| South America Map Quiz | 0 | - | 5.00 | 1,351,914 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 102,940 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 27,361 |
| South American Physical Geography | 0 | - | 4.55 | 16,766 |
| Biggest European Cities by Century | 0 | - | 4.96 | 113,548 |
| U.S. Cities by Hispanic Population | 0 | - | 4.24 | 23,886 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 66,377 |
| Chile Country Quiz | 0 | - | 4.70 | 33,202 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.62 | 62,353 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 110,458 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 64,293 |
| Cities of Ireland | 0 | - | 4.42 | 37,874 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,615 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 157,979 |
| Peru Country Quiz | 0 | - | 4.50 | 41,304 |
| Haiti Country Quiz | 0 | - | 4.85 | 27,387 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 86,654 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 49,048 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 29,797 |
| South American Geography Quiz #2 | 0 | - | 4.60 | 35,775 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 126,019 |
| Paraguay Country Quiz | 0 | - | 4.48 | 21,161 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 76,915 |
| Top 10 Most Populous U.S. States | 0 | - | 4.96 | 130,862 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 154,082 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 26,723 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 40,833 |
| Biggest Cities with Exceptions | 0 | - | 4.85 | 46,210 |
| Bolivia Country Quiz | 0 | - | 4.58 | 22,285 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 42,325 |
| South America Flags Map Quiz | 0 | - | 4.97 | 61,857 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 76,100 |
| Biggest Cities in the UK | 0 | - | 4.41 | 86,686 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 88,218 |
| South American Cities on the Map | 0 | - | 4.54 | 31,955 |
| Megacities on a World Map | 0 | - | 4.98 | 211,360 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 188,158 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 102,823 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.86 | 79,490 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.76 | 41,650 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 86,638 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 348,027 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 109,482 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.31 | 34,555 |
| U.S. State Capitals Map Quiz | 0 | - | 4.88 | 117,256 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 53,183 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.45 | 36,767 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 483,655 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.20 | 78,021 |
| Latin American Countries Map Quiz | 0 | - | 4.96 | 93,783 |
| Megacities on an Empty Map | 0 | - | 4.96 | 83,055 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 57,271 |
| Uruguay Country Quiz | 0 | - | 4.82 | 26,998 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 59,229 |
| All Cities in China with Population of 1 Million | 0 | - | 4.54 | 34,943 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.87 | 38,336 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 25,692 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 37,532 |
| Ecuador Country Quiz | 0 | - | 4.55 | 24,421 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 60,414 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 48,695 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 32,679 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 38,450 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 65,976 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 85,553 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 57,118 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 54,154 |
| 1M Cities by Proximity - United States | 0 | - | 4.47 | 128,628 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 40,359 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 285,971 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 89,566 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 66,171 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 32,686 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 44,606 |
| Which City in Latin America? | 0 | - | 4.61 | 37,014 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.50 | 33,192 |
| Countries That Visit Brazil The Most | 0 | - | 4.96 | 42,937 |
| 500 Biggest US Cities | 0 | - | 4.84 | 87,882 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 27,829 |
| Which City in Canada? | 0 | - | 4.85 | 42,686 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,330 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 72,732 |
| Random State Capital to U.S. State | 0 | - | 4.86 | 70,226 |
| Countries that Beat Brazil | 0 | - | 4.36 | 42,893 |
| Biggest Cities in France - Extreme | 0 | - | 4.86 | 38,374 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.70 | 56,688 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.86 | 66,664 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 31,547 |
| Which South American Country? | 0 | - | 4.84 | 46,563 |
| Suriname Country Quiz | 0 | - | 4.58 | 16,721 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.57 | 23,492 |
| Guyana Country Quiz | 0 | - | 4.47 | 18,786 |
| Every U.S. Metro Area on a Map | 0 | - | 4.95 | 58,139 |
| Most-Visited U.S. Cities | 0 | - | 4.88 | 65,499 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 32,648 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.88 | 55,934 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 76,240 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 30,548 |
| Largest Nordic Cities on a Map | 0 | - | 4.52 | 17,727 |
