| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 123,885 |
| Countries with Megacities | 0 | - | 4.99 | 194,319 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,077 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,662 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,433 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,531 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,594 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,300,299 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,171 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,214 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,123 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,092 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,407 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,296 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 135,999 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,683 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,222 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,168 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,442 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,316 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 92,454 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,319 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 203,800 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 108,715 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,127 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,554 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,274 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,492 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 142,660 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 139,022 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,232 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 48,953 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,127 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,203 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 155,810 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 79,838 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.89 | 83,744 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 144,687 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 160,995 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,697 |
| Biggest Cities in the World | 0 | - | 4.89 | 677,115 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 66,369 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,335 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.88 | 50,281 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,168 |
| Biggest City by Time Zone | 0 | - | 4.82 | 53,174 |
| Biggest City in Every Country | 0 | - | 4.97 | 77,314 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 166,848 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 90,644 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 94,193 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 53,477 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 69,914 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 64,011 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,924 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,307 |
| Olympic Host Countries | 0 | - | 4.98 | 160,113 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,662 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 228,445 |
| The Only European Country ... | 0 | - | 4.94 | 175,680 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 192,367 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,369 |
| Most Populous Country by First Two Letters | 0 | - | 4.73 | 66,370 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,521 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 366,666 |
| Biggest Cities in the United States | 0 | - | 4.92 | 806,977 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 320,418 |
| Countries of Africa | 0 | - | 5.00 | 2,136,641 |
| Most Populous Countries by Year | 0 | - | 4.79 | 92,549 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,799 |
| Boundary Waters | 0 | - | 4.93 | 80,398 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,669 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,046 |
| Biggest Cities by Language | 0 | - | 4.95 | 212,245 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,415 |
| Most Populous World Capitals | 0 | - | 4.92 | 146,314 |
| Biggest European Cities by Century | 0 | - | 4.97 | 117,573 |
| Megacities on a World Map | 0 | - | 4.98 | 218,875 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,325 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 62,610 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 82,708 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 149,811 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,125 |
| Countries of the Middle East | 0 | - | 4.96 | 171,127 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,627 |
| Slavic Countries | 0 | - | 4.96 | 99,699 |
| African Island Countries | 0 | - | 4.96 | 88,409 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,876 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 109,827 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,544 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 117,921 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 125,417 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,216 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,430 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,694 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,371 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,183 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,282 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 103,787 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 129,637 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 87,894 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,648 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 507,987 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,169,164 |
| Countries of North America Quiz | 0 | - | 5.00 | 867,640 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,746 |
| Most Populous Islands | 0 | - | 4.71 | 111,899 |
| Islands by Largest City #1 | 0 | - | 4.48 | 81,920 |
| Most Populous Countries in 1950 | 0 | - | 4.55 | 70,563 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,579 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,688 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 153,546 |
| Biggest Cities in Asia | 0 | - | 4.94 | 94,809 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,849 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,676 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.90 | 205,216 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,370,388 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 316,400 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 100,849 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,422 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 99,871 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,267 |
| Monarchies of Europe | 0 | - | 4.88 | 86,114 |
| Monarchies of Asia | 0 | - | 4.95 | 53,535 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 50,133 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 109,671 |
| Countries that Start with A | 0 | - | 4.98 | 1,923,395 |
| Countries that Start with B | 0 | - | 4.96 | 2,061,981 |
| Countries that Start with C | 0 | - | 4.96 | 1,629,741 |
| Countries that Start with D | 0 | - | 4.96 | 582,394 |
| Countries that Start with E | 0 | - | 4.95 | 1,218,617 |
| Countries that Start with G | 0 | - | 4.97 | 1,337,950 |
| Countries that Start with H | 0 | - | 4.95 | 496,585 |
| Countries that Start with I | 0 | - | 4.92 | 1,149,862 |
| Countries that Start with J | 0 | - | 4.98 | 500,301 |
| Countries that Start with K | 0 | - | 4.97 | 702,755 |
| Countries that Start with L | 0 | - | 4.98 | 960,777 |
| Countries that Start with N | 0 | - | 4.92 | 987,186 |
| Countries that Start with P | 0 | - | 4.94 | 1,090,213 |
| Countries that Start with S | 0 | - | 4.98 | 1,590,545 |
| Countries that Start with T | 0 | - | 4.88 | 900,229 |
| Countries that Start with U | 0 | - | 4.96 | 813,207 |
| Countries that Start with V | 0 | - | 4.98 | 544,805 |
| Countries that Start with F | 0 | - | 4.82 | 529,918 |
| Countries that Start with M | 0 | - | 4.97 | 1,242,603 |
| The Only African Country ... | 0 | - | 4.98 | 104,450 |
| The Only American Country ... | 0 | - | 4.94 | 108,753 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,140 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,415 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,672 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 37,140 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,326 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,175 |
| European Countries with One Border | 0 | - | 4.96 | 148,954 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,219 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,512 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,059 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,738 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,586 |
| Population Trivia | 0 | - | 4.35 | 26,209 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,265 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 42,848 |
| Biggest City by Region | 0 | - | 4.48 | 33,180 |
| Most Populous 2nd Cities | 0 | - | 4.72 | 52,937 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,021 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,018 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 197,161 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 108,124 |
| Largest World Capitals with Exceptions | 0 | - | 4.71 | 50,189 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 67,567 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 300,934 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 95,903 |
| Ten Northernmost Megacities | 0 | - | 4.49 | 46,782 |
| Ten Southernmost Megacities | 0 | - | 4.80 | 45,957 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,145 |
| World Capitals Quiz | 0 | - | 5.00 | 4,451,355 |
| Countries on the Equator | 0 | - | 4.82 | 131,631 |
| Members of the Arab League | 0 | - | 4.81 | 58,770 |
| Sahara Desert Countries | 0 | - | 4.97 | 124,867 |
| Himalayan Countries | 0 | - | 4.95 | 102,159 |
| Andean Countries | 0 | - | 4.90 | 56,737 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,555 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,482 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,778 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,443 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,634 |
| Danube Countries | 0 | - | 4.97 | 56,316 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,336 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,551 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,167 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,672 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,058 |
| European Landlocked Countries | 0 | - | 4.99 | 114,783 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,623 |
| Countries with the Most Species | 0 | - | 4.99 | 89,053 |
| Countries 197 to 205 | 0 | - | 4.87 | 55,688 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,399 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,769 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,674 |
| UK Immigration by Country | 0 | - | 4.95 | 123,954 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,052 |
