| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,072 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,731 |
| Countries with Megacities | 0 | - | 4.99 | 264,172 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,582 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,388 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,843 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,449 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,160 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,727 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,833 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,046 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,029 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,496 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,652 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,166 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,314 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,320 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,188 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,777 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,667 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,602 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,037 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,263 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,430 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,942 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,122 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,421 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,262 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,850 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,295 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,603 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,346 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,087 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,255 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,855 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,270 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,486 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,134 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,059 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,515 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,245 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,510 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,415 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,849 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,553 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,069 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,555 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,780 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,522 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,983 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,161 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,864 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,580 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,590 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,444 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,010 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,681 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,136 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,024 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,201 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,726 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,794 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,800 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,324 |
| Olympic Host Countries | 0 | - | 4.98 | 200,967 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,985 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,484 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,197 |
| The Only European Country ... | 0 | - | 4.91 | 217,070 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,568 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,387 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,707 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,893 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,279 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,331 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,932 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,512 |
| Countries of Africa | 0 | - | 5.00 | 2,541,371 |
| Boundary Waters | 0 | - | 4.92 | 88,520 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,217 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,196 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,539 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,910 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,785 |
| Largest City by Island | 0 | - | 4.87 | 71,982 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,089 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,102 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,665 |
| Megacities on a World Map | 0 | - | 4.98 | 255,024 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,447 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,081 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,966 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,566 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,071 |
| Countries of the Middle East | 0 | - | 4.96 | 201,407 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,441 |
| Slavic Countries | 0 | - | 4.96 | 111,785 |
| African Island Countries | 0 | - | 4.96 | 101,760 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,926 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,457 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,255 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,062 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,644 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,696 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,502 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,187 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,799 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,872 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,677 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,316 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,329 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,695 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,365 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,276 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,113 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,357 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,918 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,899 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,682 |
| Most Populous Islands | 0 | - | 4.80 | 122,987 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,315 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,551 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,100 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,269 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,068 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,414 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,205 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,166 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,287 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,575 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,117 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,763 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,533,318 |
| Landlocked Countries | 0 | - | 4.99 | 421,366 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,998 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,424 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,211 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,150 |
| Monarchies of Europe | 0 | - | 4.90 | 98,250 |
| Monarchies of Asia | 0 | - | 4.97 | 71,155 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,454 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,963 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,137 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,914 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,489 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,767 |
| Countries that Start with D | 0 | - | 4.96 | 710,855 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,561 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,815 |
| Countries that Start with H | 0 | - | 4.96 | 605,625 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,396 |
| Countries that Start with J | 0 | - | 4.98 | 603,261 |
| Countries that Start with K | 0 | - | 4.97 | 816,737 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,805 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,818 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,244 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,423 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,710 |
| Countries that Start with U | 0 | - | 4.97 | 905,195 |
| Countries that Start with V | 0 | - | 4.98 | 609,820 |
| Countries that Start with F | 0 | - | 4.83 | 618,270 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,894 |
| The Only African Country ... | 0 | - | 4.99 | 129,216 |
| The Only American Country ... | 0 | - | 4.92 | 121,727 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,168 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,837 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,976 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,710 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,129 |
| European Countries with One Border | 0 | - | 4.97 | 182,974 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,750 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,300 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,673 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,959 |
| Population Trivia | 0 | - | 4.32 | 27,505 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,669 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,544 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,022 |
| Biggest City by Region | 0 | - | 4.50 | 36,256 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,173 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,962 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,587 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,613 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,976 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,213 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,367 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,329 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,564 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,438 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,128 |
| World Capitals Quiz | 0 | - | 5.00 | 5,079,619 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,147 |
| Himalayan Countries | 0 | - | 4.95 | 138,448 |
| Andean Countries | 0 | - | 4.93 | 84,446 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,650 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,615 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,283 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,686 |
| Danube Countries | 0 | - | 4.97 | 71,937 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,924 |
