| Countries of Europe by Population | 0 | - | 4.98 | 180,170 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,442 |
| Name a City - European Countries | 0 | - | 4.90 | 65,199 |
| Largest City by Island | 0 | - | 4.87 | 71,669 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,828 |
| Europe Capital to Country | 0 | - | 4.99 | 249,578 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,587 |
| European Capitals by Map | 0 | - | 4.99 | 138,589 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,880 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,240 |
| European Coastal Capitals | 0 | - | 4.95 | 90,393 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,563 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,660 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,893 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,910 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,515 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,024 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,635 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,346 |
| Official Cities in the UK | 0 | - | 4.89 | 283,074 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,892 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,080 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,170 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,814 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,005 |
| Countries with Megacities | 0 | - | 4.99 | 259,401 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,865 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,982 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,154 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,983 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,260 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,939 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,041 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,079 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,051 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,166 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,705 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,645 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,445 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,048 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,725 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,551 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,415 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,675 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,261 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,369 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,926 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,466 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,911 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,129 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,891 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,822 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,375 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,209 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,493 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,462 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,673 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,771 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 59,106 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,371 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,845 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,369 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,549 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,534 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,927 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,035 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,561 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,847 |
| The Only European Country ... | 0 | - | 4.91 | 216,014 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,784 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,984 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,338 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,822 |
| Cities in European History #1 | 0 | - | 4.63 | 133,805 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,309 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,704 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,662 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,477 |
| Which City in Europe? | 0 | - | 4.83 | 107,174 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,138 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,390 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,802 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,214 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,498 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,209 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,703 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,969 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,155 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,823 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,026 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,000 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,784 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,671 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,245 |
| Megacities on a World Map | 0 | - | 4.98 | 253,364 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,011 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,207 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,704 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,222 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,426 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 121,931 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,654 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,075 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,732 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,101 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,078 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,440 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,154 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,435 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,080 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,417 |
| Asia Capital to Country | 0 | - | 4.96 | 126,474 |
| African Capitals by Map | 0 | - | 4.99 | 133,368 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,075 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,503 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,187 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,743 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,370 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,192 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,008 |
| Slavic Countries | 0 | - | 4.96 | 111,499 |
| African Island Countries | 0 | - | 4.96 | 101,436 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,812 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,780 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,902 |
| Islands by Country #1 | 0 | - | 4.88 | 175,107 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,437 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,983 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,989 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,734 |
| Counties of England | 0 | - | 4.97 | 794,878 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,829 |
| Random European City to Country | 0 | - | 4.69 | 117,465 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,108 |
| Most Populous Islands | 0 | - | 4.80 | 122,787 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,275 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,505 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,768 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,040 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,133 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,675 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,308 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,899 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,643 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,893 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,762 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,103 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,807 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,583 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,469 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,382 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,197 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,743 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,363 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,451 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,097 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,246 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,996 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,696 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,299 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,076 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,095 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,737 |
| Richest Island Countries | 0 | - | 4.84 | 100,306 |
| Monarchies of Europe | 0 | - | 4.90 | 97,968 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,672 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,261 |
| European Countries with One Border | 0 | - | 4.97 | 182,526 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,326 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,169 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,558 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,044 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,038 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,928 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,642 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,680 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,513 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,897 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,136 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,301 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,710 |
| Capitals of the Stans | 0 | - | 4.95 | 26,745 |
| Boundary Waters | 0 | - | 4.92 | 88,375 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,079 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,907 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,159 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,333 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,270 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,318 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,793 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,398 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,895 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,515 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,975 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,062 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 34,635 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,699 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,503 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,552 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,902 |
