| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,457 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,470 |
| Countries with Megacities | 0 | - | 4.99 | 249,374 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,320 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,653 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,642 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,626 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,774 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,064 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,345 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,033 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,425 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,128 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,160 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,706 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,370 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,638 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,509 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,045 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,369 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,956 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,470 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,797 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,965 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,122 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,889 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,880 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 90,574 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,001 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,275 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,859 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,579 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,671 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,718 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,050 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,208 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,911 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,742 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,584 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,417 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,065 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,868 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,393 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,454 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,701 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,346 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,338 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,215 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,477 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,248 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,528 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,499 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,576 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,036 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,120 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,012 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,194 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,498 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,558 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,085 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,163 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,407 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,103 |
| Olympic Host Countries | 0 | - | 4.98 | 199,763 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,357 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,444 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 306,598 |
| The Only European Country ... | 0 | - | 4.91 | 215,383 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,268 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,458 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,503 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,745 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,179 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,641 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,898 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,013 |
| Countries of Africa | 0 | - | 5.00 | 2,523,610 |
| Boundary Waters | 0 | - | 4.92 | 88,277 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,002 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,706 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,671 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,628 |
| Largest City by Island | 0 | - | 4.87 | 71,482 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,644 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,284 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,050 |
| Megacities on a World Map | 0 | - | 4.98 | 252,535 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,062 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,452 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,770 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,843 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,626 |
| Countries of the Middle East | 0 | - | 4.96 | 200,008 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,820 |
| Slavic Countries | 0 | - | 4.96 | 111,314 |
| African Island Countries | 0 | - | 4.96 | 101,231 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,714 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,470 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,958 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,402 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,058 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,854 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,397 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,340 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,224 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,302 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,433 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,579 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,763 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,970 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,770 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,787 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,639 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,891 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,855 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,061 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,167 |
| Most Populous Islands | 0 | - | 4.80 | 122,654 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,254 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,473 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,871 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,504 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,498 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,263 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,778 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,879 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,665 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,623 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,919 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,205,875 |
| Landlocked Countries | 0 | - | 4.99 | 417,194 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,577 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,854 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,779 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,787 |
| Monarchies of Europe | 0 | - | 4.90 | 97,762 |
| Monarchies of Asia | 0 | - | 4.97 | 70,870 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,026 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,675 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,842 |
| Countries that Start with A | 0 | - | 4.98 | 2,155,222 |
| Countries that Start with B | 0 | - | 4.95 | 2,287,372 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,351 |
| Countries that Start with D | 0 | - | 4.96 | 705,665 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,498 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,038 |
| Countries that Start with H | 0 | - | 4.96 | 601,393 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,270 |
| Countries that Start with J | 0 | - | 4.98 | 599,369 |
| Countries that Start with K | 0 | - | 4.97 | 812,519 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,729 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,762 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,534 |
| Countries that Start with S | 0 | - | 4.98 | 1,749,869 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,120 |
| Countries that Start with U | 0 | - | 4.97 | 902,289 |
| Countries that Start with V | 0 | - | 4.98 | 607,449 |
| Countries that Start with F | 0 | - | 4.83 | 615,008 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,630 |
| The Only African Country ... | 0 | - | 4.99 | 128,762 |
| The Only American Country ... | 0 | - | 4.92 | 121,226 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,954 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,510 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,491 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,028 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,577 |
| European Countries with One Border | 0 | - | 4.97 | 182,229 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,086 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,789 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,420 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,428 |
| Population Trivia | 0 | - | 4.32 | 27,456 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,267 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,004 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,866 |
| Biggest City by Region | 0 | - | 4.50 | 36,080 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,016 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,720 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,308 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,360 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,224 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,119 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,299 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,105 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,510 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,329 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 41,964 |
| World Capitals Quiz | 0 | - | 5.00 | 5,053,722 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,191 |
| Himalayan Countries | 0 | - | 4.95 | 136,741 |
| Andean Countries | 0 | - | 4.95 | 83,591 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,852 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,143 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,515 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,115 |
| Danube Countries | 0 | - | 4.97 | 71,483 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,294 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,891 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,282 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,276 |
