| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,166 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,896 |
| Countries with Megacities | 0 | - | 4.99 | 246,279 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,819 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,750 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,275 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,689 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,761 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,228 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,740 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,734 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,773 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,410 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,505 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,491 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,855 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,760 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,083 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,184 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,776 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,306 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,482 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,331 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,179 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,192 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,529 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,495 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,731 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,121 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,019 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,981 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,589 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,807 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,865 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,742 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,836 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,707 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,911 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,769 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,285 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,488 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,422 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,430 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,084 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,376 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,878 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,042 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,513 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,467 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,594 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,718 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,688 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,356 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,419 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,445 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,962 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,072 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,655 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,590 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,766 |
| Olympic Host Countries | 0 | - | 4.98 | 198,778 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,739 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,364 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,888 |
| The Only European Country ... | 0 | - | 4.91 | 213,544 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,875 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,348 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,161 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,634 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,070 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,300 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,320 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,531 |
| Countries of Africa | 0 | - | 5.00 | 2,505,027 |
| Boundary Waters | 0 | - | 4.92 | 87,996 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,192 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,245 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,718 |
| Largest City by Island | 0 | - | 4.87 | 70,961 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,272 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,421 |
| Biggest European Cities by Century | 0 | - | 4.98 | 137,944 |
| Megacities on a World Map | 0 | - | 4.98 | 250,494 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,730 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,770 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,527 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,033 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,079 |
| Countries of the Middle East | 0 | - | 4.96 | 198,735 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,171 |
| Slavic Countries | 0 | - | 4.96 | 110,782 |
| African Island Countries | 0 | - | 4.96 | 100,674 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,462 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,199 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,841 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,599 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,379 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,946 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,685 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,504 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,602 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,681 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,119 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,090 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,208 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,480 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,170 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,326 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,143 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,439 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,722 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,717 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,626 |
| Most Populous Islands | 0 | - | 4.78 | 121,919 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,191 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,395 |
| Most Populous Countries in 1950 | 0 | - | 4.62 | 85,590 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,070 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,829 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,123 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,513 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,681 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,363 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,228 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,159 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,862,982 |
| Landlocked Countries | 0 | - | 4.99 | 412,986 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,110 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,259 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,275 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,302 |
| Monarchies of Europe | 0 | - | 4.90 | 97,226 |
| Monarchies of Asia | 0 | - | 4.97 | 70,545 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,783 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,384 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,575 |
| Countries that Start with A | 0 | - | 4.98 | 2,145,007 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,307 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,032 |
| Countries that Start with D | 0 | - | 4.96 | 700,678 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,493 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,685 |
| Countries that Start with H | 0 | - | 4.96 | 597,206 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,379 |
| Countries that Start with J | 0 | - | 4.98 | 595,287 |
| Countries that Start with K | 0 | - | 4.96 | 808,731 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,089 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,964 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,784 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,417 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,567 |
| Countries that Start with U | 0 | - | 4.97 | 899,371 |
| Countries that Start with V | 0 | - | 4.98 | 604,633 |
| Countries that Start with F | 0 | - | 4.83 | 611,595 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,452 |
| The Only African Country ... | 0 | - | 4.99 | 128,279 |
| The Only American Country ... | 0 | - | 4.92 | 120,670 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,742 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,206 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,972 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,237 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,937 |
| European Countries with One Border | 0 | - | 4.97 | 181,485 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,995 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,026 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,116 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,918 |
| Population Trivia | 0 | - | 4.32 | 27,413 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,848 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,882 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,651 |
| Biggest City by Region | 0 | - | 4.50 | 35,976 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,874 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,493 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,047 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,305 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,470 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,997 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,205 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,890 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,680 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,235 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,797 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,559 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,310 |
| Himalayan Countries | 0 | - | 4.95 | 135,105 |
| Andean Countries | 0 | - | 4.94 | 82,691 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,103 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,027 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,790 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,497 |
| Danube Countries | 0 | - | 4.97 | 71,012 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,662 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,469 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,320 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,235 |
| European Landlocked Countries | 0 | - | 4.99 | 145,682 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,074 |
