| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,949 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,638 |
| Countries with Megacities | 0 | - | 4.99 | 249,686 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,472 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,758 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,810 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,729 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,638 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,310 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,414 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,144 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,516 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,177 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,227 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,792 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,501 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,722 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,733 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,181 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,425 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,038 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,564 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,863 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,040 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,323 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,986 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,984 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 91,849 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,082 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,352 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,965 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,667 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,758 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,732 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,069 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,248 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,133 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,240 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,755 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,495 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,099 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,923 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,478 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,594 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,357 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,367 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,406 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,259 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,540 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,321 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,655 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,701 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,692 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,290 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,203 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,072 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,277 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,547 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,654 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,131 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,234 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,596 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,265 |
| Olympic Host Countries | 0 | - | 4.98 | 199,909 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,447 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,592 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,074 |
| The Only European Country ... | 0 | - | 4.91 | 215,634 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,469 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,558 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,530 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,767 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,190 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,908 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,888 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,185 |
| Countries of Africa | 0 | - | 5.00 | 2,526,063 |
| Boundary Waters | 0 | - | 4.92 | 88,325 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,037 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,784 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,818 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,777 |
| Largest City by Island | 0 | - | 4.87 | 71,538 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,673 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,499 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,113 |
| Megacities on a World Map | 0 | - | 4.98 | 252,775 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,111 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,548 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,904 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,918 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,829 |
| Countries of the Middle East | 0 | - | 4.96 | 200,507 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,874 |
| Slavic Countries | 0 | - | 4.96 | 111,379 |
| African Island Countries | 0 | - | 4.96 | 101,302 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,746 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,580 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.85 | 46,107 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,506 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,140 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,979 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,489 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,462 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,297 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,389 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,469 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,684 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,845 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,041 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,859 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,853 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,709 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,963 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,249 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,887 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,038 |
| Most Populous Islands | 0 | - | 4.80 | 122,702 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,263 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,482 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,893 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,566 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,564 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,386 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,804 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,145 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,843 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,673 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,015 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,248,648 |
| Landlocked Countries | 0 | - | 4.99 | 417,737 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,632 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,937 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,833 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,833 |
| Monarchies of Europe | 0 | - | 4.90 | 97,824 |
| Monarchies of Asia | 0 | - | 4.97 | 70,906 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,060 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,719 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,012 |
| Countries that Start with A | 0 | - | 4.98 | 2,156,495 |
| Countries that Start with B | 0 | - | 4.95 | 2,288,563 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,320 |
| Countries that Start with D | 0 | - | 4.96 | 706,354 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,313 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,900 |
| Countries that Start with H | 0 | - | 4.96 | 601,987 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,956 |
| Countries that Start with J | 0 | - | 4.98 | 599,923 |
| Countries that Start with K | 0 | - | 4.97 | 813,050 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,747 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,512 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,145 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,757 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,602 |
| Countries that Start with U | 0 | - | 4.97 | 902,667 |
| Countries that Start with V | 0 | - | 4.98 | 607,770 |
| Countries that Start with F | 0 | - | 4.83 | 615,497 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,305 |
| The Only African Country ... | 0 | - | 4.98 | 128,826 |
| The Only American Country ... | 0 | - | 4.92 | 121,291 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,992 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,563 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,577 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,122 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,658 |
| European Countries with One Border | 0 | - | 4.97 | 182,333 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,170 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,855 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,446 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,504 |
| Population Trivia | 0 | - | 4.32 | 27,464 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,311 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,024 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,887 |
| Biggest City by Region | 0 | - | 4.50 | 36,096 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,024 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,741 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,347 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,494 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,314 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,132 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,304 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,129 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,624 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,335 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 41,994 |
| World Capitals Quiz | 0 | - | 5.00 | 5,057,161 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,415 |
| Himalayan Countries | 0 | - | 4.94 | 136,920 |
| Andean Countries | 0 | - | 4.95 | 83,680 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,942 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,277 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,604 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,191 |
| Danube Countries | 0 | - | 4.97 | 71,533 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,368 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,946 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,417 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,474 |