| Countries of Europe by Population | 0 | - | 4.98 | 178,251 |
| Largest City by Island | 0 | - | 4.87 | 71,093 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,075 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,715 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,113 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,557 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,075 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,095 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,934 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,039 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,853 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,514 |
| Countries with Megacities | 0 | - | 4.99 | 247,358 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,338 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,128 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,763 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,045 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,808 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,832 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,729 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,935 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,797 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,853 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,164 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,943 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,134 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,975 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,536 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,719 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,360 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,711 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,761 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,102 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,950 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,208 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,556 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,569 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,852 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,658 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,092 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,212 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,791 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,749 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,608 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,417 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,977 |
| Name a City - European Countries | 0 | - | 4.92 | 64,501 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,701 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,386 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,863 |
| Australia Map Quiz | 0 | - | 4.94 | 342,625 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,486 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,638 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,332 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,674 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,104 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,183 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,423 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,024 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,470 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,657 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,343 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,604 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,915 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,420 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,610 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,124 |
| Megacities on a World Map | 0 | - | 4.98 | 251,145 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,563 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,832 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,918 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,884 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,178 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,224 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,556 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,375 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,338 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,678 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,619 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,870 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,288 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,415 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,944 |
| Europe Capital to Country | 0 | - | 4.99 | 248,083 |
| Asia Capital to Country | 0 | - | 4.96 | 125,815 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,582 |
| European Capitals by Map | 0 | - | 4.99 | 136,522 |
| African Capitals by Map | 0 | - | 4.99 | 132,260 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,278 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,286 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,697 |
| European Coastal Capitals | 0 | - | 4.95 | 89,841 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,217 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,013 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,449 |
| African Island Countries | 0 | - | 4.96 | 100,847 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,184 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,198 |
| Islands by Country #1 | 0 | - | 4.87 | 174,546 |
| Australian States and Territories | 0 | - | 4.96 | 140,976 |
| 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 | 122,024 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,211 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,411 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,631 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,471 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,878 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,185 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,975 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,100 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,482 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,592 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,278 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,575 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,334 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,653 |
| Official Cities in the UK | 0 | - | 4.89 | 280,781 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,851 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,532 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,061 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,709 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,470 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,196 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,227 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,753 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,540 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,813 |
| Richest Island Countries | 0 | - | 4.84 | 99,589 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,486 |
| Flags of Oceania | 0 | - | 5.00 | 255,510 |
| Capitals of the Stans | 0 | - | 4.95 | 26,448 |
| Boundary Waters | 0 | - | 4.92 | 88,068 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,835 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,349 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,375 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,876 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,787 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,993 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,561 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,138 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,608 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,666 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,875 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,897 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,286 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,122 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,471 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,826 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,441 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,031 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,707 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,246 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,545 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,243 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 112,221 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,961 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,918 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,727 |
| Biggest City by Region | 0 | - | 4.50 | 36,006 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,916 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,029 |
| 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 | 46,953,773 |
| Landlocked Countries | 0 | - | 4.99 | 413,991 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 554,130 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,304 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,366 |
| Palau Country Quiz | 0 | - | 4.89 | 22,852 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,159 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,807 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,369 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,340 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,508 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,380 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,778 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,857 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,573 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,575 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,389 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,280 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,540 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,223 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,131 |
| Random European Capital to Country | 0 | - | 4.98 | 189,330 |
| Random European Country to Capital | 0 | - | 4.92 | 147,547 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,442 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,505 |
| Random African Capital to Country | 0 | - | 4.97 | 99,770 |
| Random African Country to Capital | 0 | - | 4.94 | 70,279 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,379 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,159 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,196 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,051 |
| Population Trivia | 0 | - | 4.32 | 27,426 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,443 |
| Biggest Cities in History | 0 | - | 4.52 | 89,164 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,136 |
