| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 777,074 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,462,358 |
| Biggest Cities in Texas | 0 | - | 4.23 | 108,331 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 27,172 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 163,591 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 24,098 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 311,683 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 105,363 |
| Biggest Cities by Language | 0 | - | 4.95 | 207,196 |
| Biggest Nordic Cities | 0 | - | 4.36 | 58,843 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 73,084 |
| Biggest Cities in Japan | 0 | - | 4.70 | 72,632 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 149,928 |
| Biggest Cities in Russia | 0 | - | 4.46 | 74,111 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 46,586 |
| Biggest Cities in Poland | 0 | - | 4.55 | 45,554 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.40 | 12,388 |
| Biggest Cities in Mexico | 0 | - | 4.53 | 24,110 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 80,299 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 67,185 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.22 | 75,102 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 80,961 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 64,416 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.14 | 60,182 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.13 | 20,194 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.85 | 54,893 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 58,438 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 65,743 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 118,652 |
| Biggest Cities in France | 0 | - | 4.48 | 178,888 |
| Biggest Cities in Spain | 0 | - | 4.51 | 146,529 |
| Biggest Cities in Italy | 0 | - | 4.61 | 207,445 |
| Biggest Cities in California | 0 | - | 4.34 | 126,898 |
| Biggest Cities in Florida | 0 | - | 4.18 | 65,434 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 629,099 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,160 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 89,536 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 44,491 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 47,538 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,633 |
| Biggest Cities in New York State | 0 | - | 4.22 | 54,384 |
| Biggest Cities in Europe | 0 | - | 4.49 | 436,306 |
| Biggest Cities in Indiana | 0 | - | 4.25 | 19,140 |
| Biggest Cities in Tennessee | 0 | - | 4.22 | 18,631 |
| Biggest Cities in Canada | 0 | - | 4.63 | 116,304 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 35,485 |
| Biggest Cities in China | 0 | - | 4.43 | 130,629 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 41,599 |
| Biggest Cities in Germany | 0 | - | 4.94 | 250,579 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 58,467 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 145,108 |
| Biggest City in Every Country | 0 | - | 4.97 | 73,687 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,677 |
| Biggest Cities in Colorado | 0 | - | 4.02 | 29,089 |
| Biggest Cities in Arizona | 0 | - | 4.21 | 27,390 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 22,153 |
| Biggest Cities in Illinois | 0 | - | 4.32 | 23,594 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 30,890 |
| Biggest Cities in Wisconsin | 0 | - | 4.44 | 22,635 |
| Biggest Cities in Georgia | 0 | - | 3.84 | 20,956 |
| Biggest Cities in Massachusetts | 0 | - | 4.34 | 26,506 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 15,377 |
| Biggest Cities in Oregon | 0 | - | 4.06 | 18,119 |
| Biggest Cities in Alaska | 0 | - | 4.22 | 22,793 |
| Biggest English Cities by Century | 0 | - | 4.93 | 95,502 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,090 |
| Biggest European Cities by Letter | 0 | - | 4.51 | 115,741 |
| Biggest Cities in India | 0 | - | 4.60 | 60,187 |
| Biggest Cities in Asia | 0 | - | 4.92 | 92,047 |
| Official Cities in the UK | 0 | - | 4.88 | 221,202 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 63,344 |
| Europe Capital to Country | 0 | - | 4.99 | 211,723 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 59,772 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 61,769 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 18,023 |
| Most Populous World Capitals | 0 | - | 4.90 | 135,560 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 27,599 |
| Biggest European Cities by Century | 0 | - | 4.96 | 114,575 |
| U.S. Cities by Hispanic Population | 0 | - | 4.24 | 24,031 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 67,579 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 62,954 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.93 | 65,002 |
| European Capitals by Map | 0 | - | 4.99 | 80,575 |
| Cities of Ireland | 0 | - | 4.42 | 38,241 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,857 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 159,839 |
| EU Capitals with No Hints | 0 | - | 4.92 | 106,667 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 87,572 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 49,363 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 127,129 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 27,063 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 41,291 |
| Biggest Cities with Exceptions | 0 | - | 4.85 | 46,585 |
| Countries of Europe by Population | 0 | - | 4.98 | 119,283 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 195,545 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 42,692 |
| European Cities by Map #1 | 0 | - | 4.53 | 50,673 |
| European Cities by Map #2 | 0 | - | 4.42 | 43,543 |
| UK Cities and Towns by Map | 0 | - | 4.53 | 42,531 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 274,208 |
| Biggest Cities in the UK | 0 | - | 4.41 | 88,293 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 89,606 |
