| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,445 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,311 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,753 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,405 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,607 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,828 |
| Random European Capital to Country | 0 | - | 4.98 | 191,543 |
| Random European Country to Capital | 0 | - | 4.93 | 165,466 |
| Europe Capital to Country | 0 | - | 4.99 | 251,037 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,286 |
| European Capitals by Map | 0 | - | 4.99 | 140,162 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,349 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,689 |
| European Coastal Capitals | 0 | - | 4.95 | 90,877 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,723 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,487 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,502 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,072 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,015 |
| Official Cities in the UK | 0 | - | 4.89 | 284,729 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,249 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,586 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,326 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,446 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,057 |
| Countries with Megacities | 0 | - | 4.99 | 264,946 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,882 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,566 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,149 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,638 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,938 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,803 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,462 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,581 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,892 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,318 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,076 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,190 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,688 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,625 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,726 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,047 |
| Random African Capital to Country | 0 | - | 4.97 | 100,967 |
| Random African Country to Capital | 0 | - | 4.94 | 71,435 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,114 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,997 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,327 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,241 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,612 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,793 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,270 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,465 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,403 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,222 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,143 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,870 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 144,925 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,272 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,867 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,024 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,445 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,241 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,354 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,887 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,983 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,334 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,781 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,935 |
| Name a City - European Countries | 0 | - | 4.90 | 65,716 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,239 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,187 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,017 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,603 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,034 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,161 |
| Cities in European History #1 | 0 | - | 4.63 | 134,253 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,006 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,928 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,916 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,313 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,725 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,790 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,214 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,378 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,540 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,014 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,133 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,085 |
| Largest City by Island | 0 | - | 4.87 | 72,110 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,212 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,271 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,831 |
| Megacities on a World Map | 0 | - | 4.98 | 255,528 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,763 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,544 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,250 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,353 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,016 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,646 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,306 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,294 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,830 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,783 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,304 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,556 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,327 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,954 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,359 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,665 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,448 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,029 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,475 |
| Asia Capital to Country | 0 | - | 4.96 | 126,918 |
| African Capitals by Map | 0 | - | 4.99 | 134,279 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,710 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,697 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,050 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,943 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,724 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,262 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,424 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,982 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,605 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,076 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,770 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,481 |
| Most Populous Islands | 0 | - | 4.80 | 123,088 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,330 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,581 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,887 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,883 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,575 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,334 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,198 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,554 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,614 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,451 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,244 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,796 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,233 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,950 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,587 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,506 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,602 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,722 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,932 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,762 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,768 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,063 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,403 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,325 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,581 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,305 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,347 |
| Capitals of the Stans | 0 | - | 4.95 | 26,945 |
| Boundary Waters | 0 | - | 4.92 | 88,604 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,274 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,331 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,813 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,666 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,625 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,622 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,039 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,667 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,169 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,286 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,092 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,306 |
| UK Immigration by Country | 0 | - | 4.94 | 141,213 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,934 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,313 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,013 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,892 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,286 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,074 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,880 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,786 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,580 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,812 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,059 |
| Biggest City by Region | 0 | - | 4.50 | 36,297 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,211 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,033 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,237 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,387 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,375 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,474 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,981 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,866 |
| Boroughs of London | 0 | - | 4.63 | 88,166 |
| London Geography | 0 | - | 4.47 | 59,759 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,627,025 |
| Landlocked Countries | 0 | - | 4.99 | 422,542 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 578,696 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,616 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,218 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,609 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,604 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,799 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,327 |
