| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,445 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,984 |
| Countries with Megacities | 0 | - | 4.99 | 246,496 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,904 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,789 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,363 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,748 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,397 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,448 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,772 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,817 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,821 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,440 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,537 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,539 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,895 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,910 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,138 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,111 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,254 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,850 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,354 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,530 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,393 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,234 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,217 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,560 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,528 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,760 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,157 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,063 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,036 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,832 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,905 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,831 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,913 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,778 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,946 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,795 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,333 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,545 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,492 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,891 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,107 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,420 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,924 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,073 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,589 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,578 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,751 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,790 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,883 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,433 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,477 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,515 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,015 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,124 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,699 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,630 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,873 |
| Olympic Host Countries | 0 | - | 4.98 | 198,823 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,775 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,451 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,187 |
| The Only European Country ... | 0 | - | 4.91 | 213,680 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,009 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,440 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,174 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,648 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,078 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,453 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,032 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,661 |
| Countries of Africa | 0 | - | 5.00 | 2,506,325 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,795 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,233 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,338 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,789 |
| Largest City by Island | 0 | - | 4.87 | 70,999 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,346 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,479 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,022 |
| Megacities on a World Map | 0 | - | 4.98 | 250,799 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,760 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,816 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,607 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,097 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,207 |
| Countries of the Middle East | 0 | - | 4.96 | 198,818 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,206 |
| Slavic Countries | 0 | - | 4.96 | 110,813 |
| African Island Countries | 0 | - | 4.96 | 100,729 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,476 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,268 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,929 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,655 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,428 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,021 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,735 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,565 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,659 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,719 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,131 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,128 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,252 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,527 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,207 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,368 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,193 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,469 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,986 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,341 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,151 |
| Most Populous Islands | 0 | - | 4.78 | 121,949 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,196 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,704 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,111 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,948 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,226 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,538 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,847 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,449 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,265 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,229 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,889,237 |
| Landlocked Countries | 0 | - | 4.99 | 413,260 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,147 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,304 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,334 |
| Monarchies of Europe | 0 | - | 4.90 | 97,269 |
| Monarchies of Asia | 0 | - | 4.97 | 70,575 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,803 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,416 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,682 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,875 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,044 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,663 |
| Countries that Start with D | 0 | - | 4.96 | 701,086 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,967 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,200 |
| Countries that Start with H | 0 | - | 4.96 | 597,565 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,840 |
| Countries that Start with J | 0 | - | 4.98 | 595,637 |
| Countries that Start with K | 0 | - | 4.96 | 809,053 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,466 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,324 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,165 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,972 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,900 |
| Countries that Start with U | 0 | - | 4.97 | 899,692 |
| Countries that Start with V | 0 | - | 4.98 | 604,864 |
| Countries that Start with F | 0 | - | 4.83 | 611,882 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,864 |
| The Only African Country ... | 0 | - | 4.99 | 128,316 |
| The Only American Country ... | 0 | - | 4.92 | 120,714 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,755 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,226 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,004 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,304 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,984 |
| European Countries with One Border | 0 | - | 4.97 | 181,552 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,380 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,063 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,132 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,958 |
| Population Trivia | 0 | - | 4.32 | 27,418 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,874 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,890 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,674 |
| Biggest City by Region | 0 | - | 4.50 | 35,986 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,888 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,514 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,085 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,382 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,519 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,007 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,215 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,902 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,734 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,245 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,804 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,999 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,422 |
| Himalayan Countries | 0 | - | 4.95 | 135,204 |
| Andean Countries | 0 | - | 4.94 | 82,753 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,164 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,104 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,829 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,539 |
| Danube Countries | 0 | - | 4.97 | 71,044 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,705 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,498 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,391 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,315 |
| European Landlocked Countries | 0 | - | 4.99 | 145,712 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,139 |