| Countries of Europe by Population | 0 | - | 4.98 | 178,262 |
| Largest City by Island | 0 | - | 4.87 | 71,095 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,096 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,719 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,126 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,612 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,085 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,106 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,941 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,040 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,855 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,527 |
| Countries with Megacities | 0 | - | 4.99 | 247,383 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,348 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,136 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,775 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,052 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,876 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,852 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,729 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,975 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,827 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,856 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,169 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,946 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,154 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,980 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,541 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,730 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,364 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,717 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,771 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,116 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,958 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,222 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,558 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,572 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,868 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,663 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,098 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,216 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,792 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,752 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,611 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,498 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,988 |
| Name a City - European Countries | 0 | - | 4.92 | 64,504 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,750 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,429 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,878 |
| Australia Map Quiz | 0 | - | 4.94 | 342,647 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,494 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,663 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,338 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,676 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,104 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,188 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,427 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,030 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,474 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,663 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,343 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,614 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,923 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,424 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,615 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,139 |
| Megacities on a World Map | 0 | - | 4.98 | 251,161 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,580 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,840 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,920 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,889 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,179 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,231 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,561 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,380 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,342 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,680 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,624 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,876 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,293 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,419 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,951 |
| Europe Capital to Country | 0 | - | 4.99 | 248,098 |
| Asia Capital to Country | 0 | - | 4.96 | 125,824 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,589 |
| European Capitals by Map | 0 | - | 4.99 | 136,541 |
| African Capitals by Map | 0 | - | 4.99 | 132,270 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,292 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,291 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,703 |
| European Coastal Capitals | 0 | - | 4.95 | 89,842 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,218 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,021 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,449 |
| African Island Countries | 0 | - | 4.96 | 100,851 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,187 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,200 |
| Islands by Country #1 | 0 | - | 4.87 | 174,548 |
| Australian States and Territories | 0 | - | 4.96 | 140,979 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,034 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,625 |
| Most Populous Islands | 0 | - | 4.79 | 122,028 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,212 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,414 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,631 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,481 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,879 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,186 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,977 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,105 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,492 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,594 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,290 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,579 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,338 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,660 |
| Official Cities in the UK | 0 | - | 4.89 | 280,793 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,853 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,563 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,110 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,710 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,474 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,201 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,231 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,754 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,551 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,814 |
| Richest Island Countries | 0 | - | 4.84 | 99,595 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,490 |
| Flags of Oceania | 0 | - | 5.00 | 255,543 |
| Capitals of the Stans | 0 | - | 4.95 | 26,450 |
| Boundary Waters | 0 | - | 4.92 | 88,070 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,838 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,354 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,382 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,883 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,790 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,994 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,562 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,139 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,616 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,672 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,879 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,904 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,292 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,134 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,479 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,832 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,446 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,045 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,709 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,247 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,545 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,245 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 112,427 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,965 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,920 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,730 |
| Biggest City by Region | 0 | - | 4.50 | 36,008 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,917 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,031 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,231 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,937 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,266 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,956,591 |
| Landlocked Countries | 0 | - | 4.99 | 414,040 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 554,212 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,307 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,371 |
| Palau Country Quiz | 0 | - | 4.89 | 22,852 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,162 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,810 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,385 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,344 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,512 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,382 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,782 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,862 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,581 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,578 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,450 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,463 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,547 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,227 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,135 |
| Random European Capital to Country | 0 | - | 4.98 | 189,334 |
| Random European Country to Capital | 0 | - | 4.92 | 147,552 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,444 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,512 |
| Random African Capital to Country | 0 | - | 4.97 | 99,772 |
| Random African Country to Capital | 0 | - | 4.94 | 70,285 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,664 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,162 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,198 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,053 |
| Population Trivia | 0 | - | 4.32 | 27,426 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,446 |
| Biggest Cities in History | 0 | - | 4.52 | 89,165 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,136 |
