| Countries of Europe by Population | 0 | - | 4.98 | 180,130 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,418 |
| Name a City - European Countries | 0 | - | 4.90 | 65,187 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,645 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,874 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,815 |
| Europe Capital to Country | 0 | - | 4.99 | 249,551 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,571 |
| European Capitals by Map | 0 | - | 4.99 | 138,546 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,871 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,227 |
| European Coastal Capitals | 0 | - | 4.95 | 90,373 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,544 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,818 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,496 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,009 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,614 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,342 |
| Official Cities in the UK | 0 | - | 4.89 | 283,043 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,884 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,071 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,163 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,419 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,970 |
| Countries with Megacities | 0 | - | 4.99 | 258,645 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,843 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,960 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,126 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,966 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,253 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,045 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,662 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,541 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,816 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,929 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,013 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,057 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,047 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,717 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,539 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,376 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,663 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,255 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,355 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,914 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,444 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,886 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,083 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,860 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,755 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,349 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,187 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,436 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,659 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,759 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,210 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,357 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,826 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,358 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,442 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,534 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,828 |
| The Only European Country ... | 0 | - | 4.91 | 215,981 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,768 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,040 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,459 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,388 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,516 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,820 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,956 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,938 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,798 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,213 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,322 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,793 |
| Cities in European History #1 | 0 | - | 4.63 | 133,795 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,306 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,699 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,650 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,472 |
| Which City in Europe? | 0 | - | 4.83 | 107,157 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,922 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,372 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,494 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,197 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,689 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,964 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,147 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,817 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,009 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,974 |
| Largest City by Island | 0 | - | 4.87 | 71,657 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,775 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,651 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,234 |
| Megacities on a World Map | 0 | - | 4.98 | 253,317 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,958 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,201 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,674 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,188 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,409 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 121,909 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,646 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,061 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,713 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,090 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,069 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,406 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,153 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,430 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,071 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,400 |
| Asia Capital to Country | 0 | - | 4.96 | 126,469 |
| African Capitals by Map | 0 | - | 4.99 | 133,358 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,069 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,498 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,143 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,740 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,191 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,164 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,000 |
| Slavic Countries | 0 | - | 4.96 | 111,487 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,796 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,772 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,889 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,423 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,968 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,983 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,723 |
| Counties of England | 0 | - | 4.97 | 794,792 |
| Random European City to Country | 0 | - | 4.69 | 117,456 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,824 |
| Boundary Waters | 0 | - | 4.92 | 88,370 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,073 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,896 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,150 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,322 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,262 |
| Most Populous Islands | 0 | - | 4.80 | 122,777 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,274 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,502 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,766 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,029 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,124 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,659 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,303 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,882 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,627 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,889 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,726 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,092 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,797 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,576 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,350 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,410 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,066 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,238 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,976 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,688 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,085 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,102 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,723 |
| Monarchies of Europe | 0 | - | 4.90 | 97,948 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,667 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,247 |
| European Countries with One Border | 0 | - | 4.97 | 182,510 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,316 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,147 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,540 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,020 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,019 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,905 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,552 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,499 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,881 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,122 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,281 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,699 |
| Capitals of the Stans | 0 | - | 4.95 | 26,738 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,468 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,698 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,378 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,182 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,741 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,296 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,072 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,323,145 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,498 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,315 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,389 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,042 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,918 |
| Biggest City by Region | 0 | - | 4.50 | 36,118 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,050 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,787 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,391 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,870 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,494 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,149 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,322 |
