| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,706 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,529 |
| Countries with Megacities | 0 | - | 4.99 | 267,924 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,182 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,351 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,506 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,456 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,206 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,021 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,478 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,541 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,831 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,003 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,375 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,737 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,179 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,199 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,662 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,627 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,978 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,585 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,871 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,905 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,061 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,269 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,041 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,025 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,616 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,285 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,575 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,930 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,875 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,831 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,309 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,024 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,548 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,904 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,317 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,940 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,467 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,315 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,096 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,978 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,119 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,381 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,804 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,102 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,820 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,251 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,871 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,584 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,097 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,205 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,969 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,865 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,683 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,633 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,956 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,391 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,108 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,724 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,854 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,319 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,573 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,793 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,243 |
| Olympic Host Countries | 0 | - | 4.98 | 202,238 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,258 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,497 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,142 |
| The Only European Country ... | 0 | - | 4.91 | 219,600 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,356 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,838 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,992 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,068 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,417 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,193 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,253 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,544 |
| Countries of Africa | 0 | - | 5.00 | 2,564,844 |
| Boundary Waters | 0 | - | 4.92 | 88,841 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,471 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,851 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,577 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,071 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,794 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,867 |
| Largest City by Island | 0 | - | 4.87 | 72,580 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,504 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,883 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,256 |
| Megacities on a World Map | 0 | - | 4.98 | 257,506 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,850 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,842 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,799 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,877 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,281 |
| Countries of the Middle East | 0 | - | 4.96 | 203,278 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,369 |
| Slavic Countries | 0 | - | 4.96 | 112,513 |
| African Island Countries | 0 | - | 4.96 | 102,746 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,248 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,751 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,661 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,029 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,490 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,972 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,383 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,175 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,787 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,730 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,083 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,976 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,536 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,065 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,708 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,082 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,327 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,580 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,136 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,258 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,351 |
| Most Populous Islands | 0 | - | 4.80 | 123,447 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,404 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,677 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,596 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,802 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,257 |
| Lowest Fertility Countries | 0 | - | 4.40 | 98,022 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,717 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,137 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,381 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,487 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,415 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,375 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,611 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,163 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,977,492 |
| Landlocked Countries | 0 | - | 4.99 | 427,337 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,585 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,295 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,778 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,621 |
| Monarchies of Europe | 0 | - | 4.90 | 99,041 |
| Monarchies of Asia | 0 | - | 4.97 | 71,611 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,771 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,358 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,851 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,635 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,256 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,597 |
| Countries that Start with D | 0 | - | 4.96 | 717,923 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,830 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,400 |
| Countries that Start with H | 0 | - | 4.96 | 610,635 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,965 |
| Countries that Start with J | 0 | - | 4.98 | 608,013 |
| Countries that Start with K | 0 | - | 4.97 | 821,852 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,203 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,301 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,440 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,026 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,000 |
| Countries that Start with U | 0 | - | 4.97 | 909,312 |
| Countries that Start with V | 0 | - | 4.98 | 612,618 |
| Countries that Start with F | 0 | - | 4.83 | 622,095 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,732 |
| The Only African Country ... | 0 | - | 4.99 | 129,802 |
| The Only American Country ... | 0 | - | 4.92 | 122,355 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,449 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,561 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,996 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,732 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,080 |
| European Countries with One Border | 0 | - | 4.97 | 184,033 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,745 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,996 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,997 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,525 |
| Population Trivia | 0 | - | 4.32 | 27,594 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,213 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,679 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,182 |
| Biggest City by Region | 0 | - | 4.50 | 36,418 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,377 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,372 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,037 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,126 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,937 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,331 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,461 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,621 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,728 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,606 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,303 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,498 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,960 |
| Himalayan Countries | 0 | - | 4.93 | 140,864 |
| Andean Countries | 0 | - | 4.94 | 85,822 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,933 |
