| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,868 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,969 |
| Countries with Megacities | 0 | - | 4.99 | 266,753 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,662 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,010 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,975 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,133 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,108 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,225 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,270 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,901 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,585 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,852 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,145 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,543 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,883 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,719 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,313 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,915 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,877 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,259 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,587 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,695 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,829 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,166 |
| Largest City by Island | 0 | - | 4.87 | 72,393 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,713 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,829 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,480 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,142 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,484 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,836 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,705 |
| African Island Countries | 0 | - | 4.96 | 102,366 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,571 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,832 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,254 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,902 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,589 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,791 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,966 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,801 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,930 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,457 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,769 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,193 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,373 |
| Biggest Cities in the World | 0 | - | 4.91 | 804,865 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,761 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,731 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,084 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,387 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,865 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,836 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,190 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,356 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,664 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,697 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,191 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,888 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,565 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,638 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,154 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,322 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,173 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,583 |
| Olympic Host Countries | 0 | - | 4.98 | 201,825 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,756 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,965 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,349 |
| The Only European Country ... | 0 | - | 4.91 | 218,723 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,746 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,377 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,884 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 145,007 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,334 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,085 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,833 |
| Countries of Africa | 0 | - | 5.00 | 2,556,678 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,002 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,374 |
| Asian Island Nations | 0 | - | 4.63 | 94,437 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,499 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,559 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,384 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,621 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,086 |
| Megacities on a World Map | 0 | - | 4.98 | 256,662 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,554 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,728 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,589 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,092 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,575 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,898 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,536 |
| Countries of the Middle East | 0 | - | 4.96 | 202,465 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,081 |
| Slavic Countries | 0 | - | 4.96 | 112,298 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,142 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,247 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 52,921 |
| Islands by Country #1 | 0 | - | 4.90 | 176,244 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,342 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,716 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,238 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,483 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,078 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,234 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,410 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,453 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,921 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,727 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,961 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,400 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,190 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,827 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,081 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,055 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,282 |
| Boundary Waters | 0 | - | 4.92 | 88,734 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,388 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,619 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,243 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,898 |
| Most Populous Islands | 0 | - | 4.80 | 123,273 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,375 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,633 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,931 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,508 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,917 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,038 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,393 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,364 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,116 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,470 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,627 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,793 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,418 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,027 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,596 |
| Richest Island Countries | 0 | - | 4.85 | 101,156 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,450 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,984 |
| Monarchies of Europe | 0 | - | 4.90 | 98,777 |
| Monarchies of Asia | 0 | - | 4.97 | 71,461 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,138 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,677 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,242 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,308 |
| Countries that Start with A | 0 | - | 4.98 | 2,174,115 |
| Countries that Start with B | 0 | - | 4.95 | 2,305,047 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,319 |
| Countries that Start with D | 0 | - | 4.96 | 715,633 |
| Countries that Start with E | 0 | - | 4.95 | 1,384,135 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,538 |
| Countries that Start with H | 0 | - | 4.96 | 609,008 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,850 |
| Countries that Start with J | 0 | - | 4.98 | 606,402 |
| Countries that Start with K | 0 | - | 4.97 | 820,192 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,068 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,127 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,343 |
| Countries that Start with S | 0 | - | 4.98 | 1,762,148 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,349 |
| Countries that Start with U | 0 | - | 4.97 | 908,062 |
| Countries that Start with V | 0 | - | 4.98 | 611,687 |
| Countries that Start with F | 0 | - | 4.83 | 620,867 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,466 |
| The Only African Country ... | 0 | - | 4.99 | 129,605 |
| The Only American Country ... | 0 | - | 4.92 | 122,155 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,361 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,244 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,421 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,389 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,742 |
| European Countries with One Border | 0 | - | 4.97 | 183,670 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,425 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,747 |
| Name a Valid Island Country | 0 | - | 4.97 | 129,452 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,825,859 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,052 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,637 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,138 |
| Biggest City by Region | 0 | - | 4.50 | 36,375 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,316 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,621 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,281 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,949 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,595 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,616 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,300 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,430 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,522 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,336 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,556 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,232 |
| Landlocked Countries | 0 | - | 4.99 | 425,003 |
| UK Immigration by Country | 0 | - | 4.94 | 141,607 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,035 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,314 |
