| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 712,921 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,348,783 |
| South America Capitals Quiz | 0 | - | 4.99 | 363,787 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,524 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 25,037 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 157,145 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,226 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 289,600 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.57 | 90,420 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 128,124 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,675 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,974 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,679 |
| Biggest Mediterranean Cities | 0 | - | 4.64 | 69,610 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,968 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 133,479 |
| Biggest Cities in Russia | 0 | - | 4.49 | 69,091 |
| States of Mexico | 0 | - | 4.92 | 108,143 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 42,017 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,523 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,794 |
| Colombia Country Quiz | 0 | - | 4.88 | 29,062 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,486 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,447 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 85,110 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 76,111 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,437 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 99,302 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 88,002 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,214 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,487 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,805 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,775 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,838 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,596 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,454 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,102 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,920 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,703 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,608 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 109,736 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,727 |
| Biggest Cities in France | 0 | - | 4.53 | 162,770 |
| Biggest Cities in Spain | 0 | - | 4.66 | 133,879 |
| Biggest Cities in Italy | 0 | - | 4.64 | 190,350 |
| Biggest Cities in California | 0 | - | 4.30 | 120,285 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,672 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 65,908 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 575,471 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 20,046 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 84,452 |
| Biggest Cities in Ohio | 0 | - | 4.34 | 41,490 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 37,187 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,967 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,395 |
| Biggest Cities in Europe | 0 | - | 4.57 | 405,975 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,628 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,344 |
| Biggest Cities in Canada | 0 | - | 4.57 | 109,284 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,862 |
| Central American Countries | 0 | - | 4.96 | 123,381 |
| North America Capitals Quiz | 0 | - | 4.99 | 156,293 |
| Countries Bordering Brazil | 0 | - | 4.97 | 105,036 |
| Biggest Cities in China | 0 | - | 4.45 | 119,148 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,184 |
| Biggest Cities in Germany | 0 | - | 4.94 | 228,212 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,636 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,576 |
| Biggest City in Every Country | 0 | - | 4.97 | 67,213 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,414 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,903 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,197 |
| Biggest Cities in Arizona | 0 | - | 4.25 | 24,911 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,436 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,639 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,938 |
| Biggest Cities in Wisconsin | 0 | - | 4.37 | 20,696 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,475 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,298 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,269 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,773 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,925 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.52 | 121,954 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,954 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.41 | 80,604 |
| Biggest English Cities by Century | 0 | - | 4.92 | 86,337 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,561 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,292 |
| Biggest Cities in India | 0 | - | 4.52 | 55,197 |
| Biggest Cities in Asia | 0 | - | 4.89 | 86,393 |
| Biggest Cities in History | 0 | - | 4.48 | 71,155 |
| Brazil Country Quiz | 0 | - | 4.50 | 76,246 |
| Argentina Country Quiz | 0 | - | 4.52 | 46,096 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.96 | 58,697 |
| Five Biggest Cities by Country | 0 | - | 4.74 | 123,105 |
| Central America and Caribbean Map Quiz | 0 | - | 4.86 | 791,531 |
| Mexico States Map Quiz | 0 | - | 4.82 | 78,254 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,478 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,475 |
| Caribbean Countries and Territories | 0 | - | 4.88 | 86,013 |
| States of Brazil | 0 | - | 4.96 | 50,304 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,667 |
| Brazil Cities Map Quiz | 0 | - | 4.67 | 29,617 |
| Venezuela Country Quiz | 0 | - | 4.39 | 23,648 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 75,123 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 59,080 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 16,113 |
| Most Populous World Capitals | 0 | - | 4.90 | 128,650 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 48,242 |
| South America Map Quiz | 0 | - | 4.99 | 1,265,206 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,594 |
| South American Physical Geography | 0 | - | 4.51 | 15,228 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,804 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,955 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,636 |
| Chile Country Quiz | 0 | - | 4.77 | 30,236 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.65 | 58,991 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 104,044 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,727 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 55,924 |
| Cities of Ireland | 0 | - | 4.40 | 35,845 |
| Cuba Country Quiz | 0 | - | 4.82 | 41,889 |
| Largest Cities in Alexander's Empire | 0 | - | 4.42 | 35,764 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 147,105 |
| Peru Country Quiz | 0 | - | 4.51 | 38,179 |
| Haiti Country Quiz | 0 | - | 4.86 | 25,137 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 73,574 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 46,558 |
| South American Geography Quiz #1 | 0 | - | 4.51 | 28,127 |
| South American Geography Quiz #2 | 0 | - | 4.57 | 33,573 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,903 |
| Paraguay Country Quiz | 0 | - | 4.48 | 19,186 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 73,215 |
| Top 10 Most Populous U.S. States | 0 | - | 4.96 | 123,935 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 147,340 |
| Cities of China (With Some Help) | 0 | - | 4.78 | 23,826 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,292 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 43,068 |
| Bolivia Country Quiz | 0 | - | 4.56 | 20,183 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.91 | 34,613 |
| South America Flags Map Quiz | 0 | - | 4.97 | 51,504 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 68,030 |
| Biggest Cities in the UK | 0 | - | 4.42 | 80,403 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 82,240 |
| South American Cities on the Map | 0 | - | 4.50 | 29,767 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,914 |
| Megacities on a World Map | 0 | - | 4.97 | 200,614 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 175,760 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.79 | 49,073 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 96,010 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.84 | 74,079 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 38,941 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 75,012 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 315,271 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,729 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,401 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,617 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,340 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.55 | 34,890 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 437,401 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 81,934 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,644 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,432 |
| Uruguay Country Quiz | 0 | - | 4.84 | 24,833 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,480 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 30,600 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,866 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,550 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 33,221 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,433 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,727 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.88 | 40,817 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,789 |
| Biggest Trading Partners - Colombia | 0 | - | 4.67 | 21,045 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,523 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,722 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.72 | 62,407 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 70,045 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,483 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,573 |
| 1M Cities by Proximity - United States | 0 | - | 4.43 | 103,520 |
| Biggest Cities in Deserts | 0 | - | 4.87 | 37,730 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 263,251 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 80,379 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 62,138 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,744 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 42,386 |
| Which City in Latin America? | 0 | - | 4.64 | 34,857 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,714 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 39,019 |
| 500 Biggest US Cities | 0 | - | 4.89 | 77,053 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,555 |
| Which City in Canada? | 0 | - | 4.84 | 39,968 |
| Saint Lucia Country Quiz | 0 | - | 4.58 | 13,979 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,839 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 58,872 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,864 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 32,308 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.84 | 45,908 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 52,015 |
