| Countries of Europe by Population | 0 | - | 4.98 | 181,161 |
| Largest City by Island | 0 | - | 4.87 | 71,975 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,407 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,306 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,307 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,011 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,110 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,033 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,502 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,227 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,501 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,719 |
| Countries with Megacities | 0 | - | 4.99 | 264,136 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,564 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,383 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,825 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,438 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,057 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,699 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,858 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,983 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,189 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,415 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,971 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,824 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,026 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,018 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,492 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,641 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,159 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,156 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,854 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,558 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,581 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,409 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,004 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,671 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,292 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,124 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,011 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,194 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,712 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,785 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,788 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,633 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,786 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,494 |
| Name a City - European Countries | 0 | - | 4.90 | 65,495 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,725 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,925 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,812 |
| Australia Map Quiz | 0 | - | 4.95 | 344,863 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,836 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,059 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,769 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,888 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,277 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,664 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,584 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,025 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,259 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,427 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,941 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,899 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,770 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,080 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,089 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,657 |
| Megacities on a World Map | 0 | - | 4.98 | 254,995 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,856 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,442 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,075 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,951 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 122,797 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,903 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,557 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,115 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,411 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,259 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,838 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,293 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,599 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,338 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,838 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,254 |
| Europe Capital to Country | 0 | - | 4.99 | 250,593 |
| Asia Capital to Country | 0 | - | 4.96 | 126,754 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,043 |
| European Capitals by Map | 0 | - | 4.99 | 139,614 |
| African Capitals by Map | 0 | - | 4.99 | 134,041 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,546 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,190 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,529 |
| European Coastal Capitals | 0 | - | 4.95 | 90,708 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,629 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,267 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,878 |
| African Island Countries | 0 | - | 4.96 | 101,746 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,078 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,241 |
| Islands by Country #1 | 0 | - | 4.88 | 175,395 |
| Australian States and Territories | 0 | - | 4.96 | 142,129 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,328 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,929 |
| Most Populous Islands | 0 | - | 4.80 | 122,981 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,313 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,550 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,855 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,407 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,265 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,059 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,480 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,407 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,191 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,163 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,255 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,564 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,108 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,844 |
| Official Cities in the UK | 0 | - | 4.89 | 284,187 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,592 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,983 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,228 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,126 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,417 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,922 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,238 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,474 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,350 |
| Richest Island Countries | 0 | - | 4.85 | 100,675 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,562 |
| Flags of Oceania | 0 | - | 5.00 | 259,929 |
| Capitals of the Stans | 0 | - | 4.95 | 26,877 |
| Boundary Waters | 0 | - | 4.92 | 88,515 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,215 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,189 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,591 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,534 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,498 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,516 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,961 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,584 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,593 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,966 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,554 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,641 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,269 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,670 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,040 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,900 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,185 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,550 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,232 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,627 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,196 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,036 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,774 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,662 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,540 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,021 |
| Biggest City by Region | 0 | - | 4.50 | 36,256 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,172 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,212 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,366 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,327 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,436 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,528,292 |
| Landlocked Countries | 0 | - | 4.99 | 421,291 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,841 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,464 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,838 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,536 |
| Palau Country Quiz | 0 | - | 4.90 | 23,039 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,551 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,172 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,829 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,444 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,434 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,590 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,543 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,943 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,270 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,387 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,373 |
| World Capitals Quiz | 0 | - | 5.00 | 5,079,217 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,612 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,559 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,729 |
| Random European Capital to Country | 0 | - | 4.98 | 191,061 |
| Random European Country to Capital | 0 | - | 4.93 | 165,274 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,533 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,850 |
| Random African Capital to Country | 0 | - | 4.97 | 100,797 |
| Random African Country to Capital | 0 | - | 4.94 | 71,322 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,563 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,940 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,297 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,669 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,944 |
