| Countries of Europe by Population | 0 | - | 4.98 | 177,753 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,739 |
| Official Cities in the UK | 0 | - | 4.89 | 280,219 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,569 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,097 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,691 |
| Germany Country Quiz | 0 | - | 4.82 | 156,415 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,066 |
| Name a City - European Countries | 0 | - | 4.92 | 64,280 |
| Counties of England | 0 | - | 4.97 | 788,446 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,668 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,108 |
| Europe Capital to Country | 0 | - | 4.99 | 247,322 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,315 |
| European Capitals by Map | 0 | - | 4.99 | 135,988 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,083 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,534 |
| European Coastal Capitals | 0 | - | 4.95 | 89,665 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,565 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,490 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,830 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,702 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,910 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,769 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,852 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,344 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,651 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,709 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,015 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,962 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,939 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,851 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,153 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,745 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,946 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,707 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,614 |
| UK Immigration by Country | 0 | - | 4.94 | 139,503 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,684 |
| Italy Country Quiz | 0 | - | 4.82 | 122,092 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 137,992 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,530 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,265 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,075 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,878 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 150,992 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,125 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,738 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,213 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,894 |
| Countries with Megacities | 0 | - | 4.99 | 246,267 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,814 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,750 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,705 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,273 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,688 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,532 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,402 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,309 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,575 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,153 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,071 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,360 |
| Malta Country Quiz | 0 | - | 4.81 | 30,795 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,418 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,344 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,042 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,738 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,733 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,771 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,410 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,501 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,272 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,082 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,168 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,509 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,457 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,581 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,712 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,677 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,353 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,416 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,291 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,435 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,960 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,070 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,651 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,588 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,329 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,845 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,284 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,525 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,771 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,506 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,954 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,752 |
| Which City in Europe? | 0 | - | 4.83 | 106,559 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,762 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,363 |
| The Only European Country ... | 0 | - | 4.91 | 213,535 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,346 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,269 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,095 |
| Cities in European History #1 | 0 | - | 4.63 | 132,981 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,176 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,546 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,124 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,697 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,568 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,468 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,079 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,632 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,070 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,182 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,774 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,305 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,481 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,232 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,242 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,715 |
| Largest City by Island | 0 | - | 4.87 | 70,958 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,266 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,419 |
| Biggest European Cities by Century | 0 | - | 4.98 | 137,460 |
| Megacities on a World Map | 0 | - | 4.98 | 250,465 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,706 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,728 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,768 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,516 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,552 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 120,014 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,071 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,030 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,328 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,178 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,191 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,525 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,494 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,731 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,118 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,254 |
| Random European City to Country | 0 | - | 4.69 | 116,229 |
| Asia Capital to Country | 0 | - | 4.96 | 125,639 |
| African Capitals by Map | 0 | - | 4.99 | 132,063 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,984 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,149 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,442 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,385 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,276 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,710 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,074 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,167 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,278 |
| Slavic Countries | 0 | - | 4.96 | 110,779 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,196 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,015 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,980 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,597 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,207 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,408 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,079 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,279 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,070 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,812 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,115 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,512 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,673 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,357 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,227 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,487 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,878 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,565 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,558 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,028 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,086 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,373 |
| Berlin City Trivia | 0 | - | 4.67 | 13,065 |
| Amsterdam Trivia | 0 | - | 4.46 | 15,750 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,109 |
| Monarchies of Europe | 0 | - | 4.90 | 97,225 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,970 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,236 |
| European Countries with One Border | 0 | - | 4.97 | 181,481 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,993 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,682 |
| Regions of Italy | 0 | - | 4.92 | 74,607 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,155 |
| States of Germany | 0 | - | 4.96 | 149,816 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,064 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,743 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,921 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,680 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,795 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,311 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,261 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,003 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,348 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,923 |
| Smaller U.K. Towns That You May Know | 0 | - | 4.20 | 9,082 |
