| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 747,426 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,413,906 |
| South America Capitals Quiz | 0 | - | 4.99 | 384,127 |
| Biggest Cities in Texas | 0 | - | 4.24 | 105,846 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,348 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 160,767 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,380 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 301,852 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 102,731 |
| Biggest Cities by Language | 0 | - | 4.95 | 201,832 |
| Biggest Nordic Cities | 0 | - | 4.36 | 57,981 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 71,626 |
| Biggest Cities in Japan | 0 | - | 4.68 | 70,128 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 146,031 |
| Biggest Cities in Russia | 0 | - | 4.48 | 71,856 |
| States of Mexico | 0 | - | 4.92 | 120,347 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 44,751 |
| Biggest Cities in Poland | 0 | - | 4.55 | 43,381 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 11,698 |
| Colombia Country Quiz | 0 | - | 4.88 | 31,181 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 22,935 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 78,140 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 65,166 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.21 | 73,183 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 79,158 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 63,170 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.13 | 58,952 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 19,288 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.84 | 54,086 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 57,248 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 64,351 |
| Biggest U.S. Cities A-Z | 0 | - | 4.52 | 114,962 |
| Biggest Cities in France | 0 | - | 4.45 | 172,107 |
| Biggest Cities in Spain | 0 | - | 4.60 | 140,880 |
| Biggest Cities in Italy | 0 | - | 4.60 | 200,104 |
| Biggest Cities in California | 0 | - | 4.33 | 124,259 |
| Biggest Cities in Florida | 0 | - | 4.17 | 63,912 |
| Capitals of Canadian Provinces | 0 | - | 4.84 | 69,028 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 21,447 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 87,285 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 43,373 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 45,478 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,083 |
| Biggest Cities in New York State | 0 | - | 4.24 | 53,193 |
| Biggest Cities in Europe | 0 | - | 4.50 | 423,266 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 18,556 |
| Biggest Cities in Tennessee | 0 | - | 4.23 | 18,180 |
| Biggest Cities in Canada | 0 | - | 4.60 | 113,335 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 33,650 |
| Central American Countries | 0 | - | 4.96 | 128,537 |
| North America Capitals Quiz | 0 | - | 4.99 | 166,618 |
| Countries Bordering Brazil | 0 | - | 4.97 | 109,844 |
| Biggest Cities in China | 0 | - | 4.42 | 125,647 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 40,585 |
| Biggest Cities in Germany | 0 | - | 4.93 | 240,517 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,337 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 140,777 |
| Biggest City in Every Country | 0 | - | 4.97 | 71,378 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,239 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 56,499 |
| Biggest Cities in Colorado | 0 | - | 4.02 | 28,394 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 26,519 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 21,505 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 22,906 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 29,901 |
| Biggest Cities in Wisconsin | 0 | - | 4.42 | 21,834 |
| Biggest Cities in Georgia | 0 | - | 3.81 | 20,414 |
| Biggest Cities in Massachusetts | 0 | - | 4.33 | 25,695 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 14,993 |
| Biggest Cities in Oregon | 0 | - | 4.05 | 17,588 |
| Biggest Cities in Alaska | 0 | - | 4.26 | 22,148 |
| Biggest English Cities by Century | 0 | - | 4.92 | 91,493 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 40,707 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 113,531 |
| Biggest Cities in India | 0 | - | 4.60 | 58,048 |
| Biggest Cities in Asia | 0 | - | 4.91 | 89,480 |
| Brazil Country Quiz | 0 | - | 4.48 | 84,952 |
| Argentina Country Quiz | 0 | - | 4.51 | 48,448 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 61,623 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 58,408 |
| States of Brazil | 0 | - | 4.97 | 57,541 |
| Brazil States Map Quiz | 0 | - | 4.82 | 34,132 |
| Brazil Cities Map Quiz | 0 | - | 4.60 | 31,312 |
| Venezuela Country Quiz | 0 | - | 4.46 | 25,088 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.50 | 60,631 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 17,264 |
| Most Populous World Capitals | 0 | - | 4.89 | 132,494 |
| South America Map Quiz | 0 | - | 4.99 | 1,324,234 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 26,825 |
| South American Physical Geography | 0 | - | 4.55 | 16,245 |
| Biggest European Cities by Century | 0 | - | 4.95 | 111,098 |
| U.S. Cities by Hispanic Population | 0 | - | 4.23 | 23,545 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 63,967 |
| Chile Country Quiz | 0 | - | 4.70 | 32,188 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.60 | 61,198 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 108,591 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 62,447 |
| Cities of Ireland | 0 | - | 4.42 | 37,178 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,044 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 154,297 |
| Peru Country Quiz | 0 | - | 4.49 | 40,306 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 84,867 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.79 | 48,220 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 29,250 |
