| Biggest Cities in the World | 0 | - | 4.91 | 801,747 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,114 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,408 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,230 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,154 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,876 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 145,140 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,272 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,872 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,039 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,456 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,248 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,357 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,889 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,990 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,337 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,834 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,943 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,139 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,094 |
| Largest City by Island | 0 | - | 4.87 | 72,114 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,216 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,280 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,833 |
| Megacities on a World Map | 0 | - | 4.98 | 255,549 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,785 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,546 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,254 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,365 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,793 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,490 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,506 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,491 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,118 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,033 |
| Countries that Start with A | 0 | - | 4.98 | 2,167,853 |
| Countries that Start with B | 0 | - | 4.95 | 2,299,102 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,857 |
| Countries that Start with D | 0 | - | 4.96 | 712,385 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,375 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,627 |
| Countries that Start with H | 0 | - | 4.96 | 606,672 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,834 |
| Countries that Start with J | 0 | - | 4.98 | 604,247 |
| Countries that Start with K | 0 | - | 4.97 | 817,821 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,156 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,209 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,562 |
| Countries that Start with S | 0 | - | 4.98 | 1,758,245 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,684 |
| Countries that Start with U | 0 | - | 4.97 | 905,958 |
| Countries that Start with V | 0 | - | 4.98 | 610,378 |
| Countries that Start with F | 0 | - | 4.83 | 619,089 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,421 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,620 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,461 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,245 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,802 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,236 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,632 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,752 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,016 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,302 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,066 |
| Countries with Megacities | 0 | - | 4.99 | 264,966 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,888 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,572 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,155 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,644 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,048 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,673 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,945 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,174 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,807 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,535 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,114 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,204 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,790 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,580 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,060 |
| Biggest City by Region | 0 | - | 4.50 | 36,298 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,211 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,615 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,609 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,802 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,240 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,388 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,376 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,337 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,101 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,559 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,555 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,474 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,539 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,396 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,617 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,225 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,998 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,334 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,243 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,612 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,799 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,273 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,480 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,065 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,862 |
| NATO Countries | 0 | - | 4.98 | 281,818 |
| EU Countries Quiz | 0 | - | 4.99 | 275,856 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,602 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,801 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,398 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,074 |
| Countries with NO Military | 0 | - | 4.97 | 62,715 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,833 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,112 |
| Biggest Cities in History | 0 | - | 4.52 | 90,337 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,348 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,332 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,661 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,501 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,038 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,556 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,171 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,657 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,586 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,825 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,624 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,228 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,665 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,346 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,666 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,666 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,929 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,917 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,313 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,727 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,795 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,216 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,378 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,540 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,014 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,097 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,101 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,861 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,577 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,742 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,651 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,292 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,307 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,295 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,695 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,837 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,315 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,557 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,329 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,956 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,361 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,666 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,451 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,318 |
| Coldest World Capitals | 0 | - | 4.95 | 133,680 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,684 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,760 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,778 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,945 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,960 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,599 |
| Buddhist Countries | 0 | - | 4.96 | 144,675 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,083 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,264 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,431 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,081 |
| Countries that Start with R | 0 | - | 4.43 | 448,631 |
| World Currency Quiz | 0 | - | 4.92 | 304,549 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,606 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,383 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,084 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,390 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,289 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,049 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,450 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,845 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,395 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,059 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,403 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,246 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,058 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,322 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,863 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,520 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,031 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,490 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,893 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,932 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,146 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,069 |
| Most Populous Islands | 0 | - | 4.80 | 123,088 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,330 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,581 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,452 |
