| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,697 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,103 |
| Countries with Megacities | 0 | - | 4.99 | 246,747 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,035 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,910 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,455 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,806 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,817 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,565 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,813 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,880 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,864 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,464 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,578 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,597 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,942 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,017 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,198 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,132 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,310 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,899 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,381 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,569 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,447 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,272 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,253 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,598 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,553 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,795 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,204 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,096 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,074 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,606 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,843 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,925 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,904 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,970 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,831 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,972 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,820 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,373 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,582 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,541 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,201 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,122 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,443 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,946 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,102 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,629 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,638 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,865 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,831 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,986 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,473 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,503 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,563 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,043 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,151 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,732 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,664 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,948 |
| Olympic Host Countries | 0 | - | 4.98 | 198,873 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,801 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,518 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,424 |
| The Only European Country ... | 0 | - | 4.91 | 213,784 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,108 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,508 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,198 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,652 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,084 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,554 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,438 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,738 |
| Countries of Africa | 0 | - | 5.00 | 2,507,359 |
| Boundary Waters | 0 | - | 4.92 | 88,031 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,807 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,267 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,416 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,832 |
| Largest City by Island | 0 | - | 4.87 | 71,027 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,384 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,526 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,092 |
| Megacities on a World Map | 0 | - | 4.98 | 250,906 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,787 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,853 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,700 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,134 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,283 |
| Countries of the Middle East | 0 | - | 4.96 | 198,878 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,241 |
| Slavic Countries | 0 | - | 4.96 | 110,844 |
| African Island Countries | 0 | - | 4.96 | 100,777 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,495 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,383 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,989 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,693 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,472 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,081 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,774 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,604 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,701 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,747 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,147 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,152 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,271 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,553 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,245 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,387 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,224 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,500 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,158 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,645 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,474 |
| Most Populous Islands | 0 | - | 4.79 | 121,971 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,200 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,401 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,721 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,133 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,007 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,296 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,560 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,990 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,485 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,285 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,268 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,907,893 |
| Landlocked Countries | 0 | - | 4.99 | 413,468 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,183 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,349 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,327 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,357 |
| Monarchies of Europe | 0 | - | 4.90 | 97,299 |
| Monarchies of Asia | 0 | - | 4.97 | 70,591 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,821 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,430 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,736 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,477 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,598 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,075 |
| Countries that Start with D | 0 | - | 4.96 | 701,368 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,347 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,590 |
| Countries that Start with H | 0 | - | 4.96 | 597,821 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,134 |
| Countries that Start with J | 0 | - | 4.98 | 595,894 |
| Countries that Start with K | 0 | - | 4.97 | 809,291 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,723 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,589 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,403 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,313 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,105 |
| Countries that Start with U | 0 | - | 4.97 | 899,841 |
| Countries that Start with V | 0 | - | 4.98 | 605,008 |
| Countries that Start with F | 0 | - | 4.83 | 612,088 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,161 |
| The Only African Country ... | 0 | - | 4.99 | 128,349 |
| The Only American Country ... | 0 | - | 4.92 | 120,742 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,773 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,244 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,033 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,361 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,017 |
| European Countries with One Border | 0 | - | 4.97 | 181,600 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,512 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,091 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,153 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,987 |
| Population Trivia | 0 | - | 4.32 | 27,422 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,902 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,902 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,693 |
| Biggest City by Region | 0 | - | 4.50 | 35,993 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,894 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,530 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,111 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,443 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,558 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,013 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,218 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,917 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,777 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,250 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,815 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,530 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,522 |
| Himalayan Countries | 0 | - | 4.95 | 135,305 |
| Andean Countries | 0 | - | 4.94 | 82,802 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,196 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,161 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,872 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,575 |
| Danube Countries | 0 | - | 4.97 | 71,066 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,736 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,522 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,437 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,363 |
| European Landlocked Countries | 0 | - | 4.99 | 145,737 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,180 |
