| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,546 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,394 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,912 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,474 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,633 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,861 |
| Random European Capital to Country | 0 | - | 4.98 | 191,616 |
| Random European Country to Capital | 0 | - | 4.93 | 165,499 |
| Europe Capital to Country | 0 | - | 4.99 | 251,152 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,386 |
| European Capitals by Map | 0 | - | 4.99 | 140,568 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,419 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,769 |
| European Coastal Capitals | 0 | - | 4.95 | 90,930 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,863 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,530 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,545 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,381 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,203 |
| Official Cities in the UK | 0 | - | 4.89 | 284,907 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,277 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,640 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,367 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,477 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,151 |
| Countries with Megacities | 0 | - | 4.99 | 265,190 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,974 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,615 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,236 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,687 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,010 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,875 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,521 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,753 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,966 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,351 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,612 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,324 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,131 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,655 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,777 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,102 |
| Random African Capital to Country | 0 | - | 4.97 | 100,996 |
| Random African Country to Capital | 0 | - | 4.94 | 71,477 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,145 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,027 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,398 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,283 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,644 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,840 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,296 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,622 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,472 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,320 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,289 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,939 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 146,713 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,342 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,909 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,212 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,509 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,293 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,393 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,918 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,031 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,440 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,234 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,028 |
| Name a City - European Countries | 0 | - | 4.90 | 65,776 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,682 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,574 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,058 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,707 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,082 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,280 |
| Cities in European History #1 | 0 | - | 4.63 | 134,293 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,053 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,979 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,925 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,316 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,745 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,850 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,257 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,420 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,566 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,025 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,197 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,151 |
| Largest City by Island | 0 | - | 4.87 | 72,140 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,239 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,328 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,863 |
| Megacities on a World Map | 0 | - | 4.98 | 255,682 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,019 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,571 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,292 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,439 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,040 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,724 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,318 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,359 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,876 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,845 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,386 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,581 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,342 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,986 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,373 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,679 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,486 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,077 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,553 |
| Asia Capital to Country | 0 | - | 4.96 | 126,972 |
| African Capitals by Map | 0 | - | 4.99 | 138,307 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,062 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,776 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,205 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,973 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,800 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,295 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,477 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,991 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,624 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,212 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,793 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,521 |
| Most Populous Islands | 0 | - | 4.80 | 123,107 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,334 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,587 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,898 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,890 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,606 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,341 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,219 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,580 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,657 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,510 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,261 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,844 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,262 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,977 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,600 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,511 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,634 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,755 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,136 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,899 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,804 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,103 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,413 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,338 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,640 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,356 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,478 |
| Capitals of the Stans | 0 | - | 4.95 | 26,975 |
| Boundary Waters | 0 | - | 4.92 | 88,621 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,292 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,368 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,875 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,702 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,673 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,647 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,133 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,788 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,227 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,334 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,134 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,335 |
| UK Immigration by Country | 0 | - | 4.94 | 141,249 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,970 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,386 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,167 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,970 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,347 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,162 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,909 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,823 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,587 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,839 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,067 |
| Biggest City by Region | 0 | - | 4.50 | 36,303 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,220 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,037 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,243 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,390 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,406 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,481 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,996 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,868 |
| Boroughs of London | 0 | - | 4.63 | 88,205 |
| London Geography | 0 | - | 4.47 | 59,770 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,651,600 |
| Landlocked Countries | 0 | - | 4.99 | 422,855 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,828 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,632 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,224 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,666 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,652 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,840 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,453 |
