| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,631 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,512 |
| Countries with Megacities | 0 | - | 4.99 | 249,466 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,360 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,684 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,693 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,648 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,019 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,134 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,365 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,060 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,445 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,140 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,182 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,730 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,405 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,661 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,565 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,072 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,384 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,978 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,499 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,818 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,980 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,146 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,924 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,926 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 91,205 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,033 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,301 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,901 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,598 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,692 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,721 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,055 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,217 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,974 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,829 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,620 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,441 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,072 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,877 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,423 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,490 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,887 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,351 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,353 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,228 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,494 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,269 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,569 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,568 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,606 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,112 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,139 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,028 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,220 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,513 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,580 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,100 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,177 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,455 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,153 |
| Olympic Host Countries | 0 | - | 4.98 | 199,815 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,378 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,487 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 306,730 |
| The Only European Country ... | 0 | - | 4.91 | 215,448 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,319 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,481 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,508 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,750 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,181 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,720 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,170 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,052 |
| Countries of Africa | 0 | - | 5.00 | 2,524,279 |
| Boundary Waters | 0 | - | 4.92 | 88,294 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,014 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,720 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,716 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,660 |
| Largest City by Island | 0 | - | 4.87 | 71,501 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,653 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,440 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,066 |
| Megacities on a World Map | 0 | - | 4.98 | 252,594 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,079 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,485 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,809 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,863 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,685 |
| Countries of the Middle East | 0 | - | 4.96 | 200,100 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,830 |
| Slavic Countries | 0 | - | 4.96 | 111,334 |
| African Island Countries | 0 | - | 4.96 | 101,249 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,722 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,494 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,002 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,434 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,079 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,875 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,418 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,369 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,249 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,320 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,443 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,606 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,786 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,993 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,797 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,806 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,654 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,909 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,943 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,391 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,375 |
| Most Populous Islands | 0 | - | 4.80 | 122,667 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,257 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,475 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,876 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,517 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,521 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,302 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,786 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,936 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,728 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,638 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,947 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,217,571 |
| Landlocked Countries | 0 | - | 4.99 | 417,326 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,591 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,883 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,795 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,797 |
| Monarchies of Europe | 0 | - | 4.90 | 97,778 |
| Monarchies of Asia | 0 | - | 4.97 | 70,880 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,035 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,694 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,883 |
| Countries that Start with A | 0 | - | 4.98 | 2,155,583 |
| Countries that Start with B | 0 | - | 4.95 | 2,287,699 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,608 |
| Countries that Start with D | 0 | - | 4.96 | 705,839 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,709 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,232 |
| Countries that Start with H | 0 | - | 4.96 | 601,519 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,423 |
| Countries that Start with J | 0 | - | 4.98 | 599,492 |
| Countries that Start with K | 0 | - | 4.97 | 812,645 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,934 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,918 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,690 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,088 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,240 |
| Countries that Start with U | 0 | - | 4.97 | 902,388 |
| Countries that Start with V | 0 | - | 4.98 | 607,537 |
| Countries that Start with F | 0 | - | 4.83 | 615,115 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,787 |
| The Only African Country ... | 0 | - | 4.99 | 128,773 |
| The Only American Country ... | 0 | - | 4.92 | 121,247 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,962 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,528 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,517 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,060 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,601 |
| European Countries with One Border | 0 | - | 4.97 | 182,247 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,100 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,800 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,430 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,445 |
| Population Trivia | 0 | - | 4.32 | 27,460 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,282 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,012 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,870 |
| Biggest City by Region | 0 | - | 4.50 | 36,085 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,018 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,727 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,325 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,391 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,250 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,122 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,300 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,111 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,542 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,330 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 41,969 |
| World Capitals Quiz | 0 | - | 5.00 | 5,054,660 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,243 |
| Himalayan Countries | 0 | - | 4.95 | 136,780 |
| Andean Countries | 0 | - | 4.95 | 83,615 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,873 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,175 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,544 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,136 |
| Danube Countries | 0 | - | 4.97 | 71,490 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,318 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,910 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,314 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,312 |