| Countries of Europe by Population | 0 | - | 4.98 | 180,732 |
| Largest City by Island | 0 | - | 4.87 | 71,850 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,908 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,937 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,161 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,139 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,857 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,818 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,304 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,811 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,421 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,425 |
| Countries with Megacities | 0 | - | 4.99 | 263,217 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,260 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,223 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,554 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,255 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,450 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,272 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,845 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,618 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,209 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,125 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,887 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,709 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,763 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,877 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,384 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,527 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,070 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,909 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,498 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,980 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,302 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,768 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,788 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,493 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,553 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,862 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,471 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,022 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,444 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,613 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,281 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,509 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,197 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,107 |
| Name a City - European Countries | 0 | - | 4.90 | 65,361 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,544 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,748 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,684 |
| Australia Map Quiz | 0 | - | 4.95 | 344,589 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,599 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,541 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,601 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,853 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,249 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,597 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,425 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,869 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,133 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,300 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,885 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,506 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,373 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,965 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,932 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,478 |
| Megacities on a World Map | 0 | - | 4.98 | 254,467 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,044 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,333 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,905 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,614 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 122,433 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,798 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,330 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,968 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,261 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,187 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,733 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,244 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,532 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,231 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,651 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,079 |
| Europe Capital to Country | 0 | - | 4.99 | 250,053 |
| Asia Capital to Country | 0 | - | 4.96 | 126,648 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,850 |
| European Capitals by Map | 0 | - | 4.99 | 139,108 |
| African Capitals by Map | 0 | - | 4.99 | 133,759 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,373 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,055 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,405 |
| European Coastal Capitals | 0 | - | 4.95 | 90,579 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,580 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,973 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,821 |
| African Island Countries | 0 | - | 4.96 | 101,613 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,942 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,107 |
| Islands by Country #1 | 0 | - | 4.88 | 175,271 |
| Australian States and Territories | 0 | - | 4.96 | 141,948 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,279 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,882 |
| Most Populous Islands | 0 | - | 4.80 | 122,918 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,300 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,531 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,811 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,256 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,214 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,924 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,403 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,197 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,939 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,052 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,530 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,388 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,951 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,734 |
| Official Cities in the UK | 0 | - | 4.89 | 283,674 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,481 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,324 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,737 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,463 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,026 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,250 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,821 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,166 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,351 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,277 |
| Richest Island Countries | 0 | - | 4.84 | 100,520 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,392 |
| Flags of Oceania | 0 | - | 5.00 | 259,061 |
| Capitals of the Stans | 0 | - | 4.95 | 26,838 |
| Boundary Waters | 0 | - | 4.92 | 88,457 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,159 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,069 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,426 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,456 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,400 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,424 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,899 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,520 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,315 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,758 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,301 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,365 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,136 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,603 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,810 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,776 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,087 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,353 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,144 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,571 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,095 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,940 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,668 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,559 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,083 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,975 |
| Biggest City by Region | 0 | - | 4.50 | 36,213 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,135 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,183 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,349 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,245 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,410 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,445,331 |
| Landlocked Countries | 0 | - | 4.99 | 420,304 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,706 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,450 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,520 |
| Palau Country Quiz | 0 | - | 4.90 | 23,015 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,502 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,130 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,279 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,268 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,262 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,383 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 80,429 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,770 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,802 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,213 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,463 |
| World Capitals Quiz | 0 | - | 5.00 | 5,072,616 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,453 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,515 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,649 |
| Random European Capital to Country | 0 | - | 4.98 | 190,888 |
| Random European Country to Capital | 0 | - | 4.93 | 165,103 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,446 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,745 |
| Random African Capital to Country | 0 | - | 4.97 | 100,702 |
| Random African Country to Capital | 0 | - | 4.94 | 71,196 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,470 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,830 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,587 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,818 |
| Population Trivia | 0 | - | 4.32 | 27,494 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,568 |
