| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 709,959 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,342,286 |
| South America Capitals Quiz | 0 | - | 4.99 | 362,024 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,292 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,965 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,906 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,158 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,489 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 90,067 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,888 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,270 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,421 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,570 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,416 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,754 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,096 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,909 |
| States of Mexico | 0 | - | 4.92 | 107,040 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,830 |
| Biggest Cities in Poland | 0 | - | 4.72 | 40,316 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,713 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,847 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,196 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,154 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,891 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,858 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,193 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,983 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,755 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,099 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,307 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,642 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,636 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,683 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,502 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,356 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,024 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,847 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,596 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,498 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 109,356 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,293 |
| Biggest Cities in France | 0 | - | 4.53 | 161,989 |
| Biggest Cities in Spain | 0 | - | 4.66 | 133,253 |
| Biggest Cities in Italy | 0 | - | 4.64 | 189,570 |
| Biggest Cities in California | 0 | - | 4.30 | 120,062 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,547 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,646 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 572,994 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,930 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,264 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,380 |
| Biggest Cities in The Netherlands | 0 | - | 4.43 | 36,605 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,911 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,296 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,544 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,574 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,297 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,986 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,699 |
| Central American Countries | 0 | - | 4.96 | 122,801 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,403 |
| Countries Bordering Brazil | 0 | - | 4.97 | 104,509 |
| Biggest Cities in China | 0 | - | 4.45 | 118,583 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,118 |
| Biggest Cities in Germany | 0 | - | 4.94 | 227,200 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,508 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,140 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,973 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,377 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,657 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,134 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,843 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,362 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,558 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,860 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,627 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,415 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,220 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,228 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,728 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,869 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.52 | 121,696 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,846 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,268 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,949 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,391 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,111 |
| Biggest Cities in India | 0 | - | 4.52 | 54,999 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,115 |
| Biggest City by Island | 0 | - | 4.49 | 42,303 |
| Biggest Cities in History | 0 | - | 4.47 | 70,779 |
| Brazil Country Quiz | 0 | - | 4.50 | 75,631 |
| Argentina Country Quiz | 0 | - | 4.49 | 45,825 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,487 |
| Five Biggest Cities by Country | 0 | - | 4.77 | 122,690 |
| Central America and Caribbean Map Quiz | 0 | - | 4.86 | 789,642 |
| Mexico States Map Quiz | 0 | - | 4.82 | 77,930 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,319 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,297 |
| Caribbean Countries and Territories | 0 | - | 4.88 | 85,758 |
| States of Brazil | 0 | - | 4.96 | 49,701 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,505 |
| Brazil Cities Map Quiz | 0 | - | 4.67 | 29,499 |
| Venezuela Country Quiz | 0 | - | 4.38 | 23,554 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,913 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,861 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 16,014 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,349 |
| South America Map Quiz | 0 | - | 4.99 | 1,260,022 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,504 |
| South American Physical Geography | 0 | - | 4.51 | 15,159 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,369 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,911 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,379 |
| Chile Country Quiz | 0 | - | 4.77 | 30,051 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,763 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,601 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,420 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 55,654 |
| Cities of Ireland | 0 | - | 4.40 | 35,734 |
| Cuba Country Quiz | 0 | - | 4.81 | 41,687 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,906 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,524 |
| Peru Country Quiz | 0 | - | 4.50 | 38,013 |
| Haiti Country Quiz | 0 | - | 4.85 | 24,987 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,287 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,436 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 28,024 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,444 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,459 |
| Paraguay Country Quiz | 0 | - | 4.48 | 19,069 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 73,020 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,541 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,965 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,653 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,065 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 42,845 |
| Bolivia Country Quiz | 0 | - | 4.56 | 20,053 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,511 |
| South America Flags Map Quiz | 0 | - | 4.97 | 50,691 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 67,502 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,976 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,934 |
| South American Cities on the Map | 0 | - | 4.48 | 24,195 |
| Biggest World Cities in 1850 | 0 | - | 4.53 | 47,667 |
| Megacities on a World Map | 0 | - | 4.97 | 200,104 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,960 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,914 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,648 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,794 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 38,775 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,152 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 74,716 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 313,492 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,315 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,316 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,182 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,154 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,766 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 435,411 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 80,640 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,332 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,156 |
| Uruguay Country Quiz | 0 | - | 4.83 | 24,682 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,122 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 29,785 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,781 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,245 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 32,940 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,300 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,431 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.88 | 40,544 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,557 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,926 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,313 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,608 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.72 | 62,169 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,711 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,353 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,441 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,569 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 262,153 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 79,855 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,932 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,622 |
| Which City in Latin America? | 0 | - | 4.65 | 34,692 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,586 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,708 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,297 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,482 |
| Which City in Canada? | 0 | - | 4.84 | 39,818 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,911 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,497 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 58,665 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,652 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 32,040 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,481 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 51,396 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.73 | 23,851 |
