| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,192 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,714 |
| Countries with Megacities | 0 | - | 4.99 | 268,279 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,342 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,438 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,687 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,557 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,457,085 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,277 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,530 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,653 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,909 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,285 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,448 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,782 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,257 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,290 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,889 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,755 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,008 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,670 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,944 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,967 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,129 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,302 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,144 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,087 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,656 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,339 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,599 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,967 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,932 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,913 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,500 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,046 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,569 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,964 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,346 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,076 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,597 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,446 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,171 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,018 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,206 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,434 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,934 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,700 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,846 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,303 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,910 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,647 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,183 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,337 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,038 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 228,068 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,791 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,888 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,034 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,459 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,170 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,775 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,920 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,368 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,626 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,892 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,426 |
| Olympic Host Countries | 0 | - | 4.98 | 202,414 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,336 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,646 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,963 |
| The Only European Country ... | 0 | - | 4.91 | 219,842 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,548 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,963 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,015 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,080 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,430 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,477 |
| Biggest Cities in the United States | 0 | - | 4.94 | 990,065 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,708 |
| Countries of Africa | 0 | - | 5.00 | 2,567,101 |
| Boundary Waters | 0 | - | 4.92 | 88,877 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,922 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,658 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,122 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,870 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,954 |
| Largest City by Island | 0 | - | 4.87 | 72,631 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,539 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,948 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,314 |
| Megacities on a World Map | 0 | - | 4.98 | 257,714 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,895 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,899 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,956 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,945 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,504 |
| Countries of the Middle East | 0 | - | 4.96 | 203,416 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,464 |
| Slavic Countries | 0 | - | 4.96 | 112,586 |
| African Island Countries | 0 | - | 4.96 | 102,821 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,275 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,876 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,962 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,122 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,578 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,082 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,475 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,296 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,870 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,814 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,114 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,043 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,612 |
| 10 Southernmost Countries in Africa | 0 | - | 4.99 | 118,140 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,793 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,128 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,390 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,952 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,646 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,889 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,224 |
| Most Populous Islands | 0 | - | 4.80 | 123,492 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,414 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,693 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,618 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,853 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,310 |
| Lowest Fertility Countries | 0 | - | 4.40 | 98,054 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,781 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,426 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,475 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,512 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,699 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,434 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,675 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,264 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,019,867 |
| Landlocked Countries | 0 | - | 4.99 | 427,862 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,638 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,379 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,834 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,662 |
| Monarchies of Europe | 0 | - | 4.90 | 99,110 |
| Monarchies of Asia | 0 | - | 4.97 | 71,656 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,804 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,398 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,988 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,822 |
| Countries that Start with B | 0 | - | 4.95 | 2,310,438 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,537 |
| Countries that Start with D | 0 | - | 4.96 | 718,565 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,626 |
| Countries that Start with G | 0 | - | 4.97 | 1,514,257 |
| Countries that Start with H | 0 | - | 4.96 | 611,131 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,716 |
| Countries that Start with J | 0 | - | 4.98 | 608,438 |
| Countries that Start with K | 0 | - | 4.97 | 822,329 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,785 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,913 |
| Countries that Start with P | 0 | - | 4.94 | 1,224,030 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,837 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,449 |
| Countries that Start with U | 0 | - | 4.97 | 909,693 |
| Countries that Start with V | 0 | - | 4.98 | 612,882 |
| Countries that Start with F | 0 | - | 4.83 | 622,466 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,384 |
| The Only African Country ... | 0 | - | 4.99 | 129,870 |
| The Only American Country ... | 0 | - | 4.92 | 122,420 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,490 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,594 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,047 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,822 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,167 |
| European Countries with One Border | 0 | - | 4.97 | 184,137 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,850 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,078 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,029 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,592 |
| Population Trivia | 0 | - | 4.32 | 27,601 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,251 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,699 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,195 |
| Biggest City by Region | 0 | - | 4.50 | 36,433 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,396 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,395 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,057 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,259 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 138,018 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,338 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,472 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,645 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,827 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,618 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,324 |
| World Capitals Quiz | 0 | - | 5.00 | 5,118,227 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,201 |
| Himalayan Countries | 0 | - | 4.93 | 141,084 |
| Andean Countries | 0 | - | 4.94 | 85,938 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,037 |
