| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,032 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,661 |
| Countries with Megacities | 0 | - | 4.99 | 249,736 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,502 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,774 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,831 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,753 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,782 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,345 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,422 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,160 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,530 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,181 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,233 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,799 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,519 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,739 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,779 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,211 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,433 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,056 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,578 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,877 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,056 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,437 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,004 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,997 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 91,963 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,090 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,365 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,984 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,671 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,772 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,737 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,078 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,254 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,160 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,258 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,780 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,507 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,106 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,938 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,489 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,625 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,484 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,369 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,409 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,266 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,552 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,333 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,673 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,737 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,711 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,330 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,213 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,081 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,290 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,553 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,663 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,138 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,247 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,620 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,296 |
| Olympic Host Countries | 0 | - | 4.98 | 199,926 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,464 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,610 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,176 |
| The Only European Country ... | 0 | - | 4.91 | 215,665 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,493 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,573 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,532 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,768 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,191 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,952 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,056 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,215 |
| Countries of Africa | 0 | - | 5.00 | 2,526,541 |
| Boundary Waters | 0 | - | 4.92 | 88,330 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,043 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,791 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,843 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,791 |
| Largest City by Island | 0 | - | 4.87 | 71,550 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,682 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,508 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,121 |
| Megacities on a World Map | 0 | - | 4.98 | 252,807 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,124 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,562 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,930 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,936 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,860 |
| Countries of the Middle East | 0 | - | 4.96 | 200,536 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,880 |
| Slavic Countries | 0 | - | 4.96 | 111,391 |
| African Island Countries | 0 | - | 4.96 | 101,317 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,752 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,601 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.85 | 46,131 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,524 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,151 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,996 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,507 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,483 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,311 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,401 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,473 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,693 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,853 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,052 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,873 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,862 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,728 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,968 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,308 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,000 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,246 |
| Most Populous Islands | 0 | - | 4.80 | 122,710 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,263 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,483 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,896 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,578 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,572 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,396 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,810 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,175 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,871 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,677 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,026 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,256,770 |
| Landlocked Countries | 0 | - | 4.99 | 417,863 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,641 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,949 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,844 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,844 |
| Monarchies of Europe | 0 | - | 4.90 | 97,839 |
| Monarchies of Asia | 0 | - | 4.97 | 70,914 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,066 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,730 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,038 |
| Countries that Start with A | 0 | - | 4.98 | 2,156,709 |
| Countries that Start with B | 0 | - | 4.95 | 2,288,757 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,506 |
| Countries that Start with D | 0 | - | 4.96 | 706,477 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,440 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,046 |
| Countries that Start with H | 0 | - | 4.96 | 602,085 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,065 |
| Countries that Start with J | 0 | - | 4.98 | 600,021 |
| Countries that Start with K | 0 | - | 4.97 | 813,153 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,850 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,694 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,237 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,886 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,679 |
| Countries that Start with U | 0 | - | 4.97 | 902,716 |
| Countries that Start with V | 0 | - | 4.98 | 607,826 |
| Countries that Start with F | 0 | - | 4.83 | 615,572 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,427 |
| The Only African Country ... | 0 | - | 4.98 | 128,840 |
| The Only American Country ... | 0 | - | 4.92 | 121,304 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,002 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,568 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,585 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,133 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,670 |
| European Countries with One Border | 0 | - | 4.97 | 182,352 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,192 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,866 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,454 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,511 |
| Population Trivia | 0 | - | 4.32 | 27,465 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,323 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,025 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,889 |
| Biggest City by Region | 0 | - | 4.50 | 36,097 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,024 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,744 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,349 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,512 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,329 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,133 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,306 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,131 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,634 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,337 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,002 |
| World Capitals Quiz | 0 | - | 5.00 | 5,057,690 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,467 |
| Himalayan Countries | 0 | - | 4.94 | 136,967 |
| Andean Countries | 0 | - | 4.95 | 83,714 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,955 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,303 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,631 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,203 |
| Danube Countries | 0 | - | 4.97 | 71,547 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,385 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,958 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,443 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,501 |
