| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,388 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,335,032 |
| World Capitals Quiz | 0 | - | 5.00 | 3,911,511 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,178,823 |
| South America Capitals Quiz | 0 | - | 4.99 | 359,751 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,862 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,869 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,090 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,617 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,893 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,246 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,374 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,700 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,662 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.83 | 98,982 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,577 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,455 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,210 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,148 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,711 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,448 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,655 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,669 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,125 |
| Africa Capitals Quiz | 0 | - | 4.99 | 526,496 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 107,243 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,534 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,049 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,632 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,818 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,760 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,593 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,303 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,319 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,816 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,509 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,366 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,558 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,092 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,952 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,980 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,357 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,159 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,415 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,295 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,163 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,860 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,389 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,270 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,954 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,656 |
| Top World Languages | 0 | - | 4.89 | 576,235 |
| Biggest Cities in France | 0 | - | 4.52 | 161,160 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,560 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,634 |
| Biggest Cities in California | 0 | - | 4.30 | 119,721 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,314 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,102 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,820 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,971 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,238 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,629 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,159 |
| Biggest Cities in Europe | 0 | - | 4.56 | 402,988 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,476 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,228 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,604 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,508 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,356 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 184,687 |
| Asia Capitals Quiz | 0 | - | 4.97 | 500,536 |
| Biggest Cities in China | 0 | - | 4.41 | 117,934 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 160,767 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,003 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,892 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,368 |
| Capitals in their Native Languages | 0 | - | 4.93 | 106,324 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,564 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,329 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,699 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,321 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,718 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,284 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,423 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,726 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,553 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,134 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,173 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,661 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,777 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,724 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,114 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,462 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,161 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,602 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,111 |
| Biggest Cities in India | 0 | - | 4.51 | 54,753 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,803 |
| Biggest City by Island | 0 | - | 4.49 | 42,159 |
| Official Cities in the UK | 0 | - | 4.89 | 196,924 |
| Biggest Cities in History | 0 | - | 4.49 | 70,365 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,779 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,832 |
| Random Capital to Country | 0 | - | 4.99 | 2,069,776 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,233 |
| Random Country to Capital | 0 | - | 4.98 | 693,197 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,206 |
| Coldest World Capitals | 0 | - | 4.97 | 105,154 |
| Europe Capital to Country | 0 | - | 4.99 | 198,717 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,153 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,126 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,000 |
| Same Letter Country and Capital | 0 | - | 4.98 | 103,296 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,804 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,900 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,740 |
| Biggest City by Region | 0 | - | 4.50 | 29,033 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,108 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,744 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,409 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,920 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,488 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,307 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,854 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,045 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,069 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,309 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,548 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,473 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,825 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,095 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,365 |
| World Capitals by Map | 0 | - | 5.00 | 189,630 |
| Cities of Ireland | 0 | - | 4.39 | 35,612 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,789 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,773 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,968 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,286 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,942 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,452 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,789 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,630 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,164 |
| Countries with Megacities | 0 | - | 4.99 | 174,638 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,859 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,358 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,559 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,554 |
| World Capitals by Proximity | 0 | - | 4.91 | 263,125 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,478 |
| Megacities on a World Map | 0 | - | 4.97 | 199,031 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 165,900 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,759 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,810 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,257 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,583 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,019 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,130 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,305 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,812 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,221 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,644 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,059 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,929 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,819 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,617 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,844 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,019 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,964 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,859 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,651 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,367 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,066 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,712 |
| All Cities in India with Population of 1 Million | 0 | - | 4.78 | 31,757 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,072 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,289 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,076 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,469 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 37,442 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,956 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,187 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,251 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,520 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,367 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,643 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,289 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,700 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,513 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,123 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,331 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,245 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,847 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,508 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,397 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,822 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,098 |
| Random European Capital to Country | 0 | - | 4.97 | 128,263 |
| Random European Country to Capital | 0 | - | 4.90 | 103,663 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,690 |
