| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 708,572 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,339,518 |
| South America Capitals Quiz | 0 | - | 4.99 | 361,275 |
| Biggest Cities in Texas | 0 | - | 4.20 | 95,003 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,927 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,803 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,122 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,049 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,158 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,177 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,516 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,339 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,617 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,943 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,822 |
| States of Mexico | 0 | - | 4.92 | 106,694 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,726 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,208 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,679 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,756 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,038 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,207 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,567 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,545 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,602 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,440 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,296 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,989 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,812 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,530 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,432 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,171 |
| Biggest Cities in France | 0 | - | 4.52 | 161,670 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,965 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,178 |
| Biggest Cities in California | 0 | - | 4.30 | 119,931 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,475 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,545 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 571,818 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,896 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,165 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,335 |
| Biggest Cities in The Netherlands | 0 | - | 4.40 | 35,889 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,877 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,246 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,920 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,530 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,273 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,839 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,615 |
| Central American Countries | 0 | - | 4.96 | 122,586 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,099 |
| Countries Bordering Brazil | 0 | - | 4.97 | 104,335 |
| Biggest Cities in China | 0 | - | 4.43 | 118,310 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,081 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,722 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,451 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 134,961 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,848 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,352 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,536 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,104 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,796 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,331 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,493 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,811 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,597 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,386 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,185 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,209 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,706 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,833 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,773 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,311 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,740 |
| Biggest Cities in India | 0 | - | 4.52 | 54,899 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,998 |
| Brazil Country Quiz | 0 | - | 4.49 | 75,495 |
| Argentina Country Quiz | 0 | - | 4.53 | 45,735 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,394 |
| Central America and Caribbean Map Quiz | 0 | - | 4.86 | 788,634 |
| Mexico States Map Quiz | 0 | - | 4.82 | 77,792 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,244 |
| Caribbean Countries and Territories | 0 | - | 4.88 | 85,626 |
| States of Brazil | 0 | - | 4.96 | 49,453 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,423 |
| Brazil Cities Map Quiz | 0 | - | 4.71 | 29,443 |
| Venezuela Country Quiz | 0 | - | 4.38 | 23,508 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,599 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.57 | 58,521 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,966 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,208 |
| South America Map Quiz | 0 | - | 4.99 | 1,258,137 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,462 |
| South American Physical Geography | 0 | - | 4.51 | 15,118 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,192 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,885 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,249 |
| Chile Country Quiz | 0 | - | 4.77 | 29,980 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,683 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,439 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,306 |
| Cities of Ireland | 0 | - | 4.40 | 35,686 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,864 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,225 |
| Peru Country Quiz | 0 | - | 4.50 | 37,936 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,170 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,381 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 27,980 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,381 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,302 |
| Paraguay Country Quiz | 0 | - | 4.48 | 19,032 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,943 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,358 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,783 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,575 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,980 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,769 |
| Bolivia Country Quiz | 0 | - | 4.56 | 20,014 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,458 |
| South America Flags Map Quiz | 0 | - | 4.97 | 50,456 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 67,237 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 71,511 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,812 |
| North America Cities by Map | 0 | - | 4.38 | 33,939 |
| US States with an Empty Map | 0 | - | 5.00 | 449,738 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 81,787 |
| South American Cities on the Map | 0 | - | 4.48 | 21,971 |
| Megacities on a World Map | 0 | - | 4.97 | 199,729 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,452 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,475 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 63,128 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,672 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,704 |
| Largest Virgin Islands | 0 | - | 4.22 | 4,485 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,531 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,153 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,286 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,001 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,052 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,712 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,517 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 80,418 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,199 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,038 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,947 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,627 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,746 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,048 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,811 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,247 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,299 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.88 | 40,427 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,446 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,870 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,561 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.87 | 43,676 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,088 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,576 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,298 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,372 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,502 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,638 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,658 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,852 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,581 |
| Which City in Latin America? | 0 | - | 4.64 | 34,651 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,529 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,613 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.94 | 205,440 |
| 500 Biggest US Cities | 0 | - | 4.88 | 75,991 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.67 | 32,012 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,456 |
| Which City in Canada? | 0 | - | 4.84 | 39,771 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,883 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,343 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 58,553 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,586 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,917 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,281 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 51,145 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.73 | 23,757 |
| Which South American Country? | 0 | - | 4.77 | 36,170 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.94 | 65,410 |
| Random Sequential U.S. States on a Map | 0 | - | 5.00 | 178,157 |
| Pixelated United States Map | 0 | - | 4.92 | 68,118 |
| Suriname Country Quiz | 0 | - | 4.57 | 15,057 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,701 |
| Guyana Country Quiz | 0 | - | 4.40 | 16,845 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 45,772 |
| Most-Visited U.S. Cities | 0 | - | 4.88 | 41,053 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 27,501 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 42,027 |
| Random U.S. States on a Map | 0 | - | 4.93 | 326,953 |
| Random American Countries on a Map | 0 | - | 4.97 | 72,304 |
| Random African Capitals on a Map | 0 | - | 4.91 | 40,635 |
| Random European Capitals on a Map | 0 | - | 4.96 | 89,946 |
| Random U.S. State Capitals on a Map | 0 | - | 4.87 | 69,109 |
| Biggest Cities in Australia on a Map | 0 | - | 4.58 | 27,123 |
| Largest Nordic Cities on a Map | 0 | - | 4.48 | 15,592 |
