| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,621 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,069 |
| Countries with Megacities | 0 | - | 4.99 | 246,665 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,998 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,852 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,423 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,785 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,702 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,535 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,800 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,866 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,846 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,457 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,563 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,581 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,930 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,987 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,179 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,126 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,288 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,887 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,372 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,558 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,427 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,261 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,243 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,587 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,547 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,786 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,194 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,088 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,061 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,606 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,840 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,916 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,885 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,953 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,816 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,966 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,815 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,366 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,572 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,525 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,132 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,117 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,433 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,941 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,094 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,618 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,621 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,824 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,821 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,958 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,464 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,498 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,552 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,037 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,145 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,723 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,656 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,926 |
| Olympic Host Countries | 0 | - | 4.98 | 198,861 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,795 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,501 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,364 |
| The Only European Country ... | 0 | - | 4.91 | 213,757 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,077 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,485 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,191 |
| 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 | 413,530 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,301 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,715 |
| Countries of Africa | 0 | - | 5.00 | 2,507,050 |
| Boundary Waters | 0 | - | 4.92 | 88,028 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,805 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,252 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,400 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,820 |
| Largest City by Island | 0 | - | 4.87 | 71,016 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,372 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,513 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,792 |
| Megacities on a World Map | 0 | - | 4.98 | 250,881 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,778 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,847 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,681 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,120 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,265 |
| Countries of the Middle East | 0 | - | 4.96 | 198,862 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,227 |
| Slavic Countries | 0 | - | 4.96 | 110,831 |
| African Island Countries | 0 | - | 4.96 | 100,763 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,489 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,337 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,977 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,685 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,462 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,062 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,761 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,590 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,689 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,739 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,142 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,147 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,264 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,545 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,240 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,379 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,215 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,493 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,112 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,540 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,393 |
| Most Populous Islands | 0 | - | 4.79 | 121,966 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,198 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,401 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,716 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,127 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,984 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,281 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,558 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,955 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,480 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,282 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,255 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,902,901 |
| Landlocked Countries | 0 | - | 4.99 | 413,409 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,174 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,334 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,318 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,350 |
| Monarchies of Europe | 0 | - | 4.90 | 97,294 |
| Monarchies of Asia | 0 | - | 4.97 | 70,590 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,817 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,426 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,720 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,330 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,448 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,960 |
| Countries that Start with D | 0 | - | 4.96 | 701,294 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,246 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,484 |
| Countries that Start with H | 0 | - | 4.96 | 597,752 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,059 |
| Countries that Start with J | 0 | - | 4.98 | 595,827 |
| Countries that Start with K | 0 | - | 4.97 | 809,233 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,658 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,529 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,346 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,225 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,054 |
| Countries that Start with U | 0 | - | 4.97 | 899,807 |
| Countries that Start with V | 0 | - | 4.98 | 604,973 |
| Countries that Start with F | 0 | - | 4.83 | 612,036 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,089 |
| The Only African Country ... | 0 | - | 4.99 | 128,341 |
| The Only American Country ... | 0 | - | 4.92 | 120,733 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,772 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,242 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,027 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,344 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,006 |
| European Countries with One Border | 0 | - | 4.97 | 181,589 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,501 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,080 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,148 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,977 |
| Population Trivia | 0 | - | 4.32 | 27,421 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,896 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,895 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,687 |
| Biggest City by Region | 0 | - | 4.50 | 35,992 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,893 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,525 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,108 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,423 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,548 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,012 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,217 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,914 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,765 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,248 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,812 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,174 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,496 |
| Himalayan Countries | 0 | - | 4.95 | 135,278 |
| Andean Countries | 0 | - | 4.94 | 82,788 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,193 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,140 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,858 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,566 |
| Danube Countries | 0 | - | 4.97 | 71,061 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,730 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,516 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,422 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,350 |
| European Landlocked Countries | 0 | - | 4.99 | 145,731 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,170 |
