| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,326 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,764 |
| Countries with Megacities | 0 | - | 4.99 | 249,950 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,614 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,843 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,921 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,820 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,311 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,474 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,466 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,253 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,579 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,215 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,289 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,844 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,564 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,795 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,911 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,285 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,455 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,112 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,625 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,906 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,095 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,648 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,032 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,022 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,212 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,123 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,393 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,018 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,712 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,815 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,744 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.64 | 64,099 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,271 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,268 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,364 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,887 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,543 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,131 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,982 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,538 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,774 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,958 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,387 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,454 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,288 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,623 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,376 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,748 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,884 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,767 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,506 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,267 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,117 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,342 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,586 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,702 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,156 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,286 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,699 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,373 |
| Olympic Host Countries | 0 | - | 4.98 | 200,170 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,514 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,694 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,557 |
| The Only European Country ... | 0 | - | 4.91 | 215,805 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,594 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,646 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,544 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,779 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,199 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,126 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,678 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,332 |
| Countries of Africa | 0 | - | 5.00 | 2,528,216 |
| Boundary Waters | 0 | - | 4.92 | 88,347 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,053 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,849 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,294 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,943 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,866 |
| Largest City by Island | 0 | - | 4.87 | 71,589 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,714 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,565 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,170 |
| Megacities on a World Map | 0 | - | 4.98 | 252,971 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,152 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,606 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,039 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,987 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,986 |
| Countries of the Middle East | 0 | - | 4.96 | 200,627 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,926 |
| Slavic Countries | 0 | - | 4.96 | 111,424 |
| African Island Countries | 0 | - | 4.96 | 101,355 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,765 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,676 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,258 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,576 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,207 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,067 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,699 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,550 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,353 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,459 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,486 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,947 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,904 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,269 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,918 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,907 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,761 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,005 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,553 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,590 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,790 |
| Most Populous Islands | 0 | - | 4.80 | 122,743 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,266 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,488 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,917 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,611 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,613 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,503 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,839 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,425 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,976 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,731 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,154 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,285,204 |
| Landlocked Countries | 0 | - | 4.99 | 418,191 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,681 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,985 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,872 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,888 |
| Monarchies of Europe | 0 | - | 4.90 | 97,886 |
| Monarchies of Asia | 0 | - | 4.97 | 70,929 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,173 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,745 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,158 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,539 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,529 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,112 |
| Countries that Start with D | 0 | - | 4.96 | 706,875 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,963 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,586 |
| Countries that Start with H | 0 | - | 4.96 | 602,391 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,463 |
| Countries that Start with J | 0 | - | 4.98 | 600,349 |
| Countries that Start with K | 0 | - | 4.97 | 813,449 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,223 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,175 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,649 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,449 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,988 |
| Countries that Start with U | 0 | - | 4.97 | 902,935 |
| Countries that Start with V | 0 | - | 4.98 | 608,048 |
| Countries that Start with F | 0 | - | 4.83 | 615,837 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,838 |
| The Only African Country ... | 0 | - | 4.99 | 128,878 |
| The Only American Country ... | 0 | - | 4.92 | 121,352 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,032 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,594 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,624 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,177 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,715 |
| European Countries with One Border | 0 | - | 4.97 | 182,425 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,244 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,941 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,472 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,559 |
| Population Trivia | 0 | - | 4.32 | 27,470 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,350 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,033 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,901 |
| Biggest City by Region | 0 | - | 4.50 | 36,106 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,040 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,762 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,359 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,694 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,409 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,138 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,311 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,145 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,783 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,347 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,029 |
| World Capitals Quiz | 0 | - | 5.00 | 5,059,696 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,614 |
| Himalayan Countries | 0 | - | 4.94 | 137,101 |
| Andean Countries | 0 | - | 4.95 | 83,768 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,012 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,391 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,688 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,251 |
| Danube Countries | 0 | - | 4.97 | 71,579 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,440 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,983 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,516 |
