| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,660 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,471 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,209 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,258 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,367 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,459 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,467 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,995 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,549 |
| Countries with Megacities | 0 | - | 4.99 | 246,517 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,913 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,797 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,904 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,369 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,959 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,753 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,077 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,778 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,825 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,823 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,441 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,542 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,206 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,595 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,585 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,771 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,799 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,904 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,438 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,482 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,472 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,020 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,525 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,021 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,129 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,709 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,635 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,470 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,094 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,682 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,440 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,457 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,017 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,072 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,359 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,181 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,098 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,302 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,178 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,929 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,143 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,844 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,924 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,786 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,951 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,803 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,338 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,115 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,112 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,260 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,856 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,357 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,537 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,255 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,355 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,798 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,960 |
| Largest City by Island | 0 | - | 4.87 | 71,007 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,354 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,492 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,274 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,236 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,542 |
| Megacities on a World Map | 0 | - | 4.98 | 250,822 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,766 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,826 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,873 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,461 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,631 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,269 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,116 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,100 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,401 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,238 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,219 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,562 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,529 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,765 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,160 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,554 |
| Vietnam War Countries | 0 | - | 4.83 | 93,580 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,071 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,038 |
| U.S. Senators by State | 0 | - | 4.44 | 39,742 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,929 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,909 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,517 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,094 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,216 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,391 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,421 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,526 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,223 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,680 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,717 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,737 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,431 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,493 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,736 |
| Most Populous Islands | 0 | - | 4.78 | 121,953 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,196 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,649 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,835 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,081 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,346 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,280 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,633 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,154 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,792 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,144 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,246 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,932 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,963 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,034 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,727 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,415 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,590 |
| California A-Z | 0 | - | 4.49 | 28,702 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,108 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,427 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,341 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,949 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,880 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,890 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,578 |
| Biggest Cities in History | 0 | - | 4.52 | 89,092 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,677 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,106 |
| Biggest City by Region | 0 | - | 4.50 | 35,989 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,890 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,173 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,008 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,215 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,902 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,246 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 63,979 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,181 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 35,988 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,271 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,462 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,932 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,563 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,878 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,112 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,961 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,202 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,297 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,148 |
| Which City in California? | 0 | - | 4.56 | 31,875 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,892,336 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,589 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,785 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,526 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,753 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,795 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,137 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,962 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,238 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,230 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,812 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,704 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,706 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,716 |
| Population Trivia | 0 | - | 4.32 | 27,419 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,290 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,851 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,466 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,210 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,972 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,306 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,616 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,663 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,462 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,973 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,847 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,205 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,681 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,091 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,741 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,598 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,016 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,196 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,160 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,759 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,874 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,857 |
