| Countries of Europe by Population | 0 | - | 4.98 | 177,768 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,748 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,757 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,616 |
| Name a City - European Countries | 0 | - | 4.92 | 64,284 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,157 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,077 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,271 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,673 |
| Europe Capital to Country | 0 | - | 4.99 | 247,329 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,324 |
| European Capitals by Map | 0 | - | 4.99 | 135,992 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,083 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,537 |
| European Coastal Capitals | 0 | - | 4.95 | 89,668 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,575 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,700 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,841 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,712 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,914 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,769 |
| Official Cities in the UK | 0 | - | 4.89 | 280,231 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,345 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,652 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,715 |
| Countries Bordering France | 0 | - | 4.85 | 397,191 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,571 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,493 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,857 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,182 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,099 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,699 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,711 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,119 |
| Germany Country Quiz | 0 | - | 4.82 | 156,420 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,118 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,071 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,155 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,115 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,132 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,963 |
| Berlin City Trivia | 0 | - | 4.67 | 13,066 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,878 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,061 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,671 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,381 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,170 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,475 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,156 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,760 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,903 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,191 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,055 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,713 |
| Counties of Ireland | 0 | - | 4.92 | 192,836 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,456 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,624 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,780 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,246 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,900 |
| Countries with Megacities | 0 | - | 4.99 | 246,288 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,826 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,752 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,705 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,280 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,691 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,276 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,091 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,448 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,620 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,757 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,010 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,804 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,953 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,754 |
| Which City in Europe? | 0 | - | 4.83 | 106,562 |
| Boroughs of London | 0 | - | 4.63 | 86,971 |
| London Geography | 0 | - | 4.47 | 59,428 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,430 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,767 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,406 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,812 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,607 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,044 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,741 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,735 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,777 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,410 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,506 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,170 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,517 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,472 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,598 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,720 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,697 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,362 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,426 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,305 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,450 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,967 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,075 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,658 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,593 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,334 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,849 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,355 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,538 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,524 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,985 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,769 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,366 |
| The Only European Country ... | 0 | - | 4.91 | 213,551 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,353 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,482 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,291 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,101 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,573 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,552 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,736 |
| Cities in European History #1 | 0 | - | 4.63 | 132,987 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,178 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,548 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,270 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,127 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,348 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,278 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,729 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,381 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,623 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,807 |
| Germany A-Z | 0 | - | 4.56 | 62,280 |
| Counties of England | 0 | - | 4.97 | 788,474 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,748 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,083 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,187 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,779 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,308 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,483 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,235 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,249 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,719 |
| Largest City by Island | 0 | - | 4.87 | 70,964 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,275 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,425 |
| Biggest European Cities by Century | 0 | - | 4.98 | 138,301 |
| Megacities on a World Map | 0 | - | 4.98 | 250,502 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,731 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,771 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,692 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,532 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 120,019 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,073 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,035 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,334 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,183 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,193 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,531 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,496 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,733 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,125 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,257 |
| Random European City to Country | 0 | - | 4.69 | 116,234 |
| Asia Capital to Country | 0 | - | 4.96 | 125,641 |
| African Capitals by Map | 0 | - | 4.99 | 132,071 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,894 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,986 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,149 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,453 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,385 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,544 |
| Which City in Germany? | 0 | - | 4.50 | 134,898 |
| Geography of Rome | 0 | - | 4.51 | 16,621 |
| Paris City Trivia | 0 | - | 4.31 | 35,458 |
| Venice Trivia | 0 | - | 4.45 | 10,414 |
| Milan Trivia | 0 | - | 4.56 | 15,112 |
| Rome City Trivia | 0 | - | 4.49 | 20,576 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,083 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,174 |
| Slavic Countries | 0 | - | 4.96 | 110,782 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,201 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,023 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,981 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,607 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,210 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,414 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,082 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,944 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,635 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,285 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,071 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,071 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,866 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,265 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,832 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,123 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,515 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,368 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,228 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,489 |