| South American Geography Quiz #2 | 0 | - | 4.56 | 35,036 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 123,777 |
| Paraguay Country Quiz | 0 | - | 4.47 | 20,559 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 75,678 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 128,383 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 151,877 |
| Cities of China (With Some Help) | 0 | - | 4.84 | 25,682 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 39,896 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 45,169 |
| Bolivia Country Quiz | 0 | - | 4.58 | 21,584 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 41,433 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 73,446 |
| Biggest Cities in the UK | 0 | - | 4.42 | 84,780 |
| North America Cities by Map | 0 | - | 4.40 | 43,419 |
| US States with an Empty Map | 0 | - | 5.00 | 497,514 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 86,426 |
| South American Cities on the Map | 0 | - | 4.53 | 31,297 |
| Megacities on a World Map | 0 | - | 4.98 | 207,493 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 183,685 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 100,558 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.93 | 66,515 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 77,750 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 40,810 |
| Largest Virgin Islands | 0 | - | 4.23 | 4,695 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.96 | 84,859 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 337,338 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 106,815 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.30 | 34,008 |
| U.S. State Capitals Map Quiz | 0 | - | 4.87 | 114,321 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 52,199 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.45 | 36,206 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 472,212 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.15 | 73,376 |
| Megacities on an Empty Map | 0 | - | 4.96 | 81,242 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 55,757 |
| Uruguay Country Quiz | 0 | - | 4.82 | 26,307 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 57,682 |
| All Cities in China with Population of 1 Million | 0 | - | 4.54 | 33,483 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.86 | 37,807 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 24,314 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 36,045 |
| Ecuador Country Quiz | 0 | - | 4.55 | 23,773 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 58,782 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 46,525 |
| Biggest Trading Partners - Colombia | 0 | - | 4.71 | 22,561 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 37,848 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 64,797 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 83,394 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 56,208 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.61 | 53,256 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 39,514 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 278,227 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 86,382 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 64,910 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 31,994 |
| Which City in Latin America? | 0 | - | 4.60 | 36,244 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 32,302 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 41,598 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.94 | 233,492 |
| 500 Biggest US Cities | 0 | - | 4.85 | 84,199 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.63 | 33,971 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 27,398 |
| Which City in Canada? | 0 | - | 4.83 | 41,836 |
| Saint Lucia Country Quiz | 0 | - | 4.62 | 14,887 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 66,580 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 61,577 |
| Countries that Beat Brazil | 0 | - | 4.36 | 41,905 |
| Biggest Cities in France - Extreme | 0 | - | 4.85 | 36,229 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.71 | 51,405 |
| Paraguay... or Uruguay? | 0 | - | 4.48 | 24,145 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.84 | 62,439 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.87 | 29,664 |
| Every City in Colorado on a Map | 0 | - | 4.41 | 6,371 |
| Which South American Country? | 0 | - | 4.83 | 45,215 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.96 | 75,773 |
| Random Sequential U.S. States on a Map | 0 | - | 5.00 | 191,847 |
| Suriname Country Quiz | 0 | - | 4.58 | 16,209 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.56 | 22,920 |
| Guyana Country Quiz | 0 | - | 4.45 | 18,194 |
| Every U.S. Metro Area on a Map | 0 | - | 4.95 | 56,440 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 63,190 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 31,121 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.85 | 54,579 |
| Random U.S. States on a Map | 0 | - | 4.93 | 357,952 |
| Random African Capitals on a Map | 0 | - | 4.94 | 43,561 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 40,944 |
| Random European Capitals on a Map | 0 | - | 4.96 | 96,090 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 73,641 |
| Biggest Cities in Australia on a Map | 0 | - | 4.60 | 29,490 |
| Largest Nordic Cities on a Map | 0 | - | 4.52 | 17,086 |
| Cities in Squares on a Map - North America | 0 | - | 4.33 | 17,783 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 18,741 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 47,370 |
| Random Cities Near Chicago on a Map | 0 | - | 4.50 | 28,703 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.39 | 20,791 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 33,528 |
