| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 708,679 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,339,766 |
| South America Capitals Quiz | 0 | - | 4.99 | 361,328 |
| Biggest Cities in Texas | 0 | - | 4.20 | 95,009 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,929 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,810 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,123 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,079 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,929 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,824 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,167 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,189 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,519 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,343 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,623 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,955 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,833 |
| States of Mexico | 0 | - | 4.92 | 106,718 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,729 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,216 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,681 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,768 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,073 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,010 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,792 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,680 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,048 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,820 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,631 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,058 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,212 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,572 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,550 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,607 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,444 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,301 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,990 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,814 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,533 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,435 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,183 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,074 |
| Biggest Cities in France | 0 | - | 4.52 | 161,689 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,995 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,217 |
| Biggest Cities in California | 0 | - | 4.30 | 119,941 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,484 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,552 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 571,882 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,899 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,172 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,337 |
| Biggest Cities in The Netherlands | 0 | - | 4.40 | 35,990 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,880 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,250 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,972 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,535 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,274 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,848 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,619 |
| Central American Countries | 0 | - | 4.96 | 122,610 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,124 |
| Countries Bordering Brazil | 0 | - | 4.97 | 104,354 |
| Biggest Cities in China | 0 | - | 4.43 | 118,330 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,082 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,764 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,455 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 134,970 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,862 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,354 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,547 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,107 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,802 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,334 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,496 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,813 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,600 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,388 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,189 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,210 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,708 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,836 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.52 | 121,600 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,803 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,219 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,780 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,316 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,754 |
| Biggest Cities in India | 0 | - | 4.52 | 54,907 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,007 |
| Biggest Cities in History | 0 | - | 4.47 | 70,658 |
| Brazil Country Quiz | 0 | - | 4.49 | 75,508 |
| Argentina Country Quiz | 0 | - | 4.53 | 45,744 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,409 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,504 |
| Central America and Caribbean Map Quiz | 0 | - | 4.86 | 788,832 |
| Mexico States Map Quiz | 0 | - | 4.82 | 77,797 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,254 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,224 |
| Caribbean Countries and Territories | 0 | - | 4.88 | 85,631 |
| States of Brazil | 0 | - | 4.96 | 49,478 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,427 |
| Brazil Cities Map Quiz | 0 | - | 4.71 | 29,449 |
| Venezuela Country Quiz | 0 | - | 4.38 | 23,514 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,602 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.57 | 58,581 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,968 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,221 |
| South America Map Quiz | 0 | - | 4.99 | 1,258,364 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,463 |
| South American Physical Geography | 0 | - | 4.51 | 15,119 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,208 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,887 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,255 |
| Chile Country Quiz | 0 | - | 4.77 | 29,985 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,691 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,451 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,317 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,551 |
| Cities of Ireland | 0 | - | 4.40 | 35,688 |
| Cuba Country Quiz | 0 | - | 4.81 | 41,608 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,869 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,249 |
| Peru Country Quiz | 0 | - | 4.50 | 37,942 |
| Haiti Country Quiz | 0 | - | 4.84 | 24,938 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,181 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,385 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 27,982 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,388 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,313 |
| Paraguay Country Quiz | 0 | - | 4.48 | 19,033 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,952 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,375 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,793 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,581 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,986 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,772 |
| Bolivia Country Quiz | 0 | - | 4.56 | 20,017 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,460 |
| South America Flags Map Quiz | 0 | - | 4.97 | 50,477 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 67,261 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,824 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 81,800 |
| South American Cities on the Map | 0 | - | 4.48 | 21,976 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,595 |
| Megacities on a World Map | 0 | - | 4.97 | 199,746 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,506 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,862 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,484 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,680 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,707 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,082 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 74,613 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,628 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,167 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,289 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,024 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,060 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,719 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,589 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 80,445 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,207 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,043 |
| Uruguay Country Quiz | 0 | - | 4.83 | 24,623 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,962 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,634 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,746 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,060 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,823 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,256 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,307 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.88 | 40,435 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,450 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,875 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,225 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,566 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,096 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,588 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,304 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,376 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,507 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,675 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,673 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,861 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,584 |
| Which City in Latin America? | 0 | - | 4.64 | 34,657 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,533 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,622 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,014 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,456 |
| Which City in Canada? | 0 | - | 4.84 | 39,777 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,888 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,359 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 58,562 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,590 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,926 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,291 |
| Paraguay... or Uruguay? | 0 | - | 4.48 | 23,112 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 51,165 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.73 | 23,765 |