| Megacities on a World Map | 0 | - | 4.98 | 213,266 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 190,528 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 104,182 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 68,654 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.86 | 80,309 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.76 | 41,838 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 87,515 |
| Countries of Europe After World War II | 0 | - | 4.98 | 161,824 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 130,542 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 69,714 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 353,638 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 100,333 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.28 | 35,173 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.87 | 183,905 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 53,767 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,009 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 81,736 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 490,343 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.21 | 81,057 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 68,976 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 52,241 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 75,730 |
| Megacities on an Empty Map | 0 | - | 4.96 | 83,930 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 57,751 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 60,157 |
| All Cities in China with Population of 1 Million | 0 | - | 4.60 | 35,524 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 75,103 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 26,324 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.93 | 44,558 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 38,223 |
| European Coastal Capitals | 0 | - | 4.96 | 73,996 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 61,062 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.45 | 49,818 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 38,884 |
| Most Guessed European Capitals | 0 | - | 4.87 | 74,032 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 66,544 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 57,559 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 54,584 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 40,663 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 290,275 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 91,385 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 66,751 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 32,959 |
| European Capitals Furthest from the Sea | 0 | - | 4.94 | 64,879 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 44,986 |
| Which City in Europe? | 0 | - | 4.84 | 93,235 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 70,790 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 59,655 |
| European Capitals Ending in N | 0 | - | 4.92 | 71,591 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 127,673 |
| 500 Biggest US Cities | 0 | - | 4.85 | 89,976 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,031 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,540 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 74,654 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.90 | 52,913 |
| Random European City to Country | 0 | - | 4.82 | 87,851 |
| Random European Capital to Country | 0 | - | 4.97 | 143,796 |
| Random European Country to Capital | 0 | - | 4.88 | 128,598 |
| Pixelated Europe Map | 0 | - | 4.86 | 103,989 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 39,607 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.70 | 58,885 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.86 | 69,027 |
| Counties of the UK and Ireland | 0 | - | 4.95 | 94,731 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.96 | 83,254 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 104,125 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 105,501 |
| Cities in Squares on a Map - Europe | 0 | - | 4.61 | 42,388 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 83,772 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 94,141 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 23,720 |
| Every U.S. Metro Area on a Map | 0 | - | 4.95 | 58,975 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 193,859 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 33,375 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.88 | 56,617 |
| Random European Countries on a Map | 0 | - | 4.98 | 245,258 |
| European Map without 10 Random Countries | 0 | - | 4.96 | 234,146 |
| Random African Capitals on a Map | 0 | - | 4.96 | 45,701 |
| Random European Capitals on a Map | 0 | - | 4.97 | 100,976 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 77,440 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 31,077 |
| Largest Nordic Cities on a Map | 0 | - | 4.52 | 18,010 |
| Cities in Squares on a Map - North America | 0 | - | 4.34 | 18,544 |
| Random Cities Near Paris on a Map | 0 | - | 4.50 | 33,025 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 19,708 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 49,512 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.39 | 21,526 |
| Name a Valid European Capital | 0 | - | 4.93 | 90,231 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 34,982 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 39,073 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.96 | 51,497 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 102,894 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 99,863 |
| Europe Map with Random Merged Countries | 0 | - | 4.95 | 246,216 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.03 | 15,850 |
| Name a City - European Countries | 0 | - | 4.93 | 49,320 |
| Cities on Interstate 90 on a Map | 0 | - | 4.38 | 24,051 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 117,047 |
| The Most Populous U.S. City by Category | 0 | - | 4.26 | 14,175 |
