| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,755 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,171 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,348 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,508 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,535 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,769 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,966 |
| Countries with Megacities | 0 | - | 4.99 | 264,705 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,796 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,504 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,060 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,579 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,595 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,060 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,953 |
| European Countries with One Border | 0 | - | 4.97 | 183,137 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,908 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,962 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,245 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,186 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,586 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,761 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,239 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,173 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,510 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,891 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,991 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,257 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,524 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,313 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,934 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,349 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,647 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,422 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,219 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,384 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,054 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,443 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,452 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,138 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,055 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,376 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,265 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,685 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,366 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,586 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,546 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,926 |
| Random Countries by Borders | 0 | - | 4.99 | 82,668 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,878 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,323 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,600 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,193 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,714 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,194 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,108 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,327 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,114 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,835,705 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,107 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,597 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,856 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,441 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,668 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,569 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,673 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,636 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,740 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,973 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,892 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 132,443 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,675 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,821 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,529 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,084 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,316 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,069 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,965 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,782 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 138,189 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,181 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,792 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,825 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,314 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,197 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,301 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,847 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,927 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,173 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,317 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,820 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,609 |
| Olympic Host Countries | 0 | - | 4.98 | 201,140 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,122 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,714 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,885 |
| The Only European Country ... | 0 | - | 4.91 | 217,431 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,837 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,602 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,744 |
| Countries of Africa | 0 | - | 5.00 | 2,545,422 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,912 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,305 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,080 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,010 |
| Largest City by Island | 0 | - | 4.87 | 72,085 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,173 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,229 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,792 |
| Megacities on a World Map | 0 | - | 4.98 | 255,397 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,521 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,524 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,202 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,257 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,728 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,874 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,421 |
| Countries of the Middle East | 0 | - | 4.96 | 201,726 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,574 |
| Slavic Countries | 0 | - | 4.96 | 111,898 |
| African Island Countries | 0 | - | 4.96 | 101,891 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,966 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,661 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 48,338 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,989 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,254 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,808 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,862 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,802 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,635 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,383 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,949 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,048 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,722 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,413 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,451 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,803 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,495 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,381 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,234 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,446 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,007 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,358 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,547 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,779 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,432 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,140 |
| Most Populous Islands | 0 | - | 4.80 | 123,057 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,327 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,572 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,169 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,570 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,389 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,226 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,001 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,841 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,737 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,197 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,360 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,106 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,568 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,283 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,222 |
| Monarchies of Europe | 0 | - | 4.90 | 98,359 |
| Monarchies of Asia | 0 | - | 4.97 | 71,230 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,497 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,031 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,522 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,964 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,341 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,213 |
| Countries that Start with D | 0 | - | 4.96 | 711,901 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,825 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,094 |
| Countries that Start with H | 0 | - | 4.96 | 606,344 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,373 |
| Countries that Start with J | 0 | - | 4.98 | 603,937 |
| Countries that Start with K | 0 | - | 4.97 | 817,482 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,729 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,791 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,167 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,716 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,379 |
| Countries that Start with U | 0 | - | 4.97 | 905,726 |
| Countries that Start with V | 0 | - | 4.98 | 610,193 |
| Countries that Start with F | 0 | - | 4.83 | 618,826 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,927 |
| The Only African Country ... | 0 | - | 4.99 | 129,285 |
| The Only American Country ... | 0 | - | 4.92 | 121,828 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,215 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,156 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,471 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 109,070 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,706 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,894 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,055 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,869 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,280 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,410 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,621 |
