| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,995 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,855 |
| Countries with Megacities | 0 | - | 4.99 | 246,166 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,776 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,729 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,238 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,665 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,443 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,027 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,717 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,681 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,744 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,392 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,484 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,458 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,836 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,677 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,032 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,085 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,155 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,746 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,282 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,464 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,290 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,141 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,178 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,498 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,477 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,711 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,089 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 163,986 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,954 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,585 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,797 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,853 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,700 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,799 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,678 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,892 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,761 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,254 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,457 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,369 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,160 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,073 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,368 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,867 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,027 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,440 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,398 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,477 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,644 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,575 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,315 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,378 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,396 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,935 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,050 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,629 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,548 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,713 |
| Olympic Host Countries | 0 | - | 4.98 | 198,744 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,708 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,325 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,697 |
| The Only European Country ... | 0 | - | 4.91 | 213,468 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,816 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,308 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,152 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,627 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,068 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,203 |
| Biggest Cities in the United States | 0 | - | 4.93 | 964,953 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,456 |
| Countries of Africa | 0 | - | 5.00 | 2,504,146 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,172 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,194 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,672 |
| Largest City by Island | 0 | - | 4.87 | 70,937 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,211 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,392 |
| Biggest European Cities by Century | 0 | - | 4.98 | 131,337 |
| Megacities on a World Map | 0 | - | 4.98 | 250,198 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,709 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,738 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,460 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,982 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,019 |
| Countries of the Middle East | 0 | - | 4.96 | 198,694 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,131 |
| Slavic Countries | 0 | - | 4.96 | 110,766 |
| African Island Countries | 0 | - | 4.96 | 100,648 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,453 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,157 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,794 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,581 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,353 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,907 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,648 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,471 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,574 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,672 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,106 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,065 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,187 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,457 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,145 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,316 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,126 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,415 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,547 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,533 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,363 |
| Most Populous Islands | 0 | - | 4.78 | 121,904 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,189 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,390 |
| Most Populous Countries in 1950 | 0 | - | 4.62 | 85,342 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,046 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,702 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,074 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,506 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,585 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,324 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,209 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,142 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,849,767 |
| Landlocked Countries | 0 | - | 4.99 | 412,861 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,096 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,244 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,249 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,287 |
| Monarchies of Europe | 0 | - | 4.90 | 97,202 |
| Monarchies of Asia | 0 | - | 4.97 | 70,535 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,773 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,376 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,527 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,554 |
| Countries that Start with B | 0 | - | 4.95 | 2,277,941 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,697 |
| Countries that Start with D | 0 | - | 4.96 | 700,467 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,235 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,400 |
| Countries that Start with H | 0 | - | 4.96 | 597,026 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,155 |
| Countries that Start with J | 0 | - | 4.98 | 595,092 |
| Countries that Start with K | 0 | - | 4.96 | 808,585 |
| Countries that Start with L | 0 | - | 4.98 | 1,081,887 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,741 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,582 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,144 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,407 |
| Countries that Start with U | 0 | - | 4.97 | 899,043 |
| Countries that Start with V | 0 | - | 4.98 | 604,502 |
| Countries that Start with F | 0 | - | 4.83 | 611,442 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,202 |
| The Only African Country ... | 0 | - | 4.99 | 128,255 |
| The Only American Country ... | 0 | - | 4.92 | 120,652 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,732 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,197 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,954 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,202 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,916 |
| European Countries with One Border | 0 | - | 4.97 | 181,445 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,962 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,004 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,104 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,899 |
| Population Trivia | 0 | - | 4.32 | 27,409 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,830 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,880 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,644 |
| Biggest City by Region | 0 | - | 4.50 | 35,964 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,863 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,474 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,034 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,261 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,446 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,995 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,200 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,883 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,649 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,230 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,784 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,427 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,225 |
| Himalayan Countries | 0 | - | 4.95 | 135,045 |
| Andean Countries | 0 | - | 4.94 | 82,658 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,079 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,979 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,753 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,460 |
| Danube Countries | 0 | - | 4.97 | 70,992 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,635 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,452 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,286 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,193 |
| European Landlocked Countries | 0 | - | 4.99 | 145,664 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,048 |
