| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,508 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,177 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,118 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,047 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,236 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,504 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,774 |
| Random African Capital to Country | 0 | - | 4.97 | 100,802 |
| Random African Country to Capital | 0 | - | 4.94 | 71,326 |
| African Capitals by Map | 0 | - | 4.99 | 134,044 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,309 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,313 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,054 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,114 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,576 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,728 |
| Countries with Megacities | 0 | - | 4.99 | 264,156 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,573 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,384 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,833 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,443 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,113 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,713 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,032 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,731 |
| Random European Capital to Country | 0 | - | 4.98 | 191,065 |
| Random European Country to Capital | 0 | - | 4.93 | 165,282 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,538 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,855 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,978 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,829 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,034 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,023 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,496 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,645 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,161 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,158 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,861 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,573 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,585 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,431 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,006 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,678 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,308 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,131 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,020 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,196 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,724 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,793 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,799 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,902 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,505 |
| Name a City - European Countries | 0 | - | 4.90 | 65,500 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,975 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,840 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,074 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,892 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,772 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,890 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,278 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,665 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,598 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,033 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,261 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,429 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,941 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,903 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,775 |
| Largest City by Island | 0 | - | 4.87 | 71,980 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,086 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,099 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,661 |
| Megacities on a World Map | 0 | - | 4.98 | 255,007 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,900 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,445 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,079 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,957 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,905 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,684 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,563 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,117 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,415 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,260 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,846 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,294 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,602 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,343 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,841 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,262 |
| Europe Capital to Country | 0 | - | 4.99 | 250,613 |
| Asia Capital to Country | 0 | - | 4.96 | 126,761 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,049 |
| European Capitals by Map | 0 | - | 4.99 | 139,630 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,551 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,196 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,538 |
| European Coastal Capitals | 0 | - | 4.95 | 90,714 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,633 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,448 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,287 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,879 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,084 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,248 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,930 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,667 |
| Most Populous Islands | 0 | - | 4.80 | 122,984 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,315 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,551 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,855 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,858 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,412 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,269 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,062 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,485 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,411 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,203 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,166 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,273 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,569 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,848 |
| Official Cities in the UK | 0 | - | 4.89 | 284,189 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,594 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,013 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,253 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,130 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,422 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,924 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,240 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,481 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,353 |
| Capitals of the Stans | 0 | - | 4.95 | 26,880 |
| Boundary Waters | 0 | - | 4.92 | 88,520 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,217 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,194 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,598 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,536 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,501 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,521 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,961 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,585 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,608 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,972 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,560 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,652 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,277 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,701 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,047 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,904 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,188 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,555 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,236 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,765 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,696 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,480 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,709 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,776 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,667 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,544 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,022 |
| Biggest City by Region | 0 | - | 4.50 | 36,256 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,173 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,213 |
| 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 | 49,438 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,531,282 |
| Landlocked Countries | 0 | - | 4.99 | 421,332 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,990 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,552 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,174 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,844 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,448 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,438 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,597 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,564 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,950 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,277 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,393 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,429 |
| World Capitals Quiz | 0 | - | 5.00 | 5,079,471 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,619 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,560 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,433 |
| Every African Country Shape | 0 | - | 4.90 | 87,496 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,889 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,355 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,835 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,892 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,671 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,954 |
| Population Trivia | 0 | - | 4.32 | 27,505 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 163,039 |
| Biggest Cities in History | 0 | - | 4.52 | 90,240 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 77,794 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,254 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,349 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,452 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,876 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,505 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,443 |
