| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,105 |
| Countries with Megacities | 0 | - | 4.99 | 213,800 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,043 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,785 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,268 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,493 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 265,882 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,368,601 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 361,842 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,772 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,213 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,627 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 106,929 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 86,892 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 144,844 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 115,886 |
| Countries of Europe by Population | 0 | - | 4.98 | 142,494 |
| Most Populous Countries by Year | 0 | - | 4.81 | 100,941 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,156 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 102,343 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 99,387 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 106,173 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 83,750 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 212,928 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 128,958 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 71,711 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 79,605 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 56,030 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 69,671 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 91,286 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 158,374 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 162,137 |
| Countries by Population Decrease | 0 | - | 4.46 | 48,154 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.56 | 61,327 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 18,903 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 217,606 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 170,878 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 167,990 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 97,538 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 103,799 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 152,180 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 167,364 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,525 |
| Biggest Cities in the World | 0 | - | 4.91 | 736,727 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 81,706 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 96,405 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 53,357 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 121,483 |
| Biggest City by Time Zone | 0 | - | 4.85 | 59,998 |
| Biggest City in Every Country | 0 | - | 4.98 | 87,578 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 184,717 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 99,935 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 107,789 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 71,529 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 77,534 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 71,224 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 44,768 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.90 | 64,092 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,477 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 60,619 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,284 |
| Olympic Host Countries | 0 | - | 4.98 | 187,303 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,166 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 253,345 |
| The Only European Country ... | 0 | - | 4.92 | 194,159 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 200,749 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 89,009 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 69,015 |
| Demographics Multiple Choice | 0 | - | 4.68 | 40,992 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 392,772 |
| Biggest Cities in the United States | 0 | - | 4.93 | 895,479 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 348,472 |
| Countries of Africa | 0 | - | 5.00 | 2,318,179 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 24,271 |
| Boundary Waters | 0 | - | 4.93 | 84,416 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 32,214 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 79,907 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 113,769 |
| Biggest Cities by Language | 0 | - | 4.95 | 222,101 |
| Largest City by Island | 0 | - | 4.90 | 64,396 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,012 |
| Most Populous World Capitals | 0 | - | 4.93 | 167,846 |
| Biggest European Cities by Century | 0 | - | 4.98 | 123,883 |
| Megacities on a World Map | 0 | - | 4.98 | 230,519 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,343 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 68,306 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 97,832 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 158,697 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 199,909 |
| Countries of the Middle East | 0 | - | 4.95 | 185,057 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 80,961 |
| Slavic Countries | 0 | - | 4.96 | 105,138 |
| African Island Countries | 0 | - | 4.96 | 94,746 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 39,769 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 117,973 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 99,709 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 127,025 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 133,302 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 206,603 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,418 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 146,704 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 109,701 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 137,563 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 144,125 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 110,164 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 153,575 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 93,476 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 101,675 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 542,770 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,252,874 |
| Countries of North America Quiz | 0 | - | 5.00 | 938,545 |
| Most Populous Islands | 0 | - | 4.75 | 117,278 |
| Islands by Largest City #1 | 0 | - | 4.46 | 92,946 |
| Most Populous Countries in 1950 | 0 | - | 4.53 | 72,638 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 28,740 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 68,171 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 160,330 |
| Biggest Cities in Asia | 0 | - | 4.94 | 102,482 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 46,508 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 321,429 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,096 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,017 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 216,099 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,608,874 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 373,236 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 118,646 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 127,830 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,254 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 100,376 |
| Monarchies of Europe | 0 | - | 4.89 | 92,117 |
| Monarchies of Asia | 0 | - | 4.96 | 67,519 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 53,310 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 121,829 |
| Countries that Start with A | 0 | - | 4.98 | 2,041,692 |
| Countries that Start with B | 0 | - | 4.95 | 2,179,776 |
| Countries that Start with C | 0 | - | 4.96 | 1,728,244 |
| Countries that Start with D | 0 | - | 4.96 | 646,259 |
| Countries that Start with E | 0 | - | 4.95 | 1,298,668 |
| Countries that Start with G | 0 | - | 4.97 | 1,420,506 |
| Countries that Start with H | 0 | - | 4.96 | 551,104 |
| Countries that Start with I | 0 | - | 4.92 | 1,222,971 |
| Countries that Start with J | 0 | - | 4.98 | 551,783 |
| Countries that Start with K | 0 | - | 4.96 | 761,447 |
| Countries that Start with L | 0 | - | 4.98 | 1,026,436 |
| Countries that Start with N | 0 | - | 4.93 | 1,053,170 |
| Countries that Start with P | 0 | - | 4.95 | 1,153,894 |
| Countries that Start with S | 0 | - | 4.98 | 1,673,473 |
| Countries that Start with T | 0 | - | 4.89 | 960,098 |
| Countries that Start with U | 0 | - | 4.97 | 862,362 |
| Countries that Start with V | 0 | - | 4.98 | 576,557 |
| Countries that Start with F | 0 | - | 4.83 | 573,510 |
| Countries that Start with M | 0 | - | 4.97 | 1,312,382 |
| The Only African Country ... | 0 | - | 4.98 | 123,852 |
| The Only American Country ... | 0 | - | 4.93 | 114,671 |
| African Countries by a Single Clue | 0 | - | 4.91 | 65,560 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 69,065 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 88,902 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 128,346 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.88 | 97,925 |
| European Countries with One Border | 0 | - | 4.97 | 173,422 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 151,118 |
| Countries Closest to Africa | 0 | - | 4.96 | 150,011 |
| World Geography on a Map #1 | 0 | - | 4.93 | 70,180 |
| Islands by Largest City #2 | 0 | - | 4.74 | 28,377 |
| Population Trivia | 0 | - | 4.34 | 26,863 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 99,949 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 44,042 |
| Biggest City by Region | 0 | - | 4.49 | 34,770 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,310 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.81 | 66,056 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,359 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 210,571 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 127,310 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,946 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,320 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 80,341 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 105,678 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,202 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 40,079 |
| World Capitals Quiz | 0 | - | 5.00 | 4,748,604 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,196 |
| Himalayan Countries | 0 | - | 4.95 | 118,361 |
| Andean Countries | 0 | - | 4.92 | 66,274 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,372 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 54,992 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,184 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,054 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,747 |
| Danube Countries | 0 | - | 4.97 | 59,790 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,463 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,858 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,100 |
| Countries with the Worst Passports | 0 | - | 4.91 | 60,188 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,171 |
| European Landlocked Countries | 0 | - | 4.99 | 139,744 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,214 |
| Countries with the Most Species | 0 | - | 4.99 | 91,646 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,702 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,259 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,388 |
