| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 709,401 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,341,041 |
| South America Capitals Quiz | 0 | - | 4.99 | 361,742 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,256 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,945 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,855 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,142 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,296 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,989 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,854 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,219 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,303 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,551 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,382 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,686 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,046 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,871 |
| States of Mexico | 0 | - | 4.92 | 106,857 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,774 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,279 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,701 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,813 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,143 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,088 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,844 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,816 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,124 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,903 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,698 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,079 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,275 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,613 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,599 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,655 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,486 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,334 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,010 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,833 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,575 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,472 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 109,284 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,211 |
| Biggest Cities in France | 0 | - | 4.53 | 161,849 |
| Biggest Cities in Spain | 0 | - | 4.65 | 133,144 |
| Biggest Cities in Italy | 0 | - | 4.64 | 189,407 |
| Biggest Cities in California | 0 | - | 4.30 | 120,023 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,519 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,597 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 572,434 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,915 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,214 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,363 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 36,383 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,901 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,285 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,261 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,555 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,287 |
| Biggest Cities in Canada | 0 | - | 4.58 | 108,930 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,655 |
| Central American Countries | 0 | - | 4.96 | 122,717 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,291 |
| Countries Bordering Brazil | 0 | - | 4.97 | 104,436 |
| Biggest Cities in China | 0 | - | 4.42 | 118,462 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,102 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,998 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,485 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,064 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,920 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,370 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,610 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,126 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,827 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,350 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,516 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,845 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,619 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,402 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,203 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,223 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,724 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,860 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.52 | 121,651 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,826 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,241 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,872 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,356 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,078 |
| Biggest Cities in India | 0 | - | 4.53 | 54,961 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,062 |
| Biggest City by Island | 0 | - | 4.49 | 42,279 |
| Biggest Cities in History | 0 | - | 4.47 | 70,728 |
| Brazil Country Quiz | 0 | - | 4.50 | 75,576 |
| Argentina Country Quiz | 0 | - | 4.49 | 45,787 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,449 |
| Five Biggest Cities by Country | 0 | - | 4.77 | 122,610 |
| Central America and Caribbean Map Quiz | 0 | - | 4.86 | 789,316 |
| Mexico States Map Quiz | 0 | - | 4.82 | 77,871 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,287 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,266 |
| Caribbean Countries and Territories | 0 | - | 4.88 | 85,708 |
| States of Brazil | 0 | - | 4.96 | 49,580 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,472 |
| Brazil Cities Map Quiz | 0 | - | 4.67 | 29,474 |
| Venezuela Country Quiz | 0 | - | 4.38 | 23,532 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,644 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,788 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,992 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,297 |
| South America Map Quiz | 0 | - | 4.99 | 1,259,352 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,481 |
| South American Physical Geography | 0 | - | 4.51 | 15,134 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,296 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,903 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,317 |
| Chile Country Quiz | 0 | - | 4.77 | 30,019 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,733 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,528 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,372 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 55,611 |
| Cities of Ireland | 0 | - | 4.40 | 35,718 |
| Cuba Country Quiz | 0 | - | 4.81 | 41,638 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,891 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,414 |
| Peru Country Quiz | 0 | - | 4.50 | 37,979 |
| Haiti Country Quiz | 0 | - | 4.84 | 24,963 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,234 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,414 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 28,007 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,420 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,406 |
| Paraguay Country Quiz | 0 | - | 4.48 | 19,051 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,988 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,467 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,891 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,605 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,030 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 42,810 |
| Bolivia Country Quiz | 0 | - | 4.56 | 20,037 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,491 |
| South America Flags Map Quiz | 0 | - | 4.97 | 50,592 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 67,410 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,901 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,880 |
| South American Cities on the Map | 0 | - | 4.48 | 22,005 |
| Biggest World Cities in 1850 | 0 | - | 4.53 | 47,634 |
| Megacities on a World Map | 0 | - | 4.97 | 199,892 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,800 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,888 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,560 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,752 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,738 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,128 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 74,664 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 313,154 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,243 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,303 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,117 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,103 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,742 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 435,076 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 80,542 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,285 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,105 |
| Uruguay Country Quiz | 0 | - | 4.83 | 24,652 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,051 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 28,257 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,770 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,178 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 32,883 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,274 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,372 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.88 | 40,498 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,510 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,909 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,267 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,587 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.72 | 62,143 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,664 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,329 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,407 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,533 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,937 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 79,772 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,901 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,603 |
| Which City in Latin America? | 0 | - | 4.65 | 34,675 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,566 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,667 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,173 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,470 |
| Which City in Canada? | 0 | - | 4.84 | 39,806 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,901 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,441 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 58,635 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,622 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,992 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,403 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 51,299 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.73 | 23,815 |
