| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,841 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,981 |
| Countries with Megacities | 0 | - | 4.99 | 258,860 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,852 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,966 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,135 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,970 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,084 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,673 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,544 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,382 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,665 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,258 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,358 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,916 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,650 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,878 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,135 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,376 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,494 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,202 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,694 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,965 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,149 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,819 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,720 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,091 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,072 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,417 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,153 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,430 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,072 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,776 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,896 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,767 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,304 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,420 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,505 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,014 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,620 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,342 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,032 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,578 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,919 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,569 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,415 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,503 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,316 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,717 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,452 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,893 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,099 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,869 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,778 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,357 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,195 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,443 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,665 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,765 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,910 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,362 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,835 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,542 |
| Olympic Host Countries | 0 | - | 4.98 | 200,351 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,612 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,834 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,952 |
| The Only European Country ... | 0 | - | 4.91 | 215,994 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,740 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,773 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,579 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,800 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,213 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,468 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,431 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,523 |
| Countries of Africa | 0 | - | 5.00 | 2,530,156 |
| Boundary Waters | 0 | - | 4.92 | 88,371 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,075 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,898 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,153 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,325 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,014 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,981 |
| Largest City by Island | 0 | - | 4.87 | 71,660 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,778 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,659 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,237 |
| Megacities on a World Map | 0 | - | 4.98 | 253,336 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,204 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,680 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,199 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,066 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,171 |
| Countries of the Middle East | 0 | - | 4.96 | 200,738 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,003 |
| Slavic Countries | 0 | - | 4.96 | 111,494 |
| African Island Countries | 0 | - | 4.96 | 101,430 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,789 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,801 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,413 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,656 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,276 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,168 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,855 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,643 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,427 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,528 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,510 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,084 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,972 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,386 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,003 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,972 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,810 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,077 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,978 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,223 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,566 |
| Most Populous Islands | 0 | - | 4.80 | 122,780 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,274 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,503 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,974 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,286 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,663 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,891 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,629 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,889 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,735 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,098 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,800 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,283 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,325,067 |
| Landlocked Countries | 0 | - | 4.99 | 418,802 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,727 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,049 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,933 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,932 |
| Monarchies of Europe | 0 | - | 4.90 | 97,953 |
| Monarchies of Asia | 0 | - | 4.97 | 70,983 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,256 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,777 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,295 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,775 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,785 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,113 |
| Countries that Start with D | 0 | - | 4.96 | 707,552 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,764 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,411 |
| Countries that Start with H | 0 | - | 4.96 | 603,012 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,098 |
| Countries that Start with J | 0 | - | 4.98 | 600,871 |
| Countries that Start with K | 0 | - | 4.97 | 813,969 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,827 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,770 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,286 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,325 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,442 |
| Countries that Start with U | 0 | - | 4.97 | 903,331 |
| Countries that Start with V | 0 | - | 4.98 | 608,380 |
| Countries that Start with F | 0 | - | 4.83 | 616,248 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,552 |
| The Only African Country ... | 0 | - | 4.98 | 128,930 |
| The Only American Country ... | 0 | - | 4.92 | 121,403 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,060 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,638 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,668 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,251 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,776 |
| European Countries with One Border | 0 | - | 4.97 | 182,513 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,319 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,991 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,492 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,605 |
| Population Trivia | 0 | - | 4.32 | 27,472 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,392 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,043 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,919 |
| Biggest City by Region | 0 | - | 4.50 | 36,120 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,050 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,788 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,393 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,875 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,498 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,150 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,323 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,161 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,956 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,358 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,040 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,993 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,945 |
| Himalayan Countries | 0 | - | 4.94 | 137,368 |
| Andean Countries | 0 | - | 4.95 | 83,909 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,203 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,612 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,815 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,335 |
| Danube Countries | 0 | - | 4.97 | 71,641 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,526 |
