| Countries of Europe by Population | 0 | - | 4.98 | 173,830 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 227,929 |
| Name a City - European Countries | 0 | - | 4.92 | 62,802 |
| Largest City by Island | 0 | - | 4.90 | 69,655 |
| Most-Visited Cities in Europe | 0 | - | 4.86 | 71,390 |
| Europe Capital to Country | 0 | - | 4.99 | 243,774 |
| EU Capitals with No Hints | 0 | - | 4.96 | 141,746 |
| European Capitals by Map | 0 | - | 4.99 | 131,989 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 89,550 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 82,183 |
| European Coastal Capitals | 0 | - | 4.95 | 88,308 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.89 | 217,660 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 162,913 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 121,260 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 179,424 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 189,372 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 101,766 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 106,708 |
| Official Cities in the UK | 0 | - | 4.89 | 274,991 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 92,258 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 80,914 |
| European Capitals Ending in N | 0 | - | 4.92 | 79,870 |
| Europe Map Quiz | 0 | - | 5.00 | 4,679,130 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,741 |
| Countries with Megacities | 0 | - | 4.99 | 235,110 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 193,899 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 110,138 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,630 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,783 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 314,434 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 67,169 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 140,343 |
| Name a Valid European Capital | 0 | - | 4.95 | 148,341 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 79,832 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,415,728 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 372,490 |
| Biggest Cities in the World | 0 | - | 4.91 | 775,828 |
| Most Guessed European Capitals | 0 | - | 4.89 | 100,595 |
| European Capitals by Airport Code | 0 | - | 4.91 | 34,033 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 125,875 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 84,484 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 262,734 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 119,389 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 110,124 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 91,118 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 57,213 |
| Biggest City by Time Zone | 0 | - | 4.87 | 64,480 |
| Biggest City in Every Country | 0 | - | 4.98 | 95,145 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 196,846 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 106,408 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 116,449 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 76,267 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 81,781 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 407,991 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 76,202 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,706 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 67,646 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 53,870 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 65,001 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 125,233 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 37,844 |
| Biggest Cities in the United States | 0 | - | 4.93 | 947,751 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 359,744 |
| Africa Capitals Quiz | 0 | - | 4.99 | 718,219 |
| Asia Capitals Quiz | 0 | - | 4.97 | 674,366 |
| Countries That Use the Euro | 0 | - | 4.96 | 99,505 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 110,673 |
| The Only European Country ... | 0 | - | 4.91 | 207,984 |
| European Countries NOT in NATO | 0 | - | 4.89 | 56,829 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 359,134 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 187,769 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 166,207 |
| Cities in European History #1 | 0 | - | 4.56 | 122,771 |
| European Cities by Map #2 | 0 | - | 4.48 | 46,948 |
| European Cities by Map #1 | 0 | - | 4.68 | 55,225 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 52,176 |
| Random European Capitals on a Map | 0 | - | 4.97 | 132,185 |
| Which City in Europe? | 0 | - | 4.83 | 105,678 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,196,048 |
| Most Populous Countries by Year | 0 | - | 4.83 | 107,293 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,272 |
| Demographics Multiple Choice | 0 | - | 4.70 | 41,823 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 94,281 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 126,134 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 104,855 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 110,609 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 87,926 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 91,527 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.89 | 117,070 |
| Biggest Cities by Language | 0 | - | 4.95 | 228,050 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 69,272 |
| Most Populous World Capitals | 0 | - | 4.94 | 172,874 |
| Biggest European Cities by Century | 0 | - | 4.98 | 127,294 |
| Megacities on a World Map | 0 | - | 4.98 | 238,369 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 564,940 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,813 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 72,255 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 107,473 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 117,128 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 32,952 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 164,774 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 219,237 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 132,996 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 74,441 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 82,671 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 65,856 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,074 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 95,062 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 107,062 |
| Asia Capital to Country | 0 | - | 4.96 | 124,301 |
| African Capitals by Map | 0 | - | 4.99 | 129,677 |
| Asian Capitals by Map | 0 | - | 4.98 | 59,334 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 51,494 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 261,398 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 80,739 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,304,687 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 212,740 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 86,595 |
| Slavic Countries | 0 | - | 4.96 | 109,597 |
| African Island Countries | 0 | - | 4.96 | 99,244 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 65,022 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 162,610 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 167,336 |
| Islands by Country #1 | 0 | - | 4.87 | 173,171 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 189,718 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 148,492 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 85,453 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 125,504 |
| Counties of England | 0 | - | 4.97 | 777,818 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 92,669 |
| Random European City to Country | 0 | - | 4.69 | 114,974 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 92,487 |
| Most Populous Islands | 0 | - | 4.78 | 120,970 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,026 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,158 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,253 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 156,947 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.64 | 63,265 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 71,891 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 21,877 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 165,078 |
| Biggest Cities in Asia | 0 | - | 4.94 | 106,983 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,710 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 335,757 |
| Megacities on an Empty Map | 0 | - | 4.96 | 95,524 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 49,003 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 171,111 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,011 |
| European Cities with the Biggest Economies | 0 | - | 4.59 | 37,807 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 46,495 |
| German Cities with the Most Tourists | 0 | - | 4.63 | 32,331 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.92 | 24,585 |
| South America Capitals Quiz | 0 | - | 5.00 | 470,844 |
| North America Capitals Quiz | 0 | - | 4.99 | 212,464 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 60,302 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 116,296 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 85,809 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 49,833 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 92,910 |
| Asian Capitals - Map Quiz | 0 | - | 4.94 | 59,336 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 122,677 |
| Richest Island Countries | 0 | - | 4.84 | 98,130 |
| Monarchies of Europe | 0 | - | 4.89 | 95,975 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 93,873 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 134,341 |
| European Countries with One Border | 0 | - | 4.97 | 179,400 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 176,120 |
| Regions of France Map Quiz | 0 | - | 4.96 | 140,894 |
| States of Germany Map Quiz | 0 | - | 4.91 | 130,015 |
| Counties of England Map Quiz | 0 | - | 4.97 | 303,673 |
| UK Cities Map Quiz | 0 | - | 4.95 | 458,534 |
| Three Band Flags of Europe | 0 | - | 4.97 | 189,124 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 91,756 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,318 |
| Pixelated Europe Map | 0 | - | 4.88 | 120,239 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 146,796 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 73,715 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 61,414 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 68,578 |
| Capitals of the Stans | 0 | - | 4.95 | 25,780 |
| Boundary Waters | 0 | - | 4.92 | 87,372 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 34,324 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 94,050 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 59,477 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 58,886 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 68,598 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,164 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 67,821 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 72,277 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 218,064 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 132,690 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 111,492 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 97,339 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,294 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 89,620 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 78,949 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 87,117 |
| UK Immigration by Country | 0 | - | 4.94 | 137,946 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 113,134 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 194,987 |
