| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,490 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,001 |
| Countries with Megacities | 0 | - | 4.99 | 246,544 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,923 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,801 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,373 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,761 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,515 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,484 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,780 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,832 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,828 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,444 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,545 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,209 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,555 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,938 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,155 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,908 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,115 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,265 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,862 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,359 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,543 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,406 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,243 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,222 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,569 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,530 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,769 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,167 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,073 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,040 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,668 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,447 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,038 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,853 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,927 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,795 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,958 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,807 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,341 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,836 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,911 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,556 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,509 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,007 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,932 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,111 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,083 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,604 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,593 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,787 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,802 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,919 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,448 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,485 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,533 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,023 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,132 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,719 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,642 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,898 |
| Olympic Host Countries | 0 | - | 4.98 | 198,839 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,474 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,247 |
| The Only European Country ... | 0 | - | 4.91 | 213,715 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,040 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,457 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,181 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,488 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,166 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,695 |
| Countries of Africa | 0 | - | 5.00 | 2,506,597 |
| Countries with Four Letters | 0 | - | 4.99 | 418,379 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,650 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,082 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,370 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,805 |
| Largest City by Island | 0 | - | 4.87 | 71,009 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,358 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,501 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,474 |
| Megacities on a World Map | 0 | - | 4.98 | 250,829 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,036 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,772 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,832 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,649 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,112 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,422 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,231 |
| Countries of the Middle East | 0 | - | 4.96 | 198,838 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,216 |
| Slavic Countries | 0 | - | 4.96 | 110,820 |
| African Island Countries | 0 | - | 4.96 | 100,746 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,482 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,286 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,955 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,258 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,867 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,701 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,744 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,573 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,672 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,730 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,133 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,138 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,540 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,218 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,375 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,201 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,479 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,708 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,798 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,241 |
| Most Populous Islands | 0 | - | 4.79 | 121,955 |
| 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 | 166,970 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,247 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,549 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,890 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,470 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,272 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,242 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,155 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,316 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,308 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,340 |
| Monarchies of Europe | 0 | - | 4.90 | 97,281 |
| Monarchies of Asia | 0 | - | 4.97 | 70,581 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,808 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,744 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,693 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,069 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,217 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,793 |
| Countries that Start with D | 0 | - | 4.96 | 701,175 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,094 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,315 |
| Countries that Start with H | 0 | - | 4.96 | 597,639 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,936 |
| Countries that Start with J | 0 | - | 4.98 | 595,702 |
| Countries that Start with K | 0 | - | 4.97 | 809,132 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,553 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,413 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,253 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,082 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,972 |
| Countries that Start with U | 0 | - | 4.97 | 899,737 |
| Countries that Start with V | 0 | - | 4.98 | 604,908 |
| Countries that Start with F | 0 | - | 4.83 | 611,943 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,966 |
| The Only African Country ... | 0 | - | 4.99 | 128,330 |
| The Only American Country ... | 0 | - | 4.92 | 120,720 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,765 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,232 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,017 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,319 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,993 |
| European Countries with One Border | 0 | - | 4.97 | 181,573 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,482 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,068 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,895,321 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,881 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,892 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,677 |
| Biggest City by Region | 0 | - | 4.50 | 35,990 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,891 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,520 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,100 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,398 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,536 |
| 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 | 82,903 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,748 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,247 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,807 |
| Landlocked Countries | 0 | - | 4.99 | 413,321 |
| UK Immigration by Country | 0 | - | 4.94 | 139,554 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,560 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,255 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,630 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,781 |
| Central American Countries | 0 | - | 4.98 | 154,993 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,619 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,732 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,008 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,195 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,837 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,032 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,786 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,947 |
