| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 708,408 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,339,216 |
| South America Capitals Quiz | 0 | - | 4.99 | 361,028 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,994 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,927 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,788 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,119 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,998 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,904 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,805 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,146 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,157 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,511 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,329 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,601 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,921 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,810 |
| States of Mexico | 0 | - | 4.92 | 106,653 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,712 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,194 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,676 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,745 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,028 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,964 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,756 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,516 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,013 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,776 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,591 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,032 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,185 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,539 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,472 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,573 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.11 | 61,421 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,273 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,971 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,801 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,509 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,413 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,152 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,011 |
| Biggest Cities in France | 0 | - | 4.52 | 161,632 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,932 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,132 |
| Biggest Cities in California | 0 | - | 4.30 | 119,921 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,464 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,541 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 571,669 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,888 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,154 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,333 |
| Biggest Cities in The Netherlands | 0 | - | 4.44 | 35,592 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,876 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,243 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,843 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,525 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,272 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,824 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,608 |
| Central American Countries | 0 | - | 4.96 | 122,553 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,056 |
| Countries Bordering Brazil | 0 | - | 4.97 | 104,316 |
| Biggest Cities in China | 0 | - | 4.43 | 118,294 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,076 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,677 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,444 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 134,939 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,841 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,352 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,518 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,102 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,784 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,328 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,490 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,808 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,594 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,384 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,181 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,208 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,706 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,829 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.52 | 121,583 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,795 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,205 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,759 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,293 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,727 |
| Biggest Cities in India | 0 | - | 4.52 | 54,886 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,978 |
| Biggest City by Island | 0 | - | 4.49 | 42,235 |
| Biggest Cities in History | 0 | - | 4.47 | 70,624 |
| Brazil Country Quiz | 0 | - | 4.49 | 75,479 |
| Argentina Country Quiz | 0 | - | 4.53 | 45,719 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,381 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,468 |
| Central America and Caribbean Map Quiz | 0 | - | 4.86 | 788,577 |
| Mexico States Map Quiz | 0 | - | 4.82 | 77,782 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,238 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,208 |
| Caribbean Countries and Territories | 0 | - | 4.88 | 85,612 |
| States of Brazil | 0 | - | 4.96 | 49,395 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,405 |
| Brazil Cities Map Quiz | 0 | - | 4.71 | 29,439 |
| Venezuela Country Quiz | 0 | - | 4.38 | 23,500 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,588 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.57 | 58,378 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,959 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,193 |
| South America Map Quiz | 0 | - | 4.99 | 1,257,839 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,458 |
| South American Physical Geography | 0 | - | 4.51 | 15,115 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,163 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,882 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,235 |
| Chile Country Quiz | 0 | - | 4.77 | 29,976 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,673 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,414 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,295 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,532 |
| Cities of Ireland | 0 | - | 4.40 | 35,677 |
| Cuba Country Quiz | 0 | - | 4.81 | 41,597 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,859 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,197 |
| Peru Country Quiz | 0 | - | 4.50 | 37,898 |
| Haiti Country Quiz | 0 | - | 4.84 | 24,926 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,149 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,371 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 27,975 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,374 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,286 |
| Paraguay Country Quiz | 0 | - | 4.48 | 19,025 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,924 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,335 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,769 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,564 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,967 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,760 |
| Bolivia Country Quiz | 0 | - | 4.56 | 20,004 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,451 |
| South America Flags Map Quiz | 0 | - | 4.97 | 50,436 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 67,214 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,797 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 81,770 |
| South American Cities on the Map | 0 | - | 4.48 | 21,967 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,578 |
| Megacities on a World Map | 0 | - | 4.97 | 199,702 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,314 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,844 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,457 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,657 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,696 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,076 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,597 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,364 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,132 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,283 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 108,969 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,044 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,705 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,436 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 80,388 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,180 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 52,023 |
| Uruguay Country Quiz | 0 | - | 4.83 | 24,615 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,928 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,613 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,743 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,017 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,793 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,243 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,278 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.87 | 40,410 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,436 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,865 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,207 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,550 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,072 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,562 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,289 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,362 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,500 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,580 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,621 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,849 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,577 |
| Which City in Latin America? | 0 | - | 4.64 | 34,643 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,522 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,603 |
| 500 Biggest US Cities | 0 | - | 4.88 | 75,955 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,452 |
| Which City in Canada? | 0 | - | 4.84 | 39,759 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,879 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,321 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 58,543 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,576 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,906 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,257 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 51,114 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.73 | 23,740 |
