| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,450 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,335,140 |
| South America Capitals Quiz | 0 | - | 4.99 | 359,785 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,864 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,870 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,620 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,077 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,392 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,705 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,665 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.83 | 98,984 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,586 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,455 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,214 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,455 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,661 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,673 |
| States of Mexico | 0 | - | 4.91 | 106,068 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,545 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,053 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,634 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,643 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,768 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,517 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,379 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,952 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,982 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,361 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,162 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,417 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,297 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,164 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,861 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,690 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,391 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,272 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,962 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,660 |
| Biggest Cities in France | 0 | - | 4.52 | 161,170 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,567 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,651 |
| Biggest Cities in California | 0 | - | 4.30 | 119,725 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,315 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,403 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,148 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,822 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,976 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,240 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,631 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,842 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,161 |
| Biggest Cities in Europe | 0 | - | 4.56 | 403,018 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,476 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,229 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,610 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,510 |
| Central American Countries | 0 | - | 4.96 | 122,136 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,374 |
| Countries Bordering Brazil | 0 | - | 4.97 | 104,087 |
| Biggest Cities in China | 0 | - | 4.41 | 117,951 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,005 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,909 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,371 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,339 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,705 |
| Countries Closest to the U. S. | 0 | - | 4.46 | 182,637 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,321 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,347 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,045 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,718 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,285 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,423 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,728 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,553 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,352 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,134 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,173 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,662 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,777 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.49 | 121,452 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,469 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,162 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,608 |
| Biggest Cities in India | 0 | - | 4.51 | 54,756 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,808 |
| Brazil Country Quiz | 0 | - | 4.49 | 75,285 |
| Argentina Country Quiz | 0 | - | 4.52 | 45,604 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,239 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,211 |
| Central America and Caribbean Map Quiz | 0 | - | 4.85 | 787,471 |
| Mexico States Map Quiz | 0 | - | 4.82 | 77,593 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,155 |
| Caribbean Countries and Territories | 0 | - | 4.87 | 85,187 |
| States of Brazil | 0 | - | 4.96 | 49,126 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,311 |
| Brazil Cities Map Quiz | 0 | - | 4.71 | 29,357 |
| Venezuela Country Quiz | 0 | - | 4.38 | 23,428 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,457 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,805 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,901 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,263 |
| Countries Closest to Alaska | 0 | - | 4.86 | 77,101 |
| Countries Closest to Maine | 0 | - | 4.90 | 43,658 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,748 |
| South America Map Quiz | 0 | - | 4.99 | 1,255,024 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,409 |
| South American Physical Geography | 0 | - | 4.51 | 15,065 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,926 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,856 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,071 |
| Chile Country Quiz | 0 | - | 4.77 | 29,869 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,551 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,199 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,101 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 111,861 |
| Cities of Ireland | 0 | - | 4.39 | 35,615 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,790 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,786 |
| Peru Country Quiz | 0 | - | 4.50 | 37,797 |
| Haiti Country Quiz | 0 | - | 4.84 | 24,837 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,974 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,288 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 27,927 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,307 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,953 |
| Paraguay Country Quiz | 0 | - | 4.48 | 18,944 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,790 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,120 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,535 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,455 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,790 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,632 |
| Bolivia Country Quiz | 0 | - | 4.55 | 19,913 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,360 |
| South America Flags Map Quiz | 0 | - | 4.96 | 50,086 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 66,831 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,571 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,560 |
| South American Cities on the Map | 0 | - | 4.48 | 21,887 |
| Megacities on a World Map | 0 | - | 4.97 | 199,045 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 167,459 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,904 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,312 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,587 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,213 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 65,313 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,346 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,816 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,222 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,650 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,935 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,621 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,844 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,260 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,056 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 80,118 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,968 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,866 |
| Uruguay Country Quiz | 0 | - | 4.83 | 24,499 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,659 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,371 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,660 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,725 |
| All Cities in India with Population of 1 Million | 0 | - | 4.78 | 31,866 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,174 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,076 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.87 | 40,270 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,295 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,808 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.32 | 23,508 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,475 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,957 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,349 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,189 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,258 |
| 1M Cities by Proximity - United States | 0 | - | 4.46 | 97,290 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,370 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,680 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,303 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,705 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,514 |
| European Capitals Furthest from the Sea | 0 | - | 4.94 | 53,562 |
| Which City in Latin America? | 0 | - | 4.64 | 34,568 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,436 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,471 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.33 | 19,048 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,523 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,397 |
| Which City in Canada? | 0 | - | 4.84 | 39,690 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,824 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,102 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 58,389 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,486 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,703 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,970 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,708 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.73 | 23,566 |
| Which South American Country? | 0 | - | 4.77 | 36,074 |
| Suriname Country Quiz | 0 | - | 4.57 | 14,980 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,628 |
