| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,546 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,030 |
| Countries with Megacities | 0 | - | 4.99 | 246,591 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,955 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,824 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,395 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,767 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,585 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,501 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,787 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,843 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,831 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,449 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,554 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,566 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,952 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,166 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,916 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,119 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,274 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,874 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,364 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,545 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,413 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,254 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,230 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,575 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,538 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,774 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,176 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,080 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,053 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,864 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,936 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,800 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,961 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,602 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,811 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,351 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,837 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,914 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,565 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,511 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,052 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,933 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,113 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,429 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,088 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,610 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,602 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,802 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,811 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,932 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,455 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,490 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,541 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,027 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,134 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,721 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,643 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,911 |
| Olympic Host Countries | 0 | - | 4.98 | 198,844 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,783 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,484 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,289 |
| The Only European Country ... | 0 | - | 4.91 | 213,732 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,055 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,466 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,184 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,495 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,224 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,705 |
| Countries of Africa | 0 | - | 5.00 | 2,506,785 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,650 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,083 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,382 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,809 |
| Largest City by Island | 0 | - | 4.87 | 71,010 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,360 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,508 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,581 |
| Megacities on a World Map | 0 | - | 4.98 | 250,842 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,060 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,775 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,837 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,656 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,116 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,459 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,240 |
| Countries of the Middle East | 0 | - | 4.96 | 198,845 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,220 |
| Slavic Countries | 0 | - | 4.96 | 110,825 |
| African Island Countries | 0 | - | 4.96 | 100,751 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,485 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,304 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,961 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,888 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,262 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,322 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,291 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,672 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,452 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,048 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,753 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,583 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,677 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,734 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,136 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,142 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,257 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,541 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,228 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,377 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,207 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,482 |
| Australian States and Territories | 0 | - | 4.95 | 140,656 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,739 |
| Counties of England | 0 | - | 4.97 | 788,939 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,793 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,135 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,711 |
| Boundary Waters | 0 | - | 4.92 | 88,026 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,798 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,245 |
| Most Populous Islands | 0 | - | 4.79 | 121,957 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,197 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,400 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,117 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,974 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,261 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,553 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,908 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,474 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,277 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,246 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,162 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,322 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,313 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,345 |
| Monarchies of Europe | 0 | - | 4.90 | 97,288 |
| Monarchies of Asia | 0 | - | 4.97 | 70,587 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,813 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,705 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,180 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,311 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,851 |
| Countries that Start with D | 0 | - | 4.96 | 701,221 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,151 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,389 |
| Countries that Start with H | 0 | - | 4.96 | 597,682 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,991 |
| Countries that Start with J | 0 | - | 4.98 | 595,757 |
| Countries that Start with K | 0 | - | 4.97 | 809,171 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,597 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,454 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,289 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,135 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,003 |
| Countries that Start with U | 0 | - | 4.97 | 899,765 |
| Countries that Start with V | 0 | - | 4.98 | 604,932 |
| Countries that Start with F | 0 | - | 4.83 | 611,977 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,025 |
| The Only African Country ... | 0 | - | 4.99 | 128,332 |
| The Only American Country ... | 0 | - | 4.92 | 120,725 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,767 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,236 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,022 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,329 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,998 |
| European Countries with One Border | 0 | - | 4.97 | 181,580 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,489 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,072 |
| Regions of Italy | 0 | - | 4.92 | 74,672 |
| States of India | 0 | - | 4.94 | 189,954 |
| Japanese Prefectures | 0 | - | 4.98 | 134,494 |
| Provinces of China | 0 | - | 4.97 | 200,023 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,282 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,885 |
| States of Germany | 0 | - | 4.96 | 149,970 |
| Regions of New Zealand | 0 | - | 4.85 | 28,120 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,105 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,910 |
| Provinces of Turkey | 0 | - | 4.95 | 200,877 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,895 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,898,364 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,888 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,893 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,681 |
| Biggest City by Region | 0 | - | 4.50 | 35,990 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,892 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,523 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,105 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,406 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,540 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,008 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,215 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,907 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,752 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,248 |
