| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,953 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,013 |
| Countries with Megacities | 0 | - | 4.99 | 259,595 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,877 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,985 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,158 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,990 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,199 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,719 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,551 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,418 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,678 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,263 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,370 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,928 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,665 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,182 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,393 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,898 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,500 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,215 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,704 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,970 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,157 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,826 |
| Largest City by Island | 0 | - | 4.87 | 71,676 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,737 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,102 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,079 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,451 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,154 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,436 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,081 |
| African Island Countries | 0 | - | 4.96 | 101,439 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,782 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,907 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,450 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,522 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,032 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,644 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,768 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,348 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,047 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,134 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,311 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,586 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,948 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,676 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,320 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,420 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,515 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,729 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,476 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,919 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,147 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,901 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,838 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,384 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,212 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,470 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,676 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,776 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 59,538 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,377 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,849 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,566 |
| Olympic Host Countries | 0 | - | 4.98 | 200,380 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,623 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,855 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,053 |
| The Only European Country ... | 0 | - | 4.91 | 216,021 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,774 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,790 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,584 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,092 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,503 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,630 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,538 |
| Countries of Africa | 0 | - | 5.00 | 2,530,430 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,802 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,215 |
| Asian Island Nations | 0 | - | 4.63 | 94,092 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,038 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,008 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,785 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,673 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,247 |
| Megacities on a World Map | 0 | - | 4.98 | 253,389 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,033 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,210 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,709 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,229 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,083 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,403 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,198 |
| Countries of the Middle East | 0 | - | 4.96 | 200,757 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,017 |
| Slavic Countries | 0 | - | 4.96 | 111,501 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,792 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,815 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,507 |
| Islands by Country #1 | 0 | - | 4.88 | 175,110 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,674 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,669 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,289 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,193 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,877 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,669 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,440 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,540 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,514 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,095 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,987 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,394 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,015 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,979 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,822 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,090 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,979 |
| Boundary Waters | 0 | - | 4.92 | 88,376 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,080 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,907 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,166 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,335 |
| Most Populous Islands | 0 | - | 4.80 | 122,789 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,276 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,506 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,819 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,680 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,901 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,648 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,895 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,772 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,106 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,811 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,448 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,291 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,738 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,064 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,946 |
| Richest Island Countries | 0 | - | 4.84 | 100,309 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,941 |
| Monarchies of Europe | 0 | - | 4.90 | 97,970 |
| Monarchies of Asia | 0 | - | 4.97 | 70,987 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,621 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,267 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,781 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,329 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,939 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,935 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,239 |
| Countries that Start with D | 0 | - | 4.96 | 707,646 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,870 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,532 |
| Countries that Start with H | 0 | - | 4.96 | 603,099 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,196 |
| Countries that Start with J | 0 | - | 4.98 | 600,955 |
| Countries that Start with K | 0 | - | 4.97 | 814,142 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,929 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,862 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,372 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,426 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,498 |
| Countries that Start with U | 0 | - | 4.97 | 903,383 |
| Countries that Start with V | 0 | - | 4.98 | 608,424 |
| Countries that Start with F | 0 | - | 4.83 | 616,320 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,661 |
| The Only African Country ... | 0 | - | 4.98 | 128,946 |
| The Only American Country ... | 0 | - | 4.92 | 121,410 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,062 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,652 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,673 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,265 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,788 |
| European Countries with One Border | 0 | - | 4.97 | 182,528 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,331 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,005 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,744 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,330,932 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,399 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,047 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,923 |
| Biggest City by Region | 0 | - | 4.50 | 36,121 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,054 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,796 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,400 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,902 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,523 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,151 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,326 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,166 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,981 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,366 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,043 |
| Landlocked Countries | 0 | - | 4.99 | 418,893 |
| UK Immigration by Country | 0 | - | 4.94 | 140,687 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,765 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,773 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,381 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,275 |
