| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,357 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,962 |
| Countries with Megacities | 0 | - | 4.99 | 246,425 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,877 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,776 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,338 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,734 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,175 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,406 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,765 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,790 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,801 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,430 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,531 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,523 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,883 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,866 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,118 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,105 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,230 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,828 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,341 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,515 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,375 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,219 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,202 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,554 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,519 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,751 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,149 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,053 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,022 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,595 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,827 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,892 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,806 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,889 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,750 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,939 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,788 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,323 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,532 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,461 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,767 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,102 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,398 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,907 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,060 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,571 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,552 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,711 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,772 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,827 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,412 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,457 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,496 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,993 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,107 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,688 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,620 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,843 |
| Olympic Host Countries | 0 | - | 4.98 | 198,811 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,763 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,428 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,109 |
| The Only European Country ... | 0 | - | 4.91 | 213,636 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,971 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,417 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,642 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,077 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,415 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,825 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,606 |
| Countries of Africa | 0 | - | 5.00 | 2,505,921 |
| Boundary Waters | 0 | - | 4.92 | 88,020 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,794 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,220 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,314 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,766 |
| Largest City by Island | 0 | - | 4.87 | 70,986 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,337 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,461 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,356 |
| Megacities on a World Map | 0 | - | 4.98 | 250,729 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,749 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,800 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,580 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,080 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,166 |
| Countries of the Middle East | 0 | - | 4.96 | 198,791 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,198 |
| Slavic Countries | 0 | - | 4.96 | 110,805 |
| African Island Countries | 0 | - | 4.96 | 100,712 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,470 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,241 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,907 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,633 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,412 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,994 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,724 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,539 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,641 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,710 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,127 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,117 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,239 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,514 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,194 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,352 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,174 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,459 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,893 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,167 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,979 |
| Most Populous Islands | 0 | - | 4.78 | 121,937 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,194 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,697 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,104 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,910 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,195 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,532 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,800 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,424 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,257 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,199 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,880,425 |
| Landlocked Countries | 0 | - | 4.99 | 413,171 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,133 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,296 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,295 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,326 |
| Monarchies of Europe | 0 | - | 4.90 | 97,255 |
| Monarchies of Asia | 0 | - | 4.97 | 70,563 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,797 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,409 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,654 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,609 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,812 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,453 |
| Countries that Start with D | 0 | - | 4.96 | 700,953 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,825 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,046 |
| Countries that Start with H | 0 | - | 4.96 | 597,457 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,703 |
| Countries that Start with J | 0 | - | 4.98 | 595,523 |
| Countries that Start with K | 0 | - | 4.96 | 808,953 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,354 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,213 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,041 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,780 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,780 |
| Countries that Start with U | 0 | - | 4.97 | 899,609 |
| Countries that Start with V | 0 | - | 4.98 | 604,796 |
| Countries that Start with F | 0 | - | 4.83 | 611,792 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,741 |
| The Only African Country ... | 0 | - | 4.99 | 128,306 |
| The Only American Country ... | 0 | - | 4.92 | 120,698 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,753 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,219 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,991 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,283 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,968 |
| European Countries with One Border | 0 | - | 4.97 | 181,528 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,217 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,052 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,128 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,948 |
| Population Trivia | 0 | - | 4.32 | 27,416 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,862 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,889 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,671 |
| Biggest City by Region | 0 | - | 4.50 | 35,982 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,881 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,507 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,073 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,361 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,509 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,004 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,211 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,898 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,723 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,244 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,802 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,331 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,388 |
| Himalayan Countries | 0 | - | 4.95 | 135,162 |
| Andean Countries | 0 | - | 4.94 | 82,734 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,149 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,082 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,820 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,515 |
| Danube Countries | 0 | - | 4.97 | 71,033 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,696 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,488 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,366 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,284 |
| European Landlocked Countries | 0 | - | 4.99 | 145,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,114 |
