| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,128 |
| Countries with Megacities | 0 | - | 4.99 | 200,527 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,295 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,298 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,462 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,299 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,479 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,323,414 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,301 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,041 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,288 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,101 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,009 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,740 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,060 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,063 |
| Countries of Europe by Population | 0 | - | 4.98 | 130,089 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,094 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,167 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,845 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 83,152 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,546 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,186 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,973 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,475 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,151 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,723 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 54,072 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,417 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,799 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 145,234 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 147,530 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,861 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,194 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 7,435 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,458 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,384 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,717 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 82,022 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,409 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,349 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 163,066 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,685 |
| Biggest Cities in the World | 0 | - | 4.90 | 697,801 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,378 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 93,851 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,229 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,755 |
| Biggest City by Time Zone | 0 | - | 4.85 | 55,513 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,728 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 172,920 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,568 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,783 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,267 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,824 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,453 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,819 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,807 |
| Countries That Use the Euro | 0 | - | 4.93 | 65,179 |
| Olympic Host Countries | 0 | - | 4.98 | 163,670 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,546 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 237,806 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,591 |
| The Only European Country ... | 0 | - | 4.93 | 181,771 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,603 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,100 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 67,466 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,073 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 376,236 |
| Biggest Cities in the United States | 0 | - | 4.93 | 844,380 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,424 |
| Countries of Africa | 0 | - | 5.00 | 2,201,630 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,756 |
| Boundary Waters | 0 | - | 4.93 | 81,650 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,978 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,821 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,756 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,223 |
| Most Populous World Capitals | 0 | - | 4.94 | 158,660 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,942 |
| Megacities on a World Map | 0 | - | 4.98 | 222,957 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,572 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,267 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,914 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 152,632 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 189,310 |
| Countries of the Middle East | 0 | - | 4.96 | 176,046 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,942 |
| Slavic Countries | 0 | - | 4.96 | 101,311 |
| African Island Countries | 0 | - | 4.96 | 90,649 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,846 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 32,580 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,291 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,809 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,039 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 128,080 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 200,082 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 179,467 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,208 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,668 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,678 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 139,746 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,076 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,015 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,862 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,797 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 520,154 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,201,649 |
| Countries of North America Quiz | 0 | - | 5.00 | 892,101 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,660 |
| Most Populous Islands | 0 | - | 4.71 | 113,607 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,486 |
| Most Populous Countries in 1950 | 0 | - | 4.50 | 71,236 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,218 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,273 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,038 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,347 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,161 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,408 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 208,952 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,516,442 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 331,405 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,831 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 122,789 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,770 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,028 |
| Monarchies of Europe | 0 | - | 4.88 | 87,812 |
| Monarchies of Asia | 0 | - | 4.95 | 54,577 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,154 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 113,640 |
| Countries that Start with A | 0 | - | 4.98 | 1,965,846 |
| Countries that Start with B | 0 | - | 4.95 | 2,104,763 |
| Countries that Start with C | 0 | - | 4.96 | 1,665,451 |
| Countries that Start with D | 0 | - | 4.96 | 605,194 |
| Countries that Start with E | 0 | - | 4.95 | 1,246,955 |
| Countries that Start with G | 0 | - | 4.97 | 1,366,926 |
| Countries that Start with H | 0 | - | 4.96 | 516,237 |
| Countries that Start with I | 0 | - | 4.92 | 1,175,611 |
| Countries that Start with J | 0 | - | 4.98 | 518,838 |
| Countries that Start with K | 0 | - | 4.96 | 724,271 |
| Countries that Start with L | 0 | - | 4.98 | 983,905 |
| Countries that Start with N | 0 | - | 4.93 | 1,010,345 |
| Countries that Start with P | 0 | - | 4.95 | 1,112,667 |
| Countries that Start with S | 0 | - | 4.98 | 1,620,384 |
| Countries that Start with T | 0 | - | 4.89 | 921,353 |
| Countries that Start with U | 0 | - | 4.96 | 830,517 |
| Countries that Start with V | 0 | - | 4.98 | 556,309 |
| Countries that Start with F | 0 | - | 4.84 | 545,807 |
| Countries that Start with M | 0 | - | 4.97 | 1,267,011 |
| The Only African Country ... | 0 | - | 4.99 | 120,598 |
| The Only American Country ... | 0 | - | 4.94 | 110,935 |
| African Countries by a Single Clue | 0 | - | 4.92 | 64,031 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 66,690 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 84,919 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,202 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 122,676 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 92,856 |
| European Countries with One Border | 0 | - | 4.96 | 152,092 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 145,745 |
| Asian Countries with the Fewest Borders | 0 | - | 4.82 | 89,165 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,249 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,019 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,961 |
| Population Trivia | 0 | - | 4.35 | 26,432 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,144 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,270 |
| Biggest City by Region | 0 | - | 4.50 | 33,945 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,815 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,255 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,380 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,252 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,985 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,585 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,574 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 308,073 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,367 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,298 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,830 |
| World Capitals Quiz | 0 | - | 5.00 | 4,549,977 |
| Members of the Arab League | 0 | - | 4.85 | 65,206 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,378 |
| Himalayan Countries | 0 | - | 4.94 | 107,428 |
| Andean Countries | 0 | - | 4.91 | 59,715 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,787 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,474 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,854 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,659 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,983 |
| Danube Countries | 0 | - | 4.96 | 57,071 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,090 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,177 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,293 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,108 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,407 |
| European Landlocked Countries | 0 | - | 4.99 | 136,783 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,517 |
| Countries with the Most Species | 0 | - | 4.99 | 89,768 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,005 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,915 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,222 |
