| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 714,845 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,352,807 |
| South America Capitals Quiz | 0 | - | 4.99 | 365,036 |
| Biggest Cities in Texas | 0 | - | 4.22 | 97,954 |
| Biggest Cities in Washington State | 0 | - | 4.34 | 25,112 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 157,320 |
| Biggest Cities in New Jersey | 0 | - | 3.99 | 22,289 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 290,273 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.57 | 90,603 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 128,255 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,829 |
| Biggest Cities by Language | 0 | - | 4.95 | 195,381 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,745 |
| Biggest Mediterranean Cities | 0 | - | 4.64 | 69,739 |
| Biggest Cities in Japan | 0 | - | 4.68 | 67,100 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 133,892 |
| Biggest Cities in Russia | 0 | - | 4.49 | 69,279 |
| States of Mexico | 0 | - | 4.92 | 108,861 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 42,163 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,675 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,830 |
| Colombia Country Quiz | 0 | - | 4.87 | 29,161 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 87,665 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,643 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 85,271 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 76,287 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,602 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 99,510 |
| Biggest Cities Starting With P | 0 | - | 4.45 | 88,157 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,281 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,604 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,929 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,929 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 76,951 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,673 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,533 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,162 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,982 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,787 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,712 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 110,020 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 168,090 |
| Biggest Cities in France | 0 | - | 4.53 | 163,279 |
| Biggest Cities in Spain | 0 | - | 4.65 | 134,278 |
| Biggest Cities in Italy | 0 | - | 4.64 | 190,858 |
| Biggest Cities in California | 0 | - | 4.31 | 120,484 |
| Biggest Cities in Florida | 0 | - | 4.14 | 61,811 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 66,094 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 577,207 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 20,114 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 84,607 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 41,615 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 37,380 |
| Biggest Cities in Michigan | 0 | - | 4.00 | 30,042 |
| Biggest Cities in New York State | 0 | - | 4.22 | 51,499 |
| Biggest Cities in Europe | 0 | - | 4.57 | 406,941 |
| Biggest Cities in Indiana | 0 | - | 4.17 | 17,689 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,382 |
| Biggest Cities in Canada | 0 | - | 4.57 | 109,447 |
| Biggest Cities in Sweden | 0 | - | 4.68 | 24,954 |
| Central American Countries | 0 | - | 4.96 | 123,683 |
| North America Capitals Quiz | 0 | - | 4.99 | 156,891 |
| Countries Bordering Brazil | 0 | - | 4.97 | 105,311 |
| Biggest Cities in China | 0 | - | 4.46 | 119,479 |
| Biggest Cities in Pennsylvania | 0 | - | 4.11 | 39,244 |
| Biggest Cities in Germany | 0 | - | 4.94 | 228,894 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,713 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 135,833 |
| Biggest City in Every Country | 0 | - | 4.97 | 67,377 |
| Biggest Cities in Louisiana | 0 | - | 4.00 | 16,461 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 54,048 |
| Biggest Cities in Colorado | 0 | - | 3.98 | 27,267 |
| Biggest Cities in Arizona | 0 | - | 4.26 | 25,011 |
| Biggest Cities in Virginia | 0 | - | 4.17 | 20,488 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 21,706 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 26,034 |
| Biggest Cities in Wisconsin | 0 | - | 4.38 | 20,757 |
| Biggest Cities in Georgia | 0 | - | 3.74 | 19,527 |
| Biggest Cities in Massachusetts | 0 | - | 4.32 | 21,535 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 14,307 |
| Biggest Cities in Oregon | 0 | - | 4.03 | 16,826 |
| Biggest Cities in Alaska | 0 | - | 4.40 | 17,005 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.52 | 122,106 |
| Biggest City by Time Zone | 0 | - | 4.77 | 50,022 |
| Biggest English Cities by Century | 0 | - | 4.92 | 86,612 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,676 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,452 |
| Biggest Cities in India | 0 | - | 4.52 | 55,343 |
| Biggest Cities in Asia | 0 | - | 4.89 | 86,580 |
| Biggest Cities in History | 0 | - | 4.49 | 71,452 |
| Brazil Country Quiz | 0 | - | 4.50 | 76,453 |
| Argentina Country Quiz | 0 | - | 4.52 | 46,236 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.96 | 58,843 |
| Five Biggest Cities by Country | 0 | - | 4.65 | 136,662 |
| Central America and Caribbean Map Quiz | 0 | - | 4.86 | 793,222 |
| Mexico States Map Quiz | 0 | - | 4.82 | 78,440 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,577 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,557 |
| Caribbean Countries and Territories | 0 | - | 4.88 | 86,216 |
| States of Brazil | 0 | - | 4.96 | 50,558 |
| Brazil States Map Quiz | 0 | - | 4.85 | 30,814 |
