| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,827 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,335,932 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,894 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,879 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,648 |
| Countries That Border Russia | 0 | - | 4.98 | 367,511 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,082 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,528 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,026 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,644 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,467 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,234 |
| Biggest Cities in Japan | 0 | - | 4.72 | 66,482 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,715 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,699 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,571 |
| Biggest Cities in Poland | 0 | - | 4.72 | 40,082 |
| Countries that Border Poland | 0 | - | 4.98 | 129,389 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,640 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 20,968 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,016 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,388 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,186 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,435 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,311 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,173 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,872 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,698 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,401 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,292 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,007 |
| Biggest Cities in France | 0 | - | 4.52 | 161,258 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,643 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,752 |
| Biggest Cities in California | 0 | - | 4.30 | 119,767 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,360 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,434 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,837 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,010 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,261 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,657 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,852 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,171 |
| Biggest Cities in Europe | 0 | - | 4.57 | 403,170 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,483 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,237 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,664 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,534 |
| European Cities by Clue | 0 | - | 4.81 | 77,888 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,950 |
| Biggest Cities in China | 0 | - | 4.42 | 118,032 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,027 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,019 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,388 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,393 |
| Slavic Countries | 0 | - | 4.96 | 79,265 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,734 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,328 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,055 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,734 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,296 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,437 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,750 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,563 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,363 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,145 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,178 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,678 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,787 |
| Countries Formerly in Yugoslavia | 0 | - | 4.93 | 92,169 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,504 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,184 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,626 |
| Biggest Cities in India | 0 | - | 4.51 | 54,778 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,841 |
| Official Cities in the UK | 0 | - | 4.89 | 197,053 |
| Russia Country Quiz | 0 | - | 4.86 | 90,687 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,262 |
| Countries that Border Hungary | 0 | - | 4.99 | 85,297 |
| Europe Capital to Country | 0 | - | 4.99 | 198,797 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,172 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,823 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,909 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,791 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 68,373 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,420 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,814 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,967 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,863 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,100 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,565 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,141 |
| European Capitals by Map | 0 | - | 4.99 | 51,357 |
| Cities of Ireland | 0 | - | 4.39 | 35,628 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,798 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,866 |
| Moldova Country Quiz | 0 | - | 4.89 | 22,788 |
| EU Capitals with No Hints | 0 | - | 4.93 | 98,350 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,998 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,302 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 118,045 |
| Cities of China (With Some Help) | 0 | - | 4.76 | 23,484 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,827 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,652 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,225 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,981 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,377 |
| European Cities by Map #1 | 0 | - | 4.49 | 33,946 |
| European Cities by Map #2 | 0 | - | 4.33 | 30,076 |
| UK Cities and Towns by Map | 0 | - | 4.55 | 38,609 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 242,372 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,611 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.78 | 77,075 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,607 |
| Megacities on a World Map | 0 | - | 4.97 | 199,127 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 170,773 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,099 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 62,923 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,431 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,601 |
| Federal Subjects of Russia | 0 | - | 4.95 | 81,110 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,376 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,156 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,029 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 65,345 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 307,139 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 91,494 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,232 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,126 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,953 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.56 | 34,642 |
| 50 Busiest Air Routes from London | 0 | - | 4.82 | 64,134 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,328 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.97 | 54,863 |
| Most-Visited Cities in Europe | 0 | - | 4.89 | 45,177 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 70,999 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,016 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,901 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,702 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,423 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 61,764 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,805 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,306 |
| European Coastal Capitals | 0 | - | 4.95 | 69,501 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,115 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,327 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,483 |
| Most Guessed European Capitals | 0 | - | 4.84 | 67,401 |
| Countries with Territory in the Balkans | 0 | - | 4.92 | 66,267 |
| Countries Bordering Serbia | 0 | - | 4.92 | 72,127 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,977 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,211 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,285 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,398 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,865 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,373 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,731 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,524 |
| European Capitals Furthest from the Sea | 0 | - | 4.94 | 53,581 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 101,810 |
| Which City in Europe? | 0 | - | 4.87 | 85,836 |
| Which City In the United Kingdom? | 0 | - | 4.95 | 63,917 |
| European Capital Superlatives - Top 2 | 0 | - | 4.92 | 55,652 |
| European Capitals Ending in N | 0 | - | 4.92 | 66,766 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,061 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,622 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,418 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,837 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,145 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.87 | 45,638 |
| Random European City to Country | 0 | - | 4.84 | 81,155 |
| Random European Capital to Country | 0 | - | 4.97 | 128,347 |
| Random European Country to Capital | 0 | - | 4.90 | 103,709 |
| Countries With the Most Russian Speakers | 0 | - | 4.94 | 44,535 |
| Pixelated Europe Map | 0 | - | 4.88 | 95,591 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,738 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,041 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,791 |
| Counties of the UK and Ireland | 0 | - | 4.94 | 77,748 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.94 | 65,040 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 80,419 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,736 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 37,483 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,149 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,432 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,638 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 45,643 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 176,629 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 27,361 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 41,865 |
| Random European Countries on a Map | 0 | - | 4.98 | 212,365 |
| European Map without 10 Random Countries | 0 | - | 4.98 | 213,628 |
| Random African Capitals on a Map | 0 | - | 4.91 | 40,475 |
| Random European Capitals on a Map | 0 | - | 4.96 | 89,686 |
| Random U.S. State Capitals on a Map | 0 | - | 4.89 | 68,625 |
| Biggest Cities in Australia on a Map | 0 | - | 4.58 | 27,032 |
| Largest Nordic Cities on a Map | 0 | - | 4.48 | 15,522 |
| Slovakia Country Quiz | 0 | - | 4.54 | 22,389 |
| Cities in Squares on a Map - North America | 0 | - | 4.26 | 16,738 |
| Random Cities Near Paris on a Map | 0 | - | 4.46 | 29,102 |
