| Countries of Europe by Population | 0 | - | 4.98 | 180,189 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,459 |
| Name a City - European Countries | 0 | - | 4.90 | 65,206 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,669 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,900 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,832 |
| Europe Capital to Country | 0 | - | 4.99 | 249,595 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,604 |
| European Capitals by Map | 0 | - | 4.99 | 138,603 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,892 |
| 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 | 223,578 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,976 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,529 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,038 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,650 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,350 |
| Official Cities in the UK | 0 | - | 4.89 | 283,108 |
| 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 | 81,184 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,023 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,016 |
| Countries with Megacities | 0 | - | 4.99 | 259,789 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,888 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,989 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,168 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,998 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,264 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,234 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,730 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,709 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,819 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,946 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,059 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,093 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,053 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,732 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,552 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,424 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,682 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,268 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,370 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,930 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,483 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,926 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,158 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,906 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,853 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,390 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,215 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,475 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,676 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,782 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 59,926 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,378 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,869 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,372 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,445 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,579 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,862 |
| The Only European Country ... | 0 | - | 4.91 | 216,028 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,792 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,058 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,508 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,684 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,550 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,975 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,106 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,001 |
| 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 | 174,857 |
| Cities in European History #1 | 0 | - | 4.63 | 133,812 |
| 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 | 53,669 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,483 |
| Which City in Europe? | 0 | - | 4.83 | 107,179 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,280 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,396 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,501 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,222 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,707 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,973 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,160 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,827 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,041 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,012 |
| Largest City by Island | 0 | - | 4.87 | 71,680 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,789 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,676 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,252 |
| Megacities on a World Map | 0 | - | 4.98 | 253,405 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,049 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,212 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,712 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,233 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,433 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 121,945 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,656 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,086 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,742 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,104 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,084 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,459 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,155 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,439 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,083 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,423 |
| Asia Capital to Country | 0 | - | 4.96 | 126,480 |
| African Capitals by Map | 0 | - | 4.99 | 133,388 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,085 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,505 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,202 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,747 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,457 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,202 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,022 |
| Slavic Countries | 0 | - | 4.96 | 111,502 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,819 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,787 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,909 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,443 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,987 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,996 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,755 |
| Counties of England | 0 | - | 4.97 | 794,977 |
| 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 | 88,376 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,080 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,912 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,169 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,337 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,273 |
| Most Populous Islands | 0 | - | 4.80 | 122,792 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,277 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,507 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,769 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,049 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,140 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,685 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,312 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,903 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,651 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,895 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,785 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,110 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,815 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,590 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,365 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,478 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,118 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,248 |
| 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 | 61,101 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,113 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,741 |
| Monarchies of Europe | 0 | - | 4.90 | 97,972 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,677 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,266 |
| European Countries with One Border | 0 | - | 4.97 | 182,530 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,335 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,182 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,562 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,052 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,048 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,939 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,715 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,520 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,906 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,142 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,307 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,715 |
| Capitals of the Stans | 0 | - | 4.95 | 26,747 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,470 |
| 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 | 48,199 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,746 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,299 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,079 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,332,711 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,517 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,323 |
| 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 | 36,121 |
| 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 | 223,904 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,525 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,152 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,328 |
