| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,644 |
| Countries with Megacities | 0 | - | 4.99 | 199,851 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,440 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,014 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,025 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,984 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,651 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,320,549 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,476 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,804 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,860 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,845 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,879 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,401 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,626 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,689 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,332 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,789 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,050 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,548 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 81,913 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,295 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 71,829 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,555 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,293 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,037 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,577 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,981 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 67,300 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,602 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 144,796 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 146,946 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,792 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,082 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.90 | 7,129 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 207,807 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 162,936 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,236 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,812 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,116 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,072 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,850 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,486 |
| Biggest Cities in the World | 0 | - | 4.90 | 695,132 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,195 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 93,682 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,124 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,575 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,236 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,162 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 172,147 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,210 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,067 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,954 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,550 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,167 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,738 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,715 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,769 |
| Olympic Host Countries | 0 | - | 4.98 | 163,316 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,136 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 236,789 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,498 |
| The Only European Country ... | 0 | - | 4.93 | 181,105 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,395 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,049 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 67,363 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,010 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,213 |
| Biggest Cities in the United States | 0 | - | 4.93 | 841,938 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 336,866 |
| Countries of Africa | 0 | - | 5.00 | 2,194,489 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,578 |
| Boundary Waters | 0 | - | 4.93 | 81,576 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,773 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,628 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,110 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,139 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,599 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,754 |
| Megacities on a World Map | 0 | - | 4.98 | 222,322 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,393 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,092 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,587 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,280 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 188,653 |
| Countries of the Middle East | 0 | - | 4.96 | 175,562 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,708 |
| Slavic Countries | 0 | - | 4.96 | 101,165 |
| African Island Countries | 0 | - | 4.96 | 90,394 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,736 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 32,295 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,043 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,549 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 120,691 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 127,800 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 199,756 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 179,109 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 141,937 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,568 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,458 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 139,533 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 105,866 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 148,708 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,652 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,605 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 518,925 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,198,249 |
| Countries of North America Quiz | 0 | - | 5.00 | 889,502 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,572 |
| Most Populous Islands | 0 | - | 4.71 | 113,414 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,468 |
| Most Populous Countries in 1950 | 0 | - | 4.50 | 71,163 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,092 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,090 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,790 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,036 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,005 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,242 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 208,535 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,383,449 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 329,935 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,671 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 122,497 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,573 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 85,843 |
| Monarchies of Europe | 0 | - | 4.88 | 87,641 |
| Monarchies of Asia | 0 | - | 4.95 | 54,459 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,051 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 113,227 |
| Countries that Start with A | 0 | - | 4.98 | 1,960,491 |
| Countries that Start with B | 0 | - | 4.95 | 2,099,522 |
| Countries that Start with C | 0 | - | 4.96 | 1,661,056 |
| Countries that Start with D | 0 | - | 4.96 | 602,430 |
| Countries that Start with E | 0 | - | 4.95 | 1,243,548 |
| Countries that Start with G | 0 | - | 4.97 | 1,363,184 |
| Countries that Start with H | 0 | - | 4.96 | 513,836 |
| Countries that Start with I | 0 | - | 4.92 | 1,172,439 |
| Countries that Start with J | 0 | - | 4.98 | 516,560 |
| Countries that Start with K | 0 | - | 4.96 | 721,527 |
| Countries that Start with L | 0 | - | 4.98 | 981,151 |
| Countries that Start with N | 0 | - | 4.93 | 1,007,306 |
| Countries that Start with P | 0 | - | 4.95 | 1,109,936 |
| Countries that Start with S | 0 | - | 4.98 | 1,616,620 |
| Countries that Start with T | 0 | - | 4.89 | 918,587 |
| Countries that Start with U | 0 | - | 4.96 | 828,516 |
| Countries that Start with V | 0 | - | 4.98 | 554,867 |
| Countries that Start with F | 0 | - | 4.83 | 543,932 |
| Countries that Start with M | 0 | - | 4.97 | 1,263,994 |
| The Only African Country ... | 0 | - | 4.99 | 118,336 |
| The Only American Country ... | 0 | - | 4.94 | 110,617 |
| African Countries by a Single Clue | 0 | - | 4.92 | 63,900 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 66,553 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 84,727 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,069 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 122,342 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 92,600 |
| European Countries with One Border | 0 | - | 4.96 | 151,844 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 145,474 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 88,987 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,056 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,870 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,939 |
| Population Trivia | 0 | - | 4.35 | 26,402 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,073 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,228 |
| Biggest City by Region | 0 | - | 4.50 | 33,888 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,729 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,139 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,271 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 201,804 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,611 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,525 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,369 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,263 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 98,938 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,234 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,751 |
| World Capitals Quiz | 0 | - | 5.00 | 4,537,220 |
| Members of the Arab League | 0 | - | 4.85 | 64,595 |
| Sahara Desert Countries | 0 | - | 4.97 | 128,922 |
| Himalayan Countries | 0 | - | 4.95 | 106,868 |
| Andean Countries | 0 | - | 4.91 | 59,428 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,495 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,267 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,628 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,537 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,837 |
| Danube Countries | 0 | - | 4.96 | 56,987 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,007 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,112 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,044 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,942 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,230 |
| European Landlocked Countries | 0 | - | 4.99 | 136,466 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,356 |
| Countries with the Most Species | 0 | - | 4.99 | 89,702 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,858 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,882 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,175 |
