| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,244 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,988 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,180 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,322 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,090 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,055 |
| Countries with Megacities | 0 | - | 4.99 | 260,569 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,923 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,014 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,196 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,019 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,439 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,777 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,309 |
| European Countries with One Border | 0 | - | 4.97 | 182,545 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,350 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,567 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,454 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,693 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,282 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,383 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,939 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,964 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,232 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,414 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,829 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,774 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,121 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,096 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,523 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,167 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,451 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,093 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,800 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,927 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,708 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,689 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,920 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,633 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,693 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,491 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,548 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,059 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,659 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,360 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,061 |
| 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 | 64,143 |
| 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 | 77,011 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,911 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,869 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,771 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,872 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,823,048 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,624 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,429 |
| 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 | 95,163 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,458 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,254 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,793 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,437 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,536 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,274 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,733 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,014 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,746 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,517 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,976 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,233 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,943 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,948 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,424 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,234 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,562 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,515 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,695 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,802 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 61,464 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,399 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,897 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,898 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,590 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,603 |
| Olympic Host Countries | 0 | - | 4.98 | 200,417 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,647 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,885 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,181 |
| The Only European Country ... | 0 | - | 4.91 | 216,054 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,823 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,815 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,589 |
| Countries of Africa | 0 | - | 5.00 | 2,530,992 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,803 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,221 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,066 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,046 |
| Largest City by Island | 0 | - | 4.87 | 71,694 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,798 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,690 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,271 |
| Megacities on a World Map | 0 | - | 4.98 | 253,497 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,136 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,225 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,728 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,265 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,672 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,102 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,591 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,229 |
| Countries of the Middle East | 0 | - | 4.96 | 200,804 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,040 |
| Slavic Countries | 0 | - | 4.96 | 111,513 |
| African Island Countries | 0 | - | 4.96 | 101,456 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,805 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,838 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,598 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,893 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,685 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,307 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,224 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,486 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,903 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,709 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,462 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,560 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,524 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,108 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,008 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,420 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,038 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,993 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,837 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,110 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,865 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,963 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,295 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,272 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,191 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,987 |
| Most Populous Islands | 0 | - | 4.80 | 122,804 |
| 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 | 73,721 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,916 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,675 |
| 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 | 344,852 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,133 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,820 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,647 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,758 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,086 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,959 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,956 |
| Monarchies of Europe | 0 | - | 4.90 | 97,982 |
| Monarchies of Asia | 0 | - | 4.97 | 70,994 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,280 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,786 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,371 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,244 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,216 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,467 |
| Countries that Start with D | 0 | - | 4.96 | 707,812 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,048 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,737 |
| Countries that Start with H | 0 | - | 4.96 | 603,257 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,343 |
| Countries that Start with J | 0 | - | 4.98 | 601,092 |
| Countries that Start with K | 0 | - | 4.97 | 814,360 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,070 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,028 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,520 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,611 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,599 |
| Countries that Start with U | 0 | - | 4.97 | 903,462 |
| Countries that Start with V | 0 | - | 4.98 | 608,516 |
| Countries that Start with F | 0 | - | 4.83 | 616,424 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,825 |
| The Only African Country ... | 0 | - | 4.98 | 128,968 |
| The Only American Country ... | 0 | - | 4.92 | 121,424 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,069 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,995 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,271 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,836 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,457 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,672 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,699 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,287 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,805 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,024 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,375 |
