| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 710,146 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,342,758 |
| South America Capitals Quiz | 0 | - | 4.99 | 362,135 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,301 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,969 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,916 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,162 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,559 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 90,086 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,904 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,283 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,448 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,578 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,428 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,767 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,121 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,921 |
| States of Mexico | 0 | - | 4.92 | 107,111 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,849 |
| Biggest Cities in Poland | 0 | - | 4.72 | 40,334 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,727 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,857 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,220 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,168 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,905 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,875 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,208 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,999 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,769 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,107 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,321 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,653 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,644 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,695 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,507 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,364 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,030 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,854 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,602 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,507 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 109,378 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,321 |
| Biggest Cities in France | 0 | - | 4.53 | 162,032 |
| Biggest Cities in Spain | 0 | - | 4.66 | 133,278 |
| Biggest Cities in Italy | 0 | - | 4.64 | 189,614 |
| Biggest Cities in California | 0 | - | 4.30 | 120,072 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,552 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,656 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 573,151 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,936 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,275 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,388 |
| Biggest Cities in The Netherlands | 0 | - | 4.43 | 36,662 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,913 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,302 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,634 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,577 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,300 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,998 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,712 |
| Central American Countries | 0 | - | 4.96 | 122,839 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,444 |
| Countries Bordering Brazil | 0 | - | 4.97 | 104,535 |
| Biggest Cities in China | 0 | - | 4.45 | 118,626 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,127 |
| Biggest Cities in Germany | 0 | - | 4.94 | 227,270 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,515 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,167 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,993 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,379 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,679 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,142 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,848 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,369 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,563 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,864 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,631 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,420 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,225 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,229 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,730 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,872 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.52 | 121,710 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,850 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,276 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,964 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,403 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,122 |
| Biggest Cities in India | 0 | - | 4.52 | 55,006 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,133 |
| Biggest City by Island | 0 | - | 4.49 | 42,318 |
| Biggest Cities in History | 0 | - | 4.47 | 70,804 |
| Brazil Country Quiz | 0 | - | 4.50 | 75,830 |
| Argentina Country Quiz | 0 | - | 4.49 | 45,862 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,495 |
| Five Biggest Cities by Country | 0 | - | 4.77 | 122,709 |
| Central America and Caribbean Map Quiz | 0 | - | 4.86 | 789,731 |
| Mexico States Map Quiz | 0 | - | 4.82 | 77,952 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,333 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,302 |
| Caribbean Countries and Territories | 0 | - | 4.88 | 85,778 |
| States of Brazil | 0 | - | 4.96 | 49,732 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,518 |
| Brazil Cities Map Quiz | 0 | - | 4.67 | 29,508 |
| Venezuela Country Quiz | 0 | - | 4.38 | 23,557 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,931 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,875 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 16,020 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,364 |
| South America Map Quiz | 0 | - | 4.99 | 1,260,349 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,509 |
| South American Physical Geography | 0 | - | 4.51 | 15,168 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,384 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,914 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,387 |
| Chile Country Quiz | 0 | - | 4.77 | 30,064 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,775 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,696 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,437 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 55,671 |
| Cities of Ireland | 0 | - | 4.40 | 35,746 |
| Cuba Country Quiz | 0 | - | 4.81 | 41,704 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,910 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,553 |
| Peru Country Quiz | 0 | - | 4.50 | 38,026 |
| Haiti Country Quiz | 0 | - | 4.85 | 24,994 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,310 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,441 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 28,031 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,454 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,485 |
| Paraguay Country Quiz | 0 | - | 4.48 | 19,077 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 73,031 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,568 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,993 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,674 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,080 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 42,857 |
| Bolivia Country Quiz | 0 | - | 4.56 | 20,067 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,517 |
| South America Flags Map Quiz | 0 | - | 4.97 | 50,719 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 67,542 |
| Biggest Cities in the UK | 0 | - | 4.42 | 80,001 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,949 |
| South American Cities on the Map | 0 | - | 4.48 | 26,596 |
| Biggest World Cities in 1850 | 0 | - | 4.53 | 47,678 |
| Megacities on a World Map | 0 | - | 4.97 | 200,138 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 175,023 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,926 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,670 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,815 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 38,785 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,165 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 74,743 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 313,592 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,347 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,322 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,209 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,165 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,775 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 435,523 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 80,733 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,358 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,175 |
| Uruguay Country Quiz | 0 | - | 4.83 | 24,692 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,144 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 30,021 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,783 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,259 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 32,955 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,307 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,452 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.88 | 40,557 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,578 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,935 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,323 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,612 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.72 | 62,182 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,731 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,365 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,449 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,579 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 262,217 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 79,883 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,948 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,627 |
| Which City in Latin America? | 0 | - | 4.65 | 34,751 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,593 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,716 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,339 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,489 |
| Which City in Canada? | 0 | - | 4.84 | 39,835 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,919 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,520 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 58,679 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,656 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 32,062 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,513 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 51,431 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.73 | 23,866 |
