| Countries of Europe by Population | 0 | - | 4.98 | 181,585 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,950 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,466 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,480 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,914 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,416 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,296 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,721 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,391 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,598 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,014 |
| Countries with Megacities | 0 | - | 4.99 | 264,850 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,848 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,532 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,106 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,611 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,865 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,130 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,414 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,503 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,611 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,100 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,978 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,292 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,216 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,604 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,779 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,255 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,365 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,177 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,082 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,838 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 143,965 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,243 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,839 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,949 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,404 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,226 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,337 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,874 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,962 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,237 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,725 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,587 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,893 |
| Name a City - European Countries | 0 | - | 4.90 | 65,661 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,060 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,042 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,990 |
| Australia Map Quiz | 0 | - | 4.95 | 345,269 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,002 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,549 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,910 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,913 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,310 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,721 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,778 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,195 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,362 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,521 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,005 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,114 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,055 |
| Largest City by Island | 0 | - | 4.87 | 72,102 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,196 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,257 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,819 |
| Megacities on a World Map | 0 | - | 4.98 | 255,469 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,662 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,535 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,226 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,324 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,008 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,762 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,281 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,542 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,320 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,942 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,355 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,656 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,433 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,013 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,436 |
| Europe Capital to Country | 0 | - | 4.99 | 250,975 |
| Asia Capital to Country | 0 | - | 4.96 | 126,897 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,257 |
| European Capitals by Map | 0 | - | 4.99 | 140,089 |
| African Capitals by Map | 0 | - | 4.99 | 134,222 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,699 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,328 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,670 |
| European Coastal Capitals | 0 | - | 4.95 | 90,858 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,690 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,664 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,937 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,234 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,398 |
| Australian States and Territories | 0 | - | 4.96 | 142,287 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,373 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,976 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,103 |
| Most Populous Islands | 0 | - | 4.80 | 123,076 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,328 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,576 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,883 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,880 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,565 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,329 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,186 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,545 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,596 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,428 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,235 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,928 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,767 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,219 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,938 |
| Official Cities in the UK | 0 | - | 4.89 | 284,662 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,708 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,792 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,681 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,756 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,230 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,561 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,056 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,317 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,569 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,435 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,779 |
| Flags of Oceania | 0 | - | 5.00 | 260,711 |
| Regions of New Zealand | 0 | - | 4.84 | 28,603 |
| Capitals of the Stans | 0 | - | 4.95 | 26,934 |
| Boundary Waters | 0 | - | 4.92 | 88,598 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,269 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,317 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,791 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,656 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,615 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,612 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,025 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,656 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,909 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,147 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,766 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,878 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,436 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,499 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,265 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,081 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,287 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,832 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,311 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,695 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,300 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,166 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,869 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,778 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,576 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,056 |
| Biggest City by Region | 0 | - | 4.50 | 36,294 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,203 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,233 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,386 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,370 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,468 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,616,193 |
| Landlocked Countries | 0 | - | 4.99 | 422,403 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 578,198 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,485 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,873 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,557 |
| Palau Country Quiz | 0 | - | 4.90 | 23,060 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,605 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,212 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,389 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,589 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,596 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,781 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,263 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,085 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,526 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,528 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,361 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,785 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,817 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,615 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,818 |
| Random European Capital to Country | 0 | - | 4.98 | 191,514 |
| Random European Country to Capital | 0 | - | 4.93 | 165,435 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,637 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,028 |
| Random African Capital to Country | 0 | - | 4.97 | 100,933 |
| Random African Country to Capital | 0 | - | 4.94 | 71,399 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,827 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,045 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,725 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,062 |
| Population Trivia | 0 | - | 4.32 | 27,524 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,012 |
| Biggest Cities in History | 0 | - | 4.52 | 90,325 |
