| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 709,159 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,340,679 |
| South America Capitals Quiz | 0 | - | 4.99 | 361,609 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,241 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,943 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,837 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,138 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,226 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,840 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,197 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,264 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,541 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,368 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,662 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,019 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,862 |
| States of Mexico | 0 | - | 4.92 | 106,808 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,763 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,256 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,696 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,793 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,071 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,879 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,076 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,256 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,601 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,586 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,641 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,478 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,327 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,005 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,831 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,566 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,467 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,231 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,155 |
| Biggest Cities in France | 0 | - | 4.52 | 161,792 |
| Biggest Cities in Spain | 0 | - | 4.65 | 133,095 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,344 |
| Biggest Cities in California | 0 | - | 4.30 | 120,007 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,514 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,589 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 572,224 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,913 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,201 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,356 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 36,292 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,896 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,279 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,147 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,549 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,281 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,895 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,647 |
| Central American Countries | 0 | - | 4.96 | 122,684 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,235 |
| Countries Bordering Brazil | 0 | - | 4.97 | 104,417 |
| Biggest Cities in China | 0 | - | 4.42 | 118,417 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,100 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,920 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,476 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,032 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,897 |
| Countries Closest to the U. S. | 0 | - | 4.46 | 182,894 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,366 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,587 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,125 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,820 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,349 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,510 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,835 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,615 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,399 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,200 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,220 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,719 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,853 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.52 | 121,636 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,841 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,343 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,064 |
| Biggest Cities in India | 0 | - | 4.52 | 54,950 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,047 |
| Brazil Country Quiz | 0 | - | 4.49 | 75,560 |
| Argentina Country Quiz | 0 | - | 4.49 | 45,776 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,432 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,575 |
| Central America and Caribbean Map Quiz | 0 | - | 4.86 | 789,210 |
| Mexico States Map Quiz | 0 | - | 4.82 | 77,847 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,274 |
| Caribbean Countries and Territories | 0 | - | 4.88 | 85,686 |
| States of Brazil | 0 | - | 4.96 | 49,554 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,462 |
| Brazil Cities Map Quiz | 0 | - | 4.67 | 29,464 |
| Venezuela Country Quiz | 0 | - | 4.38 | 23,530 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,633 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,737 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,985 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,998 |
| Countries Closest to Alaska | 0 | - | 4.86 | 77,423 |
| Countries Closest to Maine | 0 | - | 4.90 | 43,874 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,278 |
| South America Map Quiz | 0 | - | 4.99 | 1,259,144 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,474 |
| South American Physical Geography | 0 | - | 4.51 | 15,131 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,273 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,898 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,292 |
| Chile Country Quiz | 0 | - | 4.77 | 30,011 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,719 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,496 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,358 |
| Countries Closest to United States by Continent | 0 | - | 5.00 | 112,252 |
| Cities of Ireland | 0 | - | 4.40 | 35,707 |
| Cuba Country Quiz | 0 | - | 4.81 | 41,627 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,888 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,374 |
| Peru Country Quiz | 0 | - | 4.50 | 37,965 |
| Haiti Country Quiz | 0 | - | 4.84 | 24,962 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,209 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,401 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 28,004 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,413 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,382 |
| Paraguay Country Quiz | 0 | - | 4.48 | 19,046 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,981 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,442 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,867 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,596 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 34,016 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,797 |
| Bolivia Country Quiz | 0 | - | 4.56 | 20,033 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,480 |
| South America Flags Map Quiz | 0 | - | 4.97 | 50,554 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 67,367 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,872 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,844 |
| South American Cities on the Map | 0 | - | 4.48 | 21,996 |
| Megacities on a World Map | 0 | - | 4.97 | 199,823 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,730 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,534 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,732 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,730 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,648 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 65,511 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,997 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,226 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,296 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,088 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,084 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,736 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,958 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,386 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,907 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 80,521 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,259 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,090 |
| Uruguay Country Quiz | 0 | - | 4.83 | 24,641 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,023 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 27,673 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,765 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,130 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,862 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,268 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,347 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.88 | 40,476 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,482 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,892 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.32 | 23,547 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,579 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,125 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,643 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,326 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,392 |
| 1M Cities by Proximity - United States | 0 | - | 4.46 | 97,551 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,525 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,845 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,735 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,886 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,596 |
| European Capitals Furthest from the Sea | 0 | - | 4.94 | 53,738 |
| Which City in Latin America? | 0 | - | 4.64 | 34,670 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,554 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,658 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.33 | 19,072 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,125 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,467 |
| Which City in Canada? | 0 | - | 4.84 | 39,798 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,895 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,411 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 58,625 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,614 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,973 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,368 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 51,246 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.73 | 23,794 |
| Every City in Colorado on a Map | 0 | - | 4.71 | 3,397 |
| Which South American Country? | 0 | - | 4.77 | 36,204 |
| Suriname Country Quiz | 0 | - | 4.57 | 15,075 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,716 |
