| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,186 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,399 |
| Countries with Megacities | 0 | - | 4.99 | 249,180 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,257 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,611 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,571 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,574 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,360 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,954 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,315 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,968 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,372 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,112 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,122 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,668 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,325 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,590 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,401 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,951 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,357 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,907 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,427 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,773 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,934 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,064 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,815 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,746 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 88,722 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,920 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,173 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,740 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,545 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,628 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,709 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,033 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,194 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,850 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,688 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,523 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,386 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,041 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,834 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,292 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,339 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,365 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,332 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,297 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,187 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,449 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,203 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,474 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,413 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,512 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,892 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,084 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,981 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,165 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,475 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,532 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,062 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,123 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,345 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,023 |
| Olympic Host Countries | 0 | - | 4.98 | 199,673 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,306 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,378 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 306,341 |
| The Only European Country ... | 0 | - | 4.91 | 215,266 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,178 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,390 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,484 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,737 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,175 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,507 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,449 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,943 |
| Countries of Africa | 0 | - | 5.00 | 2,522,449 |
| Boundary Waters | 0 | - | 4.92 | 88,250 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,982 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,678 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,585 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,528 |
| Largest City by Island | 0 | - | 4.87 | 71,437 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,622 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,004 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,004 |
| Megacities on a World Map | 0 | - | 4.98 | 252,435 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,048 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,416 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,706 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,793 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,533 |
| Countries of the Middle East | 0 | - | 4.96 | 199,927 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,783 |
| Slavic Countries | 0 | - | 4.96 | 111,288 |
| African Island Countries | 0 | - | 4.96 | 101,198 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,697 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,414 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,864 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,366 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,015 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,801 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,329 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,283 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,190 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,267 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,419 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,548 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,739 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,932 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,717 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,759 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,606 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,862 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,655 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,752 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,747 |
| Most Populous Islands | 0 | - | 4.80 | 122,575 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,251 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,468 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,859 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,478 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,455 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,199 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,760 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,756 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,545 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,605 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,869 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,185,427 |
| Landlocked Countries | 0 | - | 4.99 | 416,943 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,561 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,819 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,757 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,758 |
| Monarchies of Europe | 0 | - | 4.90 | 97,726 |
| Monarchies of Asia | 0 | - | 4.97 | 70,850 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,003 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,651 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,761 |
| Countries that Start with A | 0 | - | 4.98 | 2,154,580 |
| Countries that Start with B | 0 | - | 4.95 | 2,286,763 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,866 |
| Countries that Start with D | 0 | - | 4.96 | 705,358 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,095 |
| Countries that Start with G | 0 | - | 4.97 | 1,497,617 |
| Countries that Start with H | 0 | - | 4.96 | 601,133 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,975 |
| Countries that Start with J | 0 | - | 4.98 | 599,128 |
| Countries that Start with K | 0 | - | 4.97 | 812,272 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,433 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,441 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,247 |
| Countries that Start with S | 0 | - | 4.98 | 1,749,423 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,907 |
| Countries that Start with U | 0 | - | 4.97 | 902,098 |
| Countries that Start with V | 0 | - | 4.98 | 607,279 |
| Countries that Start with F | 0 | - | 4.83 | 614,794 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,270 |
| The Only African Country ... | 0 | - | 4.99 | 128,729 |
| The Only American Country ... | 0 | - | 4.92 | 121,199 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,941 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,490 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,456 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,978 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,536 |
| European Countries with One Border | 0 | - | 4.97 | 182,171 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,036 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,748 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,391 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,388 |
| Population Trivia | 0 | - | 4.32 | 27,456 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,238 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,001 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,856 |
| Biggest City by Region | 0 | - | 4.50 | 36,076 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,011 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,711 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,296 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,307 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,184 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,112 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,290 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,088 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,455 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,324 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,949 |
| World Capitals Quiz | 0 | - | 5.00 | 5,052,185 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,060 |
| Himalayan Countries | 0 | - | 4.95 | 136,618 |
| Andean Countries | 0 | - | 4.95 | 83,547 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,801 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,089 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,471 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,064 |
| Danube Countries | 0 | - | 4.97 | 71,463 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,269 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,871 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,216 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,204 |