| Brazil Cities Map Quiz | 0 | - | 4.67 | 29,705 |
| Venezuela Country Quiz | 0 | - | 4.39 | 23,734 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 75,226 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 59,171 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 16,170 |
| Most Populous World Capitals | 0 | - | 4.90 | 128,871 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 48,470 |
| South America Map Quiz | 0 | - | 4.99 | 1,268,711 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,663 |
| South American Physical Geography | 0 | - | 4.51 | 15,289 |
| Biggest European Cities by Century | 0 | - | 4.96 | 106,071 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,976 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 59,832 |
| Chile Country Quiz | 0 | - | 4.77 | 30,354 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 59,120 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 104,319 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 59,050 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 56,203 |
| Cities of Ireland | 0 | - | 4.40 | 35,918 |
| Cuba Country Quiz | 0 | - | 4.82 | 42,030 |
| Largest Cities in Alexander's Empire | 0 | - | 4.42 | 35,957 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 147,482 |
| Peru Country Quiz | 0 | - | 4.51 | 38,315 |
| Haiti Country Quiz | 0 | - | 4.86 | 25,222 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 73,779 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 46,670 |
| South American Geography Quiz #1 | 0 | - | 4.51 | 28,195 |
| South American Geography Quiz #2 | 0 | - | 4.57 | 33,668 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 119,177 |
| Paraguay Country Quiz | 0 | - | 4.48 | 19,257 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 73,384 |
| Top 10 Most Populous U.S. States | 0 | - | 4.96 | 124,158 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 147,590 |
| Cities of China (With Some Help) | 0 | - | 4.78 | 23,920 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,427 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 43,177 |
| Bolivia Country Quiz | 0 | - | 4.56 | 20,266 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.90 | 35,119 |
| South America Flags Map Quiz | 0 | - | 4.97 | 52,005 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 68,385 |
| Biggest Cities in the UK | 0 | - | 4.42 | 80,630 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 82,789 |
| South American Cities on the Map | 0 | - | 4.50 | 29,908 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 48,014 |
| Megacities on a World Map | 0 | - | 4.97 | 201,082 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 176,176 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.79 | 49,157 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 96,223 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.84 | 74,285 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 39,042 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 75,163 |
| 100 Biggest Cities on a World Map | 0 | - | 4.98 | 316,537 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,986 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,460 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,900 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.42 | 50,503 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.55 | 35,009 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 438,967 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 82,427 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,858 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,657 |
| Uruguay Country Quiz | 0 | - | 4.84 | 24,913 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,738 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 30,752 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 36,929 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,765 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 33,383 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,500 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,928 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.87 | 40,985 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,992 |
| Biggest Trading Partners - Colombia | 0 | - | 4.67 | 21,144 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,684 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,789 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,554 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 70,311 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,581 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,656 |
| 1M Cities by Proximity - United States | 0 | - | 4.48 | 120,508 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,829 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 264,026 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 80,703 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 62,268 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,807 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 42,508 |
| Which City in Latin America? | 0 | - | 4.64 | 34,945 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,817 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 39,190 |
| 500 Biggest US Cities | 0 | - | 4.87 | 77,642 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 26,604 |
| Which City in Canada? | 0 | - | 4.84 | 40,074 |
| Saint Lucia Country Quiz | 0 | - | 4.58 | 14,032 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 55,096 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 59,048 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,951 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 32,516 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.84 | 46,227 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 52,436 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.74 | 24,283 |
