| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 708,627 |
| Biggest Cities in Texas | 0 | - | 4.20 | 95,005 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,928 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,807 |
| Communist Countries in History | 0 | - | 4.48 | 383,623 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,061 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,925 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,816 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,160 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,184 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,519 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,340 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,800 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,619 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,949 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,826 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,180 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,497 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,727 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,212 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,062 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,998 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,782 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,633 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,442 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,036 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,807 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,614 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,811 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,330 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,054 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,209 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,568 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,547 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,604 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,441 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,299 |
| 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 | 55,532 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,432 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,174 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,051 |
| Biggest Cities in France | 0 | - | 4.52 | 161,684 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,978 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,196 |
| Countries in World War II | 0 | - | 4.48 | 681,095 |
| Biggest Cities in California | 0 | - | 4.30 | 119,937 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,479 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 571,857 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,897 |
| Countries in World War I | 0 | - | 4.91 | 183,012 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,168 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,335 |
| Biggest Cities in The Netherlands | 0 | - | 4.40 | 35,951 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,246 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,944 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,841 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,615 |
| Vietnam War Countries | 0 | - | 4.78 | 76,749 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 65,126 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,360 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,130 |
| Biggest Cities in China | 0 | - | 4.43 | 118,318 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,081 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,738 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,451 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,609 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 134,965 |
| The American Revolution | 0 | - | 4.47 | 47,624 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,853 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,797 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,813 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,802 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,217 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,776 |
| WWII Trivia #1 | 0 | - | 4.34 | 130,896 |
| Notable People of WWII | 0 | - | 4.48 | 74,009 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,311 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,746 |
| Biggest Cities in India | 0 | - | 4.52 | 54,902 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,003 |
| Biggest City by Island | 0 | - | 4.49 | 42,245 |
| WWII Trivia #2 | 0 | - | 4.47 | 76,288 |
| World War I Quiz | 0 | - | 4.53 | 83,016 |
| Biggest Cities in History | 0 | - | 4.47 | 70,646 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,876 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,891 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,400 |
| The American Civil War | 0 | - | 4.58 | 44,415 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,497 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,418 |
| Important Cities in WWII | 0 | - | 4.37 | 75,861 |
| Confederate States of the U.S. Civil War | 0 | - | 4.93 | 103,469 |
| WWI A-Z | 0 | - | 4.49 | 30,966 |
| WWII A-Z #1 | 0 | - | 4.74 | 81,326 |
| WWII A-Z #2 | 0 | - | 4.44 | 43,748 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,769 |
| WWII First Names | 0 | - | 4.37 | 33,707 |
| WWII Movies | 0 | - | 4.16 | 23,956 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,249 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,221 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,102 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,927 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.57 | 58,552 |
| World Leaders of the World Wars | 0 | - | 4.35 | 30,591 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,214 |
| Biggest City by Region | 0 | - | 4.50 | 29,174 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,275 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,870 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,463 |
| WWII Geography | 0 | - | 4.73 | 88,978 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,200 |
| WWII Decoder | 0 | - | 4.39 | 43,114 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,885 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,106 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,252 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,405 |
| Military History Vocabulary | 0 | - | 4.84 | 52,062 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,690 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,529 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,979 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,311 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,548 |
| Cities of Ireland | 0 | - | 4.40 | 35,688 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,867 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,236 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,902 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,174 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,384 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,306 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,579 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,981 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,770 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,460 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,819 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 81,792 |
| Normandy D-Day Beaches | 0 | - | 4.71 | 26,805 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,591 |
| Megacities on a World Map | 0 | - | 4.97 | 199,739 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,476 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,860 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,478 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,676 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,706 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,080 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 74,610 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,546 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,484 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,571 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,286 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,054 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,714 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,944 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,549 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,205 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,040 |
| The Reign of Napoleon | 0 | - | 4.46 | 26,691 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,956 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,633 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,123 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,053 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,812 |
| The Life of Winston Churchill | 0 | - | 4.06 | 10,553 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,301 |
| Soviet Union Country Quiz | 0 | - | 4.79 | 56,515 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,446 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,223 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,563 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.57 | 49,799 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.16 | 33,680 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,753 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,091 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,300 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,374 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,503 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,659 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,665 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,854 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,583 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,168 |
| Ten Southernmost Megacities | 0 | - | 4.68 | 32,418 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.54 | 11,672 |
| Flags to Largest Cities | 0 | - | 4.55 | 23,055 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,004 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,456 |
| Cities Bombed During WWII | 0 | - | 4.03 | 24,336 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,885 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,352 |
| WWII Figures by Picture | 0 | - | 4.64 | 30,605 |
| World War II Multiple Choice | 0 | - | 4.36 | 85,379 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,921 |
| Territory Changes in World War I | 0 | - | 4.78 | 34,037 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,289 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 51,152 |
| Biggest Cities in the World - 2100 | 0 | - | 4.27 | 67,841 |
| Countries of the German Empire | 0 | - | 4.36 | 26,683 |
| Countries that Have Won the Most Battles | 0 | - | 4.04 | 32,443 |
| Battle to Country | 0 | - | 4.89 | 30,614 |
| Countries of the Italian Empire | 0 | - | 4.19 | 19,952 |
