| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,102 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,527 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,206 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,555 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,449 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,739 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,629 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,640 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,868 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,833 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,987 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,474 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,504 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,565 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,043 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,151 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,732 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,665 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,503 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,954 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,418 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,833 |
| Largest City by Island | 0 | - | 4.87 | 71,028 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,384 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,109 |
| Megacities on a World Map | 0 | - | 4.98 | 250,909 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,161 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,787 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,853 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,702 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,134 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,338 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,991 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,009 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,296 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,560 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,485 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,285 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,597 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,944 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,706 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,400 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,663 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,898 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,530 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,111 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,443 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,559 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,778 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,661 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,831 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,567 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,107 |
| Countries with Megacities | 0 | - | 4.99 | 246,753 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,038 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,915 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,460 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,808 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,302 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,247 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,437 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,271 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,711 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,761 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,476 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,521 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,192 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,928 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,556 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,902 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,903 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,693 |
| Biggest City by Region | 0 | - | 4.50 | 35,993 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,894 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,647 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,204 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,013 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,219 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,917 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,815 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,250 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,230 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,813 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,881 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,864 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,464 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,578 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,247 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,377 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,101 |
| Biggest Cities in History | 0 | - | 4.52 | 89,118 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,116 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,181 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,878 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,191 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 35,998 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,287 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,939 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,007 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,049 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,754 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,462 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,494 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,952 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,584 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,897 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,152 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,978 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,122 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,806 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,017 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,198 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,132 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,310 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,899 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,382 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,570 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,285 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,644 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,275 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,448 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,272 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,253 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,598 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,553 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,796 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,204 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,470 |
| Europe Capital to Country | 0 | - | 4.99 | 247,685 |
| Asia Capital to Country | 0 | - | 4.96 | 125,741 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,434 |
| European Capitals by Map | 0 | - | 4.99 | 136,228 |
| African Capitals by Map | 0 | - | 4.99 | 132,142 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,118 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,167 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,594 |
| European Coastal Capitals | 0 | - | 4.95 | 89,734 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,759 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,761 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,415 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,422 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,907 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,097 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,078 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,652 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,084 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,859 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,586 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,976 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,663 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,462 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,107 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,027 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,207 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,902 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,195 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,906 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,972 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,832 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,973 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,820 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,374 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,134 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,926 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,470 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,638 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,746 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,772 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,839 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,749 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,582 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,622 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,758 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,429 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,582 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,659 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,089 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,821 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,655 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,402 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,107 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,166 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,151 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,697 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,696 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,435 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,268 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,760 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,012 |
| Orthodox Countries | 0 | - | 4.91 | 130,362 |
| Battle to Country | 0 | - | 4.91 | 52,506 |
| Monarchies of Europe | 0 | - | 4.90 | 97,299 |
| Monarchies of Asia | 0 | - | 4.97 | 70,591 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,430 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,577 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,382 |
| Capitals of the Stans | 0 | - | 4.95 | 26,402 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,491 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,144 |
