| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,115 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,038 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,506 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,234 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,502 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,729 |
| Random European Capital to Country | 0 | - | 4.98 | 191,063 |
| Random European Country to Capital | 0 | - | 4.93 | 165,280 |
| Europe Capital to Country | 0 | - | 4.99 | 250,609 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,046 |
| European Capitals by Map | 0 | - | 4.99 | 139,622 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,193 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,536 |
| European Coastal Capitals | 0 | - | 4.95 | 90,714 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,284 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,308 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,311 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,041 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,266 |
| Official Cities in the UK | 0 | - | 4.89 | 284,188 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,127 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,421 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,239 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,352 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,724 |
| Countries with Megacities | 0 | - | 4.99 | 264,153 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,570 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,384 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,831 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,443 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,601 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,557 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,274 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,686 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,552 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,235 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,102 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,707 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,018 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,560 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,537 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,852 |
| Random African Capital to Country | 0 | - | 4.97 | 100,800 |
| Random African Country to Capital | 0 | - | 4.94 | 71,323 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,975 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,826 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,032 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,020 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,494 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,643 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,161 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,839 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,158 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,857 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,568 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,583 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,427 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,006 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,674 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,305 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,127 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,016 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,195 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,721 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,790 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,788 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,871 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,505 |
| Name a City - European Countries | 0 | - | 4.90 | 65,497 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,757 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,949 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,840 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,072 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,873 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,772 |
| Cities in European History #1 | 0 | - | 4.63 | 134,117 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,844 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,770 |
| 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 | 130,591 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,026 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,260 |
| 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 | 128,901 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,775 |
| Largest City by Island | 0 | - | 4.87 | 71,976 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,083 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,097 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,661 |
| Megacities on a World Map | 0 | - | 4.98 | 255,001 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,890 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,444 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,078 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,953 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,905 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,293 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,242 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,980 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,682 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,563 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,115 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,415 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,259 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,845 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,294 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,601 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,342 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,841 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,260 |
| Asia Capital to Country | 0 | - | 4.96 | 126,758 |
| African Capitals by Map | 0 | - | 4.99 | 134,042 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,551 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,633 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,434 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,879 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,438 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,082 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,245 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,930 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,536 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,556 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,666 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,350 |
| 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 | 159,411 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,268 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,061 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,484 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,410 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,199 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,165 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,568 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,112 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,847 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,557 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,465 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,455 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,594 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,001 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,243 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,574 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,923 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,366 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,254 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,478 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,890 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,878 |
| Capitals of the Stans | 0 | - | 4.95 | 26,880 |
| Boundary Waters | 0 | - | 4.92 | 88,519 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,216 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,193 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,594 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,536 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,498 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,519 |
| 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 Asia With a Map | 0 | - | 4.98 | 136,969 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,044 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,903 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,187 |
| UK Immigration by Country | 0 | - | 4.94 | 141,041 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,764 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,141 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,469 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,612 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,014 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,810 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,776 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,665 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,544 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,724 |
| 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 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,003 |
| 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 | 49,437 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,956 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,849 |
| Boroughs of London | 0 | - | 4.63 | 88,004 |
| London Geography | 0 | - | 4.47 | 59,703 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,530,295 |
| Landlocked Countries | 0 | - | 4.99 | 421,319 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,948 |
| 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 the U.S. - Extreme | 0 | - | 4.95 | 159,447 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,436 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,593 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,559 |
