| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,804 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,558 |
| Countries with Megacities | 0 | - | 4.99 | 267,985 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,210 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,368 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,535 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,472 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,368 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,053 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,483 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,563 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,847 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,012 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,388 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,743 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,195 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,712 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,654 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,215 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,986 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,603 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,884 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,913 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,073 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,278 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,061 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,033 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,628 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,294 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,580 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,935 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,886 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,847 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,412 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,971 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,489 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,355 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,117 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,026 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,991 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,131 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,553 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,909 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,386 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,870 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,322 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,831 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,222 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,879 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,548 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,823 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,262 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,594 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,122 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,231 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,981 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,918 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,709 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,682 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,981 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,407 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,119 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,728 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,861 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,327 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,585 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,827 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,281 |
| Olympic Host Countries | 0 | - | 4.98 | 202,272 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,272 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,525 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,243 |
| The Only European Country ... | 0 | - | 4.91 | 219,647 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,394 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,861 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,998 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,250 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,405 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,589 |
| Countries of Africa | 0 | - | 5.00 | 2,565,292 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,794 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,070 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,420 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,812 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,890 |
| Largest City by Island | 0 | - | 4.87 | 72,591 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,509 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,902 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,267 |
| Megacities on a World Map | 0 | - | 4.98 | 257,550 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,352 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,865 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,858 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,831 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,371 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,889 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,361 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,318 |
| Countries of the Middle East | 0 | - | 4.96 | 203,307 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,392 |
| Slavic Countries | 0 | - | 4.96 | 112,524 |
| African Island Countries | 0 | - | 4.96 | 102,755 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,252 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,772 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,710 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,579 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,047 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,507 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,993 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,398 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,194 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,800 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,748 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,088 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,989 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,559 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,082 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,722 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,094 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,342 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,670 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,602 |
| Boundary Waters | 0 | - | 4.92 | 88,852 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,472 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,865 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,595 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,081 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,101 |
| Most Populous Islands | 0 | - | 4.80 | 123,462 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,407 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,684 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,728 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,150 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,401 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,492 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,469 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,380 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,625 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,379 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,355 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,810 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,074 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,181 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,595 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,319 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,791 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,628 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,268 |
| Monarchies of Europe | 0 | - | 4.90 | 99,049 |
| Monarchies of Asia | 0 | - | 4.97 | 71,621 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,775 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,368 |
| Lowest Fertility Countries | 0 | - | 4.40 | 98,026 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,881 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,498 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,791 |
| Countries that Start with D | 0 | - | 4.96 | 718,069 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,997 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,581 |
| Countries that Start with H | 0 | - | 4.96 | 610,740 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,135 |
| Countries that Start with J | 0 | - | 4.98 | 608,110 |
| Countries that Start with K | 0 | - | 4.97 | 821,946 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,317 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,430 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,543 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,183 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,087 |
| Countries that Start with U | 0 | - | 4.97 | 909,371 |
| Countries that Start with V | 0 | - | 4.98 | 612,661 |
| Countries that Start with F | 0 | - | 4.83 | 622,178 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,870 |
| The Only African Country ... | 0 | - | 4.99 | 129,811 |
| The Only American Country ... | 0 | - | 4.92 | 122,361 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,454 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,571 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,008 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,750 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,091 |
| European Countries with One Border | 0 | - | 4.97 | 184,049 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,770 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,004 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,315 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,885 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,985,421 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,221 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,683 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,184 |
| Biggest City by Region | 0 | - | 4.50 | 36,423 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,381 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,376 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,042 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,159 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,959 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,332 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,464 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,627 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,740 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,607 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,305 |
