| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,931 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,336,129 |
| South America Capitals Quiz | 0 | - | 4.99 | 360,067 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,901 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,882 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,657 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,083 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,574 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,762 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,700 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,036 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,656 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,468 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,246 |
| Biggest Cities in Japan | 0 | - | 4.72 | 66,497 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,728 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,706 |
| States of Mexico | 0 | - | 4.92 | 106,236 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,599 |
| Biggest Cities in Poland | 0 | - | 4.72 | 40,092 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,642 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,665 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,868 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,812 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,638 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,367 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,875 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,577 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,429 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 20,976 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,022 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,392 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,190 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,439 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,315 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,176 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,874 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,700 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,404 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,295 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,013 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,771 |
| Biggest Cities in France | 0 | - | 4.52 | 161,281 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,671 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,775 |
| Biggest Cities in California | 0 | - | 4.30 | 119,779 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,373 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,443 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,519 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,841 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,025 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,263 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,668 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,853 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,174 |
| Biggest Cities in Europe | 0 | - | 4.57 | 403,234 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,485 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,238 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,676 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,541 |
| Central American Countries | 0 | - | 4.96 | 122,269 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,547 |
| Countries Bordering Brazil | 0 | - | 4.97 | 104,141 |
| Biggest Cities in China | 0 | - | 4.42 | 118,071 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,031 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,058 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,394 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,405 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,745 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,329 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,394 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,056 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,736 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,296 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,438 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,753 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,564 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,363 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,146 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,178 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,678 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,793 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.49 | 121,478 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,738 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,143 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,535 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,192 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,634 |
| Biggest Cities in India | 0 | - | 4.51 | 54,786 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,855 |
| Biggest City by Island | 0 | - | 4.49 | 42,189 |
| Biggest Cities in History | 0 | - | 4.49 | 70,446 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,804 |
| Brazil Country Quiz | 0 | - | 4.49 | 75,327 |
| Argentina Country Quiz | 0 | - | 4.52 | 45,635 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,270 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,277 |
| Central America and Caribbean Map Quiz | 0 | - | 4.85 | 787,805 |
| Mexico States Map Quiz | 0 | - | 4.82 | 77,658 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,175 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,151 |
| Caribbean Countries and Territories | 0 | - | 4.87 | 85,230 |
| States of Brazil | 0 | - | 4.96 | 49,191 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,336 |
| Brazil Cities Map Quiz | 0 | - | 4.71 | 29,380 |
| Venezuela Country Quiz | 0 | - | 4.38 | 23,436 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,487 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,827 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,914 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,805 |
| South America Map Quiz | 0 | - | 4.99 | 1,255,699 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,426 |
| South American Physical Geography | 0 | - | 4.51 | 15,079 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,989 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,864 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,109 |
| Chile Country Quiz | 0 | - | 4.76 | 29,888 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,575 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,240 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,150 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,411 |
| Cities of Ireland | 0 | - | 4.39 | 35,631 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,803 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,889 |
| Peru Country Quiz | 0 | - | 4.50 | 37,824 |
| Haiti Country Quiz | 0 | - | 4.84 | 24,859 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,010 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,305 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 27,942 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,323 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 118,058 |
| Paraguay Country Quiz | 0 | - | 4.48 | 18,962 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,825 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,183 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,603 |
| Cities of China (With Some Help) | 0 | - | 4.76 | 23,493 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,840 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,667 |
| Bolivia Country Quiz | 0 | - | 4.55 | 19,928 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,392 |
| South America Flags Map Quiz | 0 | - | 4.96 | 50,172 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 66,922 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,624 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,625 |
| South American Cities on the Map | 0 | - | 4.48 | 21,904 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,503 |
| Megacities on a World Map | 0 | - | 4.97 | 199,265 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 171,576 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,781 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,166 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,463 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,619 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,036 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,410 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 308,157 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,889 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,236 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 108,768 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,959 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.56 | 34,648 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,410 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 80,192 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,027 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,907 |
| Uruguay Country Quiz | 0 | - | 4.83 | 24,538 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,724 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,439 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,703 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,819 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,387 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,188 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,127 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.87 | 40,308 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,336 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,820 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,119 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,489 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,985 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,419 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,217 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,291 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,411 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,928 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,408 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,737 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,529 |
| Which City in Latin America? | 0 | - | 4.64 | 34,593 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,461 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,521 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,642 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,419 |
| Which City in Canada? | 0 | - | 4.84 | 39,711 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,842 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,164 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 58,451 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,516 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,753 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,058 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,826 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.72 | 23,626 |
