| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 704,739 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,331,734 |
| South America Capitals Quiz | 0 | - | 4.99 | 358,882 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,733 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,810 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,461 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,048 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,837 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,856 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,309 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,401 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,111 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,321 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,452 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,550 |
| States of Mexico | 0 | - | 4.91 | 105,590 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,394 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,933 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,602 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,573 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,864 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,846 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,244 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,050 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,299 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,225 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,099 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,803 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,632 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,316 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,208 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,756 |
| Biggest Cities in France | 0 | - | 4.50 | 160,726 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,242 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,288 |
| Biggest Cities in California | 0 | - | 4.32 | 119,567 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,228 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 65,254 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 568,768 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,774 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,822 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,182 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,532 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,813 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,099 |
| Biggest Cities in Europe | 0 | - | 4.57 | 402,231 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,430 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,188 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,182 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,432 |
| Central American Countries | 0 | - | 4.96 | 121,791 |
| North America Capitals Quiz | 0 | - | 4.99 | 153,931 |
| Countries Bordering Brazil | 0 | - | 4.97 | 103,880 |
| Biggest Cities in China | 0 | - | 4.41 | 117,488 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,962 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,381 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,292 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,072 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,560 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,292 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,248 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,008 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,659 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,254 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,373 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,663 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,496 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,327 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,094 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,145 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,605 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,715 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,228 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,075 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,485 |
| Biggest Cities in India | 0 | - | 4.52 | 54,642 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,529 |
| Brazil Country Quiz | 0 | - | 4.52 | 75,129 |
| Argentina Country Quiz | 0 | - | 4.53 | 45,493 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,101 |
| Central America and Caribbean Map Quiz | 0 | - | 4.85 | 786,162 |
| Mexico States Map Quiz | 0 | - | 4.81 | 77,413 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,071 |
| Caribbean Countries and Territories | 0 | - | 4.87 | 85,072 |
| States of Brazil | 0 | - | 4.96 | 48,959 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,229 |
| Brazil Cities Map Quiz | 0 | - | 4.72 | 29,289 |
| Venezuela Country Quiz | 0 | - | 4.37 | 23,368 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,367 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,736 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,848 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,586 |
| South America Map Quiz | 0 | - | 4.99 | 1,252,382 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,351 |
| South American Physical Geography | 0 | - | 4.51 | 15,007 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,729 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,821 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,930 |
| Chile Country Quiz | 0 | - | 4.77 | 29,771 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,449 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,045 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,906 |
| Cities of Ireland | 0 | - | 4.39 | 35,565 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,732 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,427 |
| Peru Country Quiz | 0 | - | 4.50 | 37,717 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,778 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,224 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 27,875 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,228 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,703 |
| Paraguay Country Quiz | 0 | - | 4.48 | 18,887 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,678 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 122,927 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,335 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,348 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,682 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,545 |
| Bolivia Country Quiz | 0 | - | 4.55 | 19,842 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,282 |
| South America Flags Map Quiz | 0 | - | 4.96 | 49,772 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 66,571 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 70,867 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,323 |
| North America Cities by Map | 0 | - | 4.38 | 33,824 |
| US States with an Empty Map | 0 | - | 5.00 | 446,629 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 81,379 |
| South American Cities on the Map | 0 | - | 4.48 | 21,809 |
| Megacities on a World Map | 0 | - | 4.97 | 198,409 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,250 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,036 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 62,264 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,770 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.84 | 38,490 |
| Largest Virgin Islands | 0 | - | 4.22 | 4,468 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 300,322 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,558 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,163 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,382 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,834 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,555 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 431,943 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 79,777 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,776 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,689 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,429 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,080 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,579 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,416 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,899 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,101 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 54,925 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.87 | 40,084 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,116 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,756 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,415 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.87 | 43,355 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,845 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,181 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,108 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,180 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,302 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 259,920 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 78,995 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,582 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,469 |
| Which City in Latin America? | 0 | - | 4.64 | 34,474 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,323 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,342 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.94 | 203,478 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,157 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.66 | 31,797 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,347 |
| Which City in Canada? | 0 | - | 4.84 | 39,618 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,784 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,949 |
| Random State Capital to U.S. State | 0 | - | 4.81 | 58,222 |
| Countries that Beat Brazil | 0 | - | 4.34 | 39,326 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,516 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,703 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,377 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.73 | 23,437 |
| Which South American Country? | 0 | - | 4.74 | 35,970 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.94 | 64,616 |
| Random Sequential U.S. States on a Map | 0 | - | 5.00 | 176,804 |
| Pixelated United States Map | 0 | - | 4.92 | 67,526 |
| Suriname Country Quiz | 0 | - | 4.57 | 14,934 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,580 |
| Guyana Country Quiz | 0 | - | 4.40 | 16,683 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 45,452 |
| Most-Visited U.S. Cities | 0 | - | 4.89 | 40,723 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 27,145 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.81 | 41,679 |
| Random U.S. States on a Map | 0 | - | 4.92 | 324,341 |
| Random American Countries on a Map | 0 | - | 4.97 | 71,737 |
| Random African Capitals on a Map | 0 | - | 4.91 | 40,224 |
| Random European Capitals on a Map | 0 | - | 4.96 | 89,412 |
| Random U.S. State Capitals on a Map | 0 | - | 4.89 | 68,368 |
| Biggest Cities in Australia on a Map | 0 | - | 4.58 | 26,904 |
| Largest Nordic Cities on a Map | 0 | - | 4.48 | 15,438 |
