| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,248 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,991 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,183 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,322 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,099 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,063 |
| Countries with Megacities | 0 | - | 4.99 | 260,637 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,924 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,016 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,199 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,023 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,465 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,779 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,311 |
| European Countries with One Border | 0 | - | 4.97 | 182,546 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,353 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,568 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,457 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,694 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,282 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,385 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,941 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,973 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,239 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,418 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,829 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,778 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,122 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,098 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,529 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,170 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,452 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,095 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,804 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,930 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,710 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,690 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,925 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,642 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,699 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,496 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,551 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,061 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,663 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,360 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,062 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,603 |
| Random Countries by Borders | 0 | - | 4.99 | 82,295 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,772 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,144 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,336 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,157 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,015 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,912 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,873 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,772 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,900 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,823,099 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,627 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,430 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,535 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,113 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,202 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,105 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,170 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,460 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,255 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,794 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,437 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,537 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,275 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,734 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,015 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,747 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,523 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,980 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,250 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,946 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,960 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,428 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,238 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,566 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,519 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,696 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,807 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 61,660 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,402 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,901 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,927 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,597 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,608 |
| Olympic Host Countries | 0 | - | 4.98 | 200,421 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,649 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,888 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,196 |
| The Only European Country ... | 0 | - | 4.91 | 216,063 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,829 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,817 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,589 |
| Countries of Africa | 0 | - | 5.00 | 2,531,038 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,804 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,221 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,069 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,050 |
| Largest City by Island | 0 | - | 4.87 | 71,695 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,799 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,694 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,274 |
| Megacities on a World Map | 0 | - | 4.98 | 253,514 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,139 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,226 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,728 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,268 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,672 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,104 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,603 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,235 |
| Countries of the Middle East | 0 | - | 4.96 | 200,812 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,041 |
| Slavic Countries | 0 | - | 4.96 | 111,514 |
| African Island Countries | 0 | - | 4.96 | 101,460 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,807 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,839 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,609 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,912 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,686 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,308 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,229 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,486 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,905 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,712 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,462 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,561 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,525 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,108 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,010 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,425 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,043 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,995 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,838 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,112 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,866 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,967 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,296 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,277 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,191 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,987 |
| Most Populous Islands | 0 | - | 4.80 | 122,805 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,279 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,509 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,723 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,917 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,677 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,905 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,873 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,861 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,139 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,822 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,662 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,758 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,088 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,962 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,957 |
| Monarchies of Europe | 0 | - | 4.90 | 97,984 |
| Monarchies of Asia | 0 | - | 4.97 | 70,996 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,280 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,787 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,375 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,275 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,248 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,488 |
| Countries that Start with D | 0 | - | 4.96 | 707,824 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,071 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,757 |
| Countries that Start with H | 0 | - | 4.96 | 603,271 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,362 |
| Countries that Start with J | 0 | - | 4.98 | 601,104 |
| Countries that Start with K | 0 | - | 4.97 | 814,384 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,089 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,051 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,542 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,631 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,609 |
| Countries that Start with U | 0 | - | 4.97 | 903,475 |
| Countries that Start with V | 0 | - | 4.98 | 608,526 |
| Countries that Start with F | 0 | - | 4.83 | 616,432 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,844 |
| The Only African Country ... | 0 | - | 4.98 | 128,970 |
| The Only American Country ... | 0 | - | 4.92 | 121,424 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,070 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,996 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,271 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,837 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,460 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,673 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,701 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,288 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,806 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,027 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,376 |
