| Countries of Europe by Population | 0 | - | 4.98 | 180,196 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,462 |
| Name a City - European Countries | 0 | - | 4.90 | 65,206 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,673 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,902 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,835 |
| Europe Capital to Country | 0 | - | 4.99 | 249,597 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,606 |
| European Capitals by Map | 0 | - | 4.99 | 138,615 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,896 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,247 |
| European Coastal Capitals | 0 | - | 4.95 | 90,396 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,582 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,993 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,531 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,038 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,652 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,351 |
| Official Cities in the UK | 0 | - | 4.89 | 283,113 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,898 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,081 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,187 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,107 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,019 |
| Countries with Megacities | 0 | - | 4.99 | 259,914 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,892 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,990 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,169 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,999 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,266 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,264 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,740 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,743 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,819 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,948 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,061 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,095 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,055 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,735 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,554 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,427 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,683 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,269 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,371 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,931 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,488 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,931 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,167 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,912 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,866 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,395 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,215 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,482 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,678 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,784 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 60,186 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,383 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,876 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,374 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,445 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,581 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,863 |
| The Only European Country ... | 0 | - | 4.91 | 216,033 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,794 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,061 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,519 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,721 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,554 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,981 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,118 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,006 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,802 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,216 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,345 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,864 |
| Cities in European History #1 | 0 | - | 4.63 | 133,813 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,310 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,705 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,671 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,485 |
| Which City in Europe? | 0 | - | 4.83 | 107,183 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,314 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,398 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,502 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,226 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,710 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,976 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,167 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,827 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,044 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,017 |
| Largest City by Island | 0 | - | 4.87 | 71,683 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,791 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,679 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,255 |
| Megacities on a World Map | 0 | - | 4.98 | 253,418 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,062 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,214 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,714 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,234 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,435 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 121,957 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,658 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,088 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,747 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,107 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,086 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,472 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,158 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,440 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,085 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,426 |
| Asia Capital to Country | 0 | - | 4.96 | 126,482 |
| African Capitals by Map | 0 | - | 4.99 | 133,395 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,086 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,506 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,205 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,748 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,494 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,206 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,026 |
| Slavic Countries | 0 | - | 4.96 | 111,502 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,822 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,788 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,910 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,444 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,989 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,000 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,760 |
| Counties of England | 0 | - | 4.97 | 794,988 |
| Random European City to Country | 0 | - | 4.69 | 117,470 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,829 |
| Boundary Waters | 0 | - | 4.92 | 88,378 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,080 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,913 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,171 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,338 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,275 |
| Most Populous Islands | 0 | - | 4.80 | 122,794 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,277 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,508 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,770 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,051 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,140 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,690 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,312 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,906 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,654 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,897 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,799 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,113 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,815 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,591 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,366 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,487 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,125 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,251 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,003 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,705 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,104 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,113 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,743 |
| Monarchies of Europe | 0 | - | 4.90 | 97,973 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,678 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,273 |
| European Countries with One Border | 0 | - | 4.97 | 182,533 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,338 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,187 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,565 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,055 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,053 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,943 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,726 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,522 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,911 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,142 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,308 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,716 |
| Capitals of the Stans | 0 | - | 4.95 | 26,747 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,471 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,700 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,384 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,205 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,746 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,300 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,080 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,333,954 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,520 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,324 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,401 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,047 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,923 |
| Biggest City by Region | 0 | - | 4.50 | 36,122 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,054 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,797 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,401 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,907 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,526 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,152 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,328 |
