| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 704,938 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,332,165 |
| South America Capitals Quiz | 0 | - | 4.99 | 358,988 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,761 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,824 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,480 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,052 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,900 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,535 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,551 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,870 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,343 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,406 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,122 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,336 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,476 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,564 |
| States of Mexico | 0 | - | 4.91 | 105,662 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,399 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,942 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,605 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,577 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,611 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,527 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,448 |
| Biggest Cities Starting With H | 0 | - | 4.49 | 75,114 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,618 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,284 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,163 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,873 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,870 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,263 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,073 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,337 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,239 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,110 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,815 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,640 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,329 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,217 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,771 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,437 |
| Biggest Cities in France | 0 | - | 4.50 | 160,786 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,280 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,335 |
| Biggest Cities in California | 0 | - | 4.32 | 119,588 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,243 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,267 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 568,925 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,779 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,835 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,192 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,540 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,815 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,109 |
| Biggest Cities in Europe | 0 | - | 4.57 | 402,320 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,439 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,191 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,322 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,441 |
| Central American Countries | 0 | - | 4.96 | 121,830 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,000 |
| Countries Bordering Brazil | 0 | - | 4.97 | 103,899 |
| Biggest Cities in China | 0 | - | 4.41 | 117,555 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,970 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,454 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,302 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,101 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,573 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,297 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,259 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,018 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,668 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,259 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,384 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,669 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,504 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,329 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,101 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,148 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,618 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,729 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.48 | 121,162 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,659 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,041 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,251 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,089 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,500 |
| Biggest Cities in India | 0 | - | 4.52 | 54,649 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,546 |
| Biggest City by Island | 0 | - | 4.49 | 42,085 |
| Biggest Cities in History | 0 | - | 4.49 | 70,124 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,723 |
| Brazil Country Quiz | 0 | - | 4.49 | 75,154 |
| Argentina Country Quiz | 0 | - | 4.52 | 45,505 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,119 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 121,996 |
| Central America and Caribbean Map Quiz | 0 | - | 4.85 | 786,286 |
| Mexico States Map Quiz | 0 | - | 4.81 | 77,458 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,081 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,054 |
| Caribbean Countries and Territories | 0 | - | 4.87 | 85,085 |
| States of Brazil | 0 | - | 4.96 | 48,980 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,235 |
| Brazil Cities Map Quiz | 0 | - | 4.72 | 29,302 |
| Venezuela Country Quiz | 0 | - | 4.38 | 23,376 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,377 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,743 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,850 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,600 |
| South America Map Quiz | 0 | - | 4.99 | 1,252,775 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,354 |
| South American Physical Geography | 0 | - | 4.51 | 15,014 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,758 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,823 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,948 |
| Chile Country Quiz | 0 | - | 4.77 | 29,779 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,462 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,059 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,930 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,223 |
| Cities of Ireland | 0 | - | 4.39 | 35,573 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,741 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,463 |
| Peru Country Quiz | 0 | - | 4.50 | 37,725 |
| Haiti Country Quiz | 0 | - | 4.84 | 24,770 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,803 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,229 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 27,879 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,235 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,720 |
| Paraguay Country Quiz | 0 | - | 4.48 | 18,890 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,687 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 122,945 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,356 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,359 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,693 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,558 |
| Bolivia Country Quiz | 0 | - | 4.55 | 19,855 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,294 |
| South America Flags Map Quiz | 0 | - | 4.96 | 49,806 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 66,611 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,383 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 81,398 |
| South American Cities on the Map | 0 | - | 4.48 | 21,812 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,407 |
| Megacities on a World Map | 0 | - | 4.97 | 198,454 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,286 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,691 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,055 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,793 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,506 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 43,973 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,491 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 300,435 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,591 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,169 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,418 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,843 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,565 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,098 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 79,802 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,801 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,707 |
| Uruguay Country Quiz | 0 | - | 4.83 | 24,431 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,454 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,112 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,589 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,461 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,919 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,112 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 54,941 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.87 | 40,115 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,132 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,760 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 55,968 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,423 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,859 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,197 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,118 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,188 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,311 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 259,997 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,027 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,598 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,473 |
| Which City in Latin America? | 0 | - | 4.64 | 34,490 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,333 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,361 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,196 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,354 |
| Which City in Canada? | 0 | - | 4.84 | 39,626 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,792 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,961 |
| Random State Capital to U.S. State | 0 | - | 4.81 | 58,232 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,368 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,535 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,728 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,419 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.73 | 23,449 |
