| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,612 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,510 |
| Countries with Megacities | 0 | - | 4.99 | 249,459 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,356 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,680 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,689 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,647 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,003 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,129 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,365 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,057 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,443 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,139 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,182 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,727 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,403 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,657 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,560 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,070 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,384 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,977 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,498 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,815 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,977 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,146 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,919 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,926 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 91,189 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,033 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,300 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,900 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,596 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,690 |
| 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 | 23,215 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,972 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,820 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,617 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,439 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,071 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,877 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,419 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,487 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,880 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,350 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,352 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,228 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,492 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,267 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,566 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,562 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,605 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,107 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,139 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,027 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,218 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,512 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,579 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,099 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,176 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,452 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,148 |
| Olympic Host Countries | 0 | - | 4.98 | 199,813 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,376 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,484 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 306,711 |
| The Only European Country ... | 0 | - | 4.91 | 215,442 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,319 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,478 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,507 |
| 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 | 415,719 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,155 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,051 |
| Countries of Africa | 0 | - | 5.00 | 2,524,220 |
| Boundary Waters | 0 | - | 4.92 | 88,293 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,013 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,719 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,712 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,659 |
| Largest City by Island | 0 | - | 4.87 | 71,499 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,653 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,435 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,066 |
| Megacities on a World Map | 0 | - | 4.98 | 252,588 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,078 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,483 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,804 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,863 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,682 |
| Countries of the Middle East | 0 | - | 4.96 | 200,091 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,830 |
| Slavic Countries | 0 | - | 4.96 | 111,332 |
| African Island Countries | 0 | - | 4.96 | 101,247 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,720 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,490 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,000 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,432 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,078 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,874 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,415 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,366 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,247 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,317 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,442 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,606 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,785 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,992 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,795 |
| 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 | 32,907 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,940 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,373 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,369 |
| 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 | 73,514 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,521 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,301 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,786 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,931 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,724 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,635 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,947 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,216,848 |
| Landlocked Countries | 0 | - | 4.99 | 417,318 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,589 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,881 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,794 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,796 |
| Monarchies of Europe | 0 | - | 4.90 | 97,776 |
| Monarchies of Asia | 0 | - | 4.97 | 70,879 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,034 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,693 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,883 |
| Countries that Start with A | 0 | - | 4.98 | 2,155,564 |
| Countries that Start with B | 0 | - | 4.95 | 2,287,675 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,588 |
| Countries that Start with D | 0 | - | 4.96 | 705,822 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,691 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,216 |
| Countries that Start with H | 0 | - | 4.96 | 601,510 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,409 |
| Countries that Start with J | 0 | - | 4.98 | 599,485 |
| Countries that Start with K | 0 | - | 4.97 | 812,638 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,919 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,906 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,683 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,075 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,229 |
| Countries that Start with U | 0 | - | 4.97 | 902,382 |
| Countries that Start with V | 0 | - | 4.98 | 607,530 |
| Countries that Start with F | 0 | - | 4.83 | 615,110 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,779 |
| The Only African Country ... | 0 | - | 4.99 | 128,772 |
| 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 | 137,056 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,601 |
| European Countries with One Border | 0 | - | 4.97 | 182,246 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,098 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,798 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,428 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,443 |
| Population Trivia | 0 | - | 4.32 | 27,460 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,281 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,011 |
| 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 | 73,323 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,390 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,249 |
| 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 | 114,539 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,330 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 41,969 |
| World Capitals Quiz | 0 | - | 5.00 | 5,054,595 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,237 |
| Himalayan Countries | 0 | - | 4.95 | 136,778 |
| Andean Countries | 0 | - | 4.95 | 83,612 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,872 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,173 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,542 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,133 |
| Danube Countries | 0 | - | 4.97 | 71,488 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,317 |
| 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 | 148,309 |