| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,246 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,971 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,398 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,020 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,115 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,128 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,191 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,368 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,896 |
| Countries with Megacities | 0 | - | 4.99 | 262,968 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,199 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,182 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,103 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,503 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,220 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,309 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,213 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,872 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,678 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,696 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,848 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,367 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,505 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,050 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,868 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,432 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,885 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,267 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,666 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,756 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,458 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,466 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,898 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,811 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,204 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,994 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,348 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,582 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,228 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,876 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,039 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,094 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,311 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,492 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,559 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,687 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,488 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,441 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,666 |
| Random U.S. States on a Map | 0 | - | 4.96 | 626,221 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,663 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,568 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,800 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,781 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,263 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,787 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,413 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,221 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,895 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,589 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,395 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,851 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,109 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,286 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,879 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,480 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,328 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,128 |
| Largest City by Island | 0 | - | 4.87 | 71,828 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,922 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,895 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,424 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,896 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,027 |
| Megacities on a World Map | 0 | - | 4.98 | 254,388 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,318 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,881 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,385 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,358 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,565 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,931 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,783 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,294 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,928 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,234 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,174 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,716 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,237 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,524 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,205 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,710 |
| Vietnam War Countries | 0 | - | 4.82 | 94,194 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,915 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,078 |
| U.S. Senators by State | 0 | - | 4.44 | 39,944 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,408 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,394 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,890 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,505 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,227 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,243 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,219 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,718 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,344 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,355 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,744 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,250 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,756 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,173 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,315 |
| Most Populous Islands | 0 | - | 4.80 | 122,898 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,296 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,529 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,805 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,843 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,208 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,246 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,567 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,427 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,050 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,982 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,663 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,350 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,902 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,026 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,187 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,640 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,530 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,519 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,156 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,874 |
| California A-Z | 0 | - | 4.49 | 28,788 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,489 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,649 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,544 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,169 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,537 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,077 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,234 |
| Biggest Cities in History | 0 | - | 4.52 | 90,111 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,965 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,261 |
| Biggest City by Region | 0 | - | 4.50 | 36,207 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,129 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,395 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,179 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,345 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,233 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,405 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,555 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,447 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,372 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,543 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,315 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,608 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,378 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,950 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,350 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,070 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,420 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,313 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,021 |
| Which City in California? | 0 | - | 4.56 | 32,025 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,428,655 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,499 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,919 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,359 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,718 |
| Boundary Waters | 0 | - | 4.92 | 88,454 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,141 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,576 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,788 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,048 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,400 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,446 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,378 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,050 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,842 |
| Population Trivia | 0 | - | 4.32 | 27,488 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,736 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,033 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,730 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,627 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,054 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,465 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,542 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,815 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,547 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,434 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,977 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,964 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,949 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,461 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,931 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,812 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,288 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,596 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,375 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,356 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,921 |
