| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,484 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,848 |
| Countries with Megacities | 0 | - | 4.99 | 264,474 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,710 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,456 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,972 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,518 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,984 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,923 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,905 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,158 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,125 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,545 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,721 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,207 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,397 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,374 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,847 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,403 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,694 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,699 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,125 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,314 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,470 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,971 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,204 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,485 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,293 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,898 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,330 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,634 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,398 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,167 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,328 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,289 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,186 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,622 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,318 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,869 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,564 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,494 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,303 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,513 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,902 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,386 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,654 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,691 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,564 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,159 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,582 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,831 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,039 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,249 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,985 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,785 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,681 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,703 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,097 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,744 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,219 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,132 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,255 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,792 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,868 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,015 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,485 |
| Olympic Host Countries | 0 | - | 4.98 | 201,072 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,063 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,622 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,580 |
| The Only European Country ... | 0 | - | 4.91 | 217,297 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,722 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,512 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,729 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,631 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,722 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,694 |
| Countries of Africa | 0 | - | 5.00 | 2,543,682 |
| United States Map Quiz | 0 | - | 4.98 | 4,162,943 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,906 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,294 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,023 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,920 |
| Largest City by Island | 0 | - | 4.87 | 72,043 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,140 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,170 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,738 |
| Megacities on a World Map | 0 | - | 4.98 | 255,249 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,259 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,485 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,159 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,140 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,960 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,667 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,452 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,283 |
| Countries of the Middle East | 0 | - | 4.96 | 201,599 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,524 |
| Slavic Countries | 0 | - | 4.96 | 111,854 |
| African Island Countries | 0 | - | 4.96 | 101,832 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,950 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,580 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,378 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,434 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,184 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,741 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,785 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,587 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,278 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,884 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,980 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,699 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,371 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,397 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,764 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,441 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,342 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,203 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,409 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,122 |
| Boundary Waters | 0 | - | 4.92 | 88,563 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,239 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,255 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,688 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,588 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,556 |
| Most Populous Islands | 0 | - | 4.80 | 123,032 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,323 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,561 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,127 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,500 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,308 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,197 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,613 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,678 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,162 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,680 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,492 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,318 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,535 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,880 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,061 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,510 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,256 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,189 |
| Monarchies of Europe | 0 | - | 4.90 | 98,323 |
| Monarchies of Asia | 0 | - | 4.97 | 71,199 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,478 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,995 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,075 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,522 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,612 |
| Countries that Start with D | 0 | - | 4.96 | 711,466 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,329 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,580 |
| Countries that Start with H | 0 | - | 4.96 | 606,030 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,971 |
| Countries that Start with J | 0 | - | 4.98 | 603,652 |
| Countries that Start with K | 0 | - | 4.97 | 817,168 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,351 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,375 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,777 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,138 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,090 |
| Countries that Start with U | 0 | - | 4.97 | 905,519 |
| Countries that Start with V | 0 | - | 4.98 | 610,052 |
| Countries that Start with F | 0 | - | 4.83 | 618,599 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,509 |
| The Only African Country ... | 0 | - | 4.99 | 129,259 |
| The Only American Country ... | 0 | - | 4.92 | 121,788 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,194 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,865 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,018 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,804 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,221 |
| European Countries with One Border | 0 | - | 4.97 | 183,076 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,853 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,365 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,100 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,051 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,573,023 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,711 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,561 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,040 |
| Biggest City by Region | 0 | - | 4.50 | 36,274 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,189 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,989 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,619 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,750 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,055 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,222 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,376 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,351 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,657 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,453 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,136 |
| Landlocked Countries | 0 | - | 4.99 | 421,843 |
| UK Immigration by Country | 0 | - | 4.94 | 141,122 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,875 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 68,074 |
