| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,319 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,087 |
| Countries with Megacities | 0 | - | 4.99 | 248,578 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,967 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,450 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,340 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,396 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,909 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,593 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,221 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,742 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,239 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,029 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,029 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,186 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,013 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,691 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,442 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,297 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,757 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,280 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,674 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,849 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,880 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,607 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,484 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,850 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,731 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,978 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,472 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,440 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,486 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,589 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,492 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,360 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,278 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,678 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,979 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,717 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,984 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,111 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,844 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,059 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,298 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,126 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,280 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,117 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,362 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,074 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,261 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,028 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,322 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,430 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,930 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,860 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,005 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,363 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,443 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,968 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,011 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,144 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,727 |
| Olympic Host Countries | 0 | - | 4.98 | 199,379 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,168 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,161 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,450 |
| The Only European Country ... | 0 | - | 4.91 | 214,869 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,880 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,149 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,420 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,056 |
| Biggest Cities in the United States | 0 | - | 4.93 | 970,826 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,622 |
| Countries of Africa | 0 | - | 5.00 | 2,518,012 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,718 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,152 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,319 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,991 |
| Largest City by Island | 0 | - | 4.87 | 71,336 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,558 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,873 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,854 |
| Megacities on a World Map | 0 | - | 4.98 | 252,071 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,010 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,993 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,284 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,407 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,605 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,664 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,159 |
| Countries of the Middle East | 0 | - | 4.96 | 199,674 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,631 |
| Slavic Countries | 0 | - | 4.96 | 111,156 |
| African Island Countries | 0 | - | 4.96 | 101,076 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,636 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,157 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,520 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,111 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,180 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,884 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,610 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,113 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,087 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,046 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,133 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,348 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,453 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,628 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,829 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,601 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,669 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,528 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,765 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,818 |
| Boundary Waters | 0 | - | 4.92 | 88,174 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,925 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,566 |
| Most Populous Islands | 0 | - | 4.79 | 122,156 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,228 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,442 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,379 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,349 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,020 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,693 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,213 |
| Megacities on an Empty Map | 0 | - | 4.97 | 116,784 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,521 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,689 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,452 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,701 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,663 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,682 |
| Monarchies of Europe | 0 | - | 4.90 | 97,619 |
| Monarchies of Asia | 0 | - | 4.97 | 70,777 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,937 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,579 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,478 |
| Countries that Start with A | 0 | - | 4.98 | 2,152,306 |
| Countries that Start with B | 0 | - | 4.95 | 2,284,704 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,197 |
| Countries that Start with D | 0 | - | 4.96 | 704,211 |
| Countries that Start with E | 0 | - | 4.95 | 1,370,689 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,215 |
| Countries that Start with H | 0 | - | 4.96 | 600,171 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,898 |
| Countries that Start with J | 0 | - | 4.98 | 598,195 |
| Countries that Start with K | 0 | - | 4.97 | 811,432 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,411 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,339 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,980 |
| Countries that Start with S | 0 | - | 4.98 | 1,747,967 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,078 |
| Countries that Start with U | 0 | - | 4.97 | 901,452 |
| Countries that Start with V | 0 | - | 4.98 | 606,435 |
| Countries that Start with F | 0 | - | 4.83 | 614,001 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,085 |
| The Only African Country ... | 0 | - | 4.98 | 128,643 |
| The Only American Country ... | 0 | - | 4.92 | 121,100 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,890 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,411 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,279 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,810 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,411 |
| European Countries with One Border | 0 | - | 4.97 | 182,017 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,891 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,650 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,107,511 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,149 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,971 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,815 |
| Biggest City by Region | 0 | - | 4.50 | 36,052 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,982 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,668 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,251 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,095 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,036 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,089 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,272 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,046 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,270 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,309 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,892 |
| Landlocked Countries | 0 | - | 4.99 | 415,918 |
| UK Immigration by Country | 0 | - | 4.94 | 140,019 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,641 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,504 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,848 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,025 |
| Central American Countries | 0 | - | 4.98 | 155,430 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,946 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,344 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,125 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,611 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,097 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,132 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,984 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,287 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,914 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,689 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 118,512 |
