| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,696 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,864 |
| Countries with Megacities | 0 | - | 4.99 | 248,102 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,740 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,326 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,129 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,273 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,692 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,317 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,138 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,516 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,138 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,618 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,933 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,505 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,076 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,319 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,709 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,558 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,258 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,639 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,180 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,608 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,779 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,747 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,523 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,424 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,787 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,691 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,943 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,398 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,344 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,377 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,665 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,941 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,062 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,386 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,324 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,171 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,164 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,925 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,622 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,772 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,895 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,452 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,225 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,764 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,077 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,287 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,973 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,116 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,731 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,217 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,063 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,829 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,760 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,874 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,276 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,367 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,896 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,919 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,516 |
| Olympic Host Countries | 0 | - | 4.98 | 199,190 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,026 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,974 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,817 |
| The Only European Country ... | 0 | - | 4.91 | 214,563 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,633 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,973 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,371 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,700 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,130 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,647 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,471 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,373 |
| Countries of Africa | 0 | - | 5.00 | 2,514,739 |
| Boundary Waters | 0 | - | 4.92 | 88,125 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,895 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,486 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,064 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,093 |
| Largest City by Island | 0 | - | 4.87 | 71,242 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,515 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,791 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,700 |
| Megacities on a World Map | 0 | - | 4.98 | 251,713 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,941 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,148 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,206 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,442 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,914 |
| Countries of the Middle East | 0 | - | 4.96 | 199,418 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,516 |
| Slavic Countries | 0 | - | 4.96 | 111,058 |
| African Island Countries | 0 | - | 4.96 | 100,981 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,598 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,973 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,326 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,023 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,726 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,448 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,006 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,924 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,940 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,002 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,272 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,351 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,522 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,743 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,500 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,583 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,444 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,678 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,489 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,787 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,847 |
| Most Populous Islands | 0 | - | 4.79 | 122,091 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,225 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,434 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,791 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,293 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,250 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,867 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,655 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,877 |
| Megacities on an Empty Map | 0 | - | 4.97 | 113,961 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,469 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,563 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,045,011 |
| Landlocked Countries | 0 | - | 4.99 | 415,224 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,361 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,572 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,494 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,582 |
| Monarchies of Europe | 0 | - | 4.90 | 97,521 |
| Monarchies of Asia | 0 | - | 4.97 | 70,719 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,903 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,535 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,239 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,593 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,185 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,981 |
| Countries that Start with D | 0 | - | 4.96 | 703,399 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,705 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,148 |
| Countries that Start with H | 0 | - | 4.96 | 599,473 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,079 |
| Countries that Start with J | 0 | - | 4.98 | 597,524 |
| Countries that Start with K | 0 | - | 4.97 | 810,765 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,620 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,557 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,207 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,912 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,490 |
| Countries that Start with U | 0 | - | 4.97 | 900,956 |
| Countries that Start with V | 0 | - | 4.98 | 606,041 |
| Countries that Start with F | 0 | - | 4.83 | 613,468 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,257 |
| The Only African Country ... | 0 | - | 4.99 | 128,534 |
| The Only American Country ... | 0 | - | 4.92 | 120,980 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,851 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,347 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,197 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,660 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,291 |
| European Countries with One Border | 0 | - | 4.97 | 181,876 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,782 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,557 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,279 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,189 |
| Population Trivia | 0 | - | 4.32 | 27,437 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,080 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,947 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,785 |
| Biggest City by Region | 0 | - | 4.50 | 36,037 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,959 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,630 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,213 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,915 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,904 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,066 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,257 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,003 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,137 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,290 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,869 |
| World Capitals Quiz | 0 | - | 5.00 | 5,041,899 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,238 |
| Himalayan Countries | 0 | - | 4.95 | 135,925 |
| Andean Countries | 0 | - | 4.94 | 83,144 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,466 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,594 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,169 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,815 |
| Danube Countries | 0 | - | 4.97 | 71,251 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,980 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,699 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,836 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,767 |
| European Landlocked Countries | 0 | - | 4.99 | 145,948 |