| Countries of Europe by Population | 0 | - | 4.98 | 180,532 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,713 |
| Name a City - European Countries | 0 | - | 4.90 | 65,307 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,828 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,049 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,988 |
| Europe Capital to Country | 0 | - | 4.99 | 249,868 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,757 |
| European Capitals by Map | 0 | - | 4.99 | 138,921 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,996 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,338 |
| European Coastal Capitals | 0 | - | 4.95 | 90,510 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,798 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,712 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,715 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,193 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,752 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,391 |
| Official Cities in the UK | 0 | - | 4.89 | 283,425 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,968 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,139 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,240 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,712 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,270 |
| Countries with Megacities | 0 | - | 4.99 | 262,485 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,100 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,123 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,402 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,171 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,357 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,564 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,054 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,855 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,836 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,080 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,384 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,259 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,117 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,829 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,645 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,614 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,803 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,341 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,464 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,014 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,780 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,335 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,713 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,171 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,467 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,684 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,407 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,736 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 57,673 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,945 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,110 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,535 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,141 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,455 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,485 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,820 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,087 |
| The Only European Country ... | 0 | - | 4.91 | 216,372 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,981 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,136 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,038 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,242 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,888 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,882 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,089 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,255 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,829 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,243 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,487 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,254 |
| Cities in European History #1 | 0 | - | 4.62 | 133,915 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,335 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,733 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,753 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,605 |
| Which City in Europe? | 0 | - | 4.83 | 107,334 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,412 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,515 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,549 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,345 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,814 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,081 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,246 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,866 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,404 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,255 |
| Largest City by Island | 0 | - | 4.87 | 71,795 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,884 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,827 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,375 |
| Megacities on a World Map | 0 | - | 4.98 | 254,181 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,676 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,297 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,851 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,465 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,575 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 122,236 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,754 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,239 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,874 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,196 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,146 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,657 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,221 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,503 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,176 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,568 |
| Asia Capital to Country | 0 | - | 4.96 | 126,576 |
| African Capitals by Map | 0 | - | 4.99 | 133,618 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,245 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,547 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,615 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,798 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,433 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,473 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,176 |
| Slavic Countries | 0 | - | 4.96 | 111,587 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,012 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,877 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,031 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,574 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,115 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,075 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,003 |
| Counties of England | 0 | - | 4.97 | 795,928 |
| Random European City to Country | 0 | - | 4.69 | 117,593 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,864 |
| Boundary Waters | 0 | - | 4.92 | 88,429 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,126 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,010 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,339 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,413 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,347 |
| Most Populous Islands | 0 | - | 4.80 | 122,871 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,290 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,522 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,790 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,155 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,186 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,854 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,364 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,054 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,825 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,970 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,240 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,278 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,897 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,668 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,437 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,006 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,454 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,397 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,159 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,781 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,261 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,191 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,830 |
| Monarchies of Europe | 0 | - | 4.90 | 98,059 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,765 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,409 |
| European Countries with One Border | 0 | - | 4.97 | 182,672 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,479 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,293 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,703 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,389 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,297 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,155 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,939 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,661 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,088 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 80,670 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,520 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,877 |
| Capitals of the Stans | 0 | - | 4.95 | 26,810 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,492 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,712 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,417 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,286 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,799 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,329 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,125 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,399,344 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,609 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,379 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,497 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,070 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,954 |
| Biggest City by Region | 0 | - | 4.50 | 36,179 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,106 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,869 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,491 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,149 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,671 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,173 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,341 |
