| Countries of Europe by Population | 0 | - | 4.98 | 129,689 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 44,842 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 223,534 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,076 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,459 |
| Cities Founded by the French in North America | 0 | - | 4.52 | 38,743 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,174 |
| Biggest Cities in Germany | 0 | - | 4.95 | 266,269 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 90,013 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,943 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,179 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,858 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,395 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,093 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,659 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 54,023 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 67,364 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,713 |
| Europe Capital to Country | 0 | - | 4.99 | 222,096 |
| EU Capitals with No Hints | 0 | - | 4.96 | 126,192 |
| European Capitals by Map | 0 | - | 4.99 | 96,350 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 79,906 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,280 |
| European Coastal Capitals | 0 | - | 4.95 | 78,030 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 195,955 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.92 | 50,972 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,137 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,416 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,888 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,253 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,925 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,969 |
| Official Cities in the UK | 0 | - | 4.86 | 234,963 |
| Important Cities in European History | 0 | - | 4.55 | 110,296 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,990 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 106,575 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 67,401 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,510 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,032 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,677 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,185 |
| Biggest Cities in France | 0 | - | 4.76 | 201,703 |
| British Cities with the Most Tourists | 0 | - | 4.81 | 56,483 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 96,094 |
| Name a Valid European Capital | 0 | - | 4.94 | 126,599 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 62,112 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 94,704 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.57 | 46,609 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,780 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 110,814 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,838 |
| Random European Capital to Country | 0 | - | 4.97 | 154,171 |
| Random European Country to Capital | 0 | - | 4.92 | 136,113 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 63,605 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,322,086 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,031 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 174,206 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 151,157 |
| Biggest Cities in the World | 0 | - | 4.90 | 696,479 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,316 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 63,406 |
| Random European Capitals on a Map | 0 | - | 4.98 | 108,214 |
| Boroughs of London | 0 | - | 4.59 | 78,201 |
| London Geography | 0 | - | 4.48 | 56,290 |
| Biggest French Empire Countries | 0 | - | 4.46 | 51,631 |
| Countries that Bordered the USSR | 0 | - | 4.94 | 154,036 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,888 |
| Countries with Megacities | 0 | - | 4.99 | 200,207 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,738 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,163 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,258 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,144 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,040 |
| Biggest Cities in Europe | 0 | - | 4.75 | 470,713 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,730 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,759 |
| Biggest Cities in the United States | 0 | - | 4.93 | 843,229 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,326 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,840 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,163 |
| Cities of Ireland | 0 | - | 4.43 | 40,094 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,634 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,916 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 78,140 |
| Biggest Cities in Italy | 0 | - | 4.66 | 219,767 |
| Africa Capitals Quiz | 0 | - | 4.99 | 643,015 |
| Asia Capitals Quiz | 0 | - | 4.98 | 601,691 |
| World Capitals Closest to Madrid | 0 | - | 4.49 | 41,506 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.52 | 45,573 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,176 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,657 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,938 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,086 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,971 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,951 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,590 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,034 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,356 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,316 |
| Biggest Cities in History | 0 | - | 4.50 | 81,373 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,323 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 172,529 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,362 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,478 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,099 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,695 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 519,565 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,312 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,784 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,415 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,756 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,129 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,414 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,910 |
| Name a City - European Countries | 0 | - | 4.95 | 52,960 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 75,558 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 100,357 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 82,636 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 149,204 |
| Most Populous Countries in 1950 | 0 | - | 4.50 | 71,199 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,214 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,183 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,104 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,696 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 82,678 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,433 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,067 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,717 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,584 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,823 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,756 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,199 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,103 |
| Megacities on a World Map | 0 | - | 4.98 | 222,747 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,475 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,176 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 69,295 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,325 |
| Largest Nordic Cities on a Map | 0 | - | 4.79 | 23,823 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,326 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,736 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,563 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,007 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,484 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,772 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 94,740 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 57,933 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,348 |
| Asia Capital to Country | 0 | - | 4.96 | 106,603 |
| African Capitals by Map | 0 | - | 4.99 | 112,647 |
| South America Capitals Quiz | 0 | - | 5.00 | 430,646 |
| North America Capitals Quiz | 0 | - | 4.99 | 188,647 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,079 |
| Asian Capitals by Map | 0 | - | 4.98 | 48,333 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,686 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,164 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 231,949 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,498 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,122 |
| Countries of the Soviet Union | 0 | - | 4.98 | 185,704 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 33,614 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 112,829 |
| Countries of Europe After World War II | 0 | - | 4.98 | 172,400 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 140,921 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 144,955 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 147,306 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 70,535 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 74,999 |
| Counties of England Map Quiz | 0 | - | 4.97 | 288,827 |
| UK Cities Map Quiz | 0 | - | 4.94 | 436,471 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 67,424 |
| Most Populous Islands of Europe | 0 | - | 4.53 | 24,310 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,174 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,032 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.90 | 7,313 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,894 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,181 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,197 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,333 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,843 |
| UK Cities and Towns by Map | 0 | - | 4.56 | 44,086 |
| European Cities with the Biggest Economies | 0 | - | 4.58 | 35,605 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.60 | 38,528 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 74,136 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 63,827 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,157 |
| European Capitals with the Least Sunshine | 0 | - | 4.48 | 47,867 |
| Word Scramble - European Capitals | 0 | - | 4.79 | 87,869 |
| UK Immigration by Country | 0 | - | 4.94 | 126,437 |
| Biggest British Empire Countries | 0 | - | 4.70 | 80,156 |
| Most Forested European Countries | 0 | - | 4.82 | 68,906 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 180,784 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 67,147 |
| Countries Bordering France | 0 | - | 4.87 | 360,077 |
| Countries Bordering Germany | 0 | - | 4.99 | 343,056 |
| Most-Visited Countries by the British | 0 | - | 4.65 | 61,564 |
| Scotland Trivia | 0 | - | 4.57 | 55,193 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 120,505 |
| France Cities Map Quiz | 0 | - | 4.96 | 149,622 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 101,544 |
