| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 705,882 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,334,068 |
| South America Capitals Quiz | 0 | - | 4.99 | 359,480 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,834 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,859 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,569 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,071 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,228 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,651 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,629 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 98,948 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,506 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,440 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,187 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,409 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,592 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,639 |
| States of Mexico | 0 | - | 4.91 | 105,930 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,022 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,619 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,629 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,746 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,691 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,559 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,245 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,755 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,447 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,317 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,924 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,940 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,326 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,130 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,392 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,273 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,144 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,841 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,670 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,371 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,255 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,886 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,597 |
| Biggest Cities in France | 0 | - | 4.51 | 161,037 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,476 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,540 |
| Biggest Cities in California | 0 | - | 4.30 | 119,691 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,285 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,360 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 569,755 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,812 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,923 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,224 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,614 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,832 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,149 |
| Biggest Cities in Europe | 0 | - | 4.56 | 402,777 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,467 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,223 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,554 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,485 |
| Central American Countries | 0 | - | 4.96 | 122,022 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,228 |
| Countries Bordering Brazil | 0 | - | 4.97 | 104,017 |
| Biggest Cities in China | 0 | - | 4.41 | 117,799 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,998 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,766 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,347 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,258 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,655 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,313 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,314 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,039 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,706 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,278 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,413 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,714 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,544 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,345 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,126 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,165 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,649 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,771 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.49 | 121,407 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,705 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,093 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,397 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,135 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,571 |
| Biggest Cities in India | 0 | - | 4.52 | 54,724 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,751 |
| Biggest City by Island | 0 | - | 4.49 | 42,134 |
| Biggest Cities in History | 0 | - | 4.49 | 70,300 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,758 |
| Brazil Country Quiz | 0 | - | 4.49 | 75,249 |
| Argentina Country Quiz | 0 | - | 4.52 | 45,576 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,195 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,144 |
| Central America and Caribbean Map Quiz | 0 | - | 4.85 | 786,872 |
| Mexico States Map Quiz | 0 | - | 4.82 | 77,562 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,132 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,104 |
| Caribbean Countries and Territories | 0 | - | 4.87 | 85,158 |
| States of Brazil | 0 | - | 4.96 | 49,077 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,276 |
| Brazil Cities Map Quiz | 0 | - | 4.72 | 29,340 |
| Venezuela Country Quiz | 0 | - | 4.38 | 23,414 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,426 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,785 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,886 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,697 |
| South America Map Quiz | 0 | - | 4.99 | 1,254,225 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,393 |
| South American Physical Geography | 0 | - | 4.51 | 15,046 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,877 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,848 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 59,025 |
| Chile Country Quiz | 0 | - | 4.77 | 29,844 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,522 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,154 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,055 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,331 |
| Cities of Ireland | 0 | - | 4.39 | 35,606 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,773 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,686 |
| Peru Country Quiz | 0 | - | 4.50 | 37,776 |
| Haiti Country Quiz | 0 | - | 4.84 | 24,810 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,911 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,273 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 27,914 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,287 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,873 |
| Paraguay Country Quiz | 0 | - | 4.48 | 18,926 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,761 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,051 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,478 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,424 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,756 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,610 |
| Bolivia Country Quiz | 0 | - | 4.55 | 19,896 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,341 |
| South America Flags Map Quiz | 0 | - | 4.97 | 49,987 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 66,768 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,504 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,502 |
| South American Cities on the Map | 0 | - | 4.48 | 21,858 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,466 |
| Megacities on a World Map | 0 | - | 4.97 | 198,910 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,670 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,734 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,208 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,905 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,562 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,005 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,594 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,051 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,742 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,209 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,581 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,903 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,604 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,739 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 79,979 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,918 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,811 |
| Uruguay Country Quiz | 0 | - | 4.83 | 24,479 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,589 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,309 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,649 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,644 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 30,291 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,155 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,026 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.87 | 40,233 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,247 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,784 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,042 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,452 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,920 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,290 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,171 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,230 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,359 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,389 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,167 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,660 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,499 |
| Which City in Latin America? | 0 | - | 4.64 | 34,535 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,407 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,422 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,418 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,380 |
| Which City in Canada? | 0 | - | 4.84 | 39,673 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,818 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,059 |
| Random State Capital to U.S. State | 0 | - | 4.81 | 58,312 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,463 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,627 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,879 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,587 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.73 | 23,537 |
| Which South American Country? | 0 | - | 4.77 | 36,046 |
