| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,051 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,393 |
| Countries with Megacities | 0 | - | 4.99 | 263,096 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,236 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,199 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,525 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,237 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,300 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,224 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,687 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,721 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,862 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,377 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,515 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,059 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,913 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,135 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,698 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,589 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,595 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,412 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,864 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,121 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,294 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,883 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,947 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,248 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,185 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,726 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,242 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,527 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,221 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,935 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,091 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,807 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,211 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,400 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,833 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,793 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,285 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,803 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,415 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,239 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,720 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,302 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,486 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,496 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,659 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,416 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,883 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,887 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,469 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,933 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,283 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,716 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,771 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,481 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,836 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,334 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,006 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,396 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,594 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,256 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,978 |
| Olympic Host Countries | 0 | - | 4.98 | 200,689 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,804 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,194 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,298 |
| The Only European Country ... | 0 | - | 4.91 | 216,555 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,197 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,077 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,647 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,850 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,247 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,510 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,026 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,067 |
| Countries of Africa | 0 | - | 5.00 | 2,536,102 |
| Boundary Waters | 0 | - | 4.92 | 88,455 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,156 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,054 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,453 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,497 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,352 |
| Largest City by Island | 0 | - | 4.87 | 71,839 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,944 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,911 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,460 |
| Megacities on a World Map | 0 | - | 4.98 | 254,427 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,325 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,891 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,587 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,315 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,643 |
| Countries of the Middle East | 0 | - | 4.96 | 201,125 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,253 |
| Slavic Countries | 0 | - | 4.96 | 111,633 |
| African Island Countries | 0 | - | 4.96 | 101,605 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,871 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,139 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 46,980 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,863 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,490 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,466 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,101 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,933 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,639 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,712 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,597 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,207 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,179 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,565 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,206 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,130 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,969 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,241 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,961 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,426 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,885 |
| Most Populous Islands | 0 | - | 4.80 | 122,906 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,298 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,529 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,054 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,092 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,915 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,168 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,918 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,040 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,448 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,379 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,939 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,556 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,437,243 |
| Landlocked Countries | 0 | - | 4.99 | 420,186 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,877 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,264 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,093 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,066 |
| Monarchies of Europe | 0 | - | 4.90 | 98,122 |
| Monarchies of Asia | 0 | - | 4.97 | 71,080 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,368 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,875 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,780 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,080 |
| Countries that Start with B | 0 | - | 4.95 | 2,293,813 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,593 |
| Countries that Start with D | 0 | - | 4.96 | 709,292 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,811 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,897 |
| Countries that Start with H | 0 | - | 4.96 | 604,524 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,930 |
| Countries that Start with J | 0 | - | 4.98 | 602,212 |
| Countries that Start with K | 0 | - | 4.97 | 815,551 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,427 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,405 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,835 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,411 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,617 |
| Countries that Start with U | 0 | - | 4.97 | 904,314 |
| Countries that Start with V | 0 | - | 4.98 | 609,226 |
| Countries that Start with F | 0 | - | 4.83 | 617,423 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,351 |
| The Only African Country ... | 0 | - | 4.99 | 129,084 |
| The Only American Country ... | 0 | - | 4.92 | 121,583 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,117 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,769 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,832 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,494 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,973 |
| European Countries with One Border | 0 | - | 4.97 | 182,750 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,548 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,184 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,580 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,802 |
| Population Trivia | 0 | - | 4.32 | 27,490 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,549 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,080 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,970 |
| Biggest City by Region | 0 | - | 4.50 | 36,210 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,132 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,894 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,512 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,283 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,733 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,183 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,346 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,237 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,280 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,407 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,095 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,943 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,559 |
| Himalayan Countries | 0 | - | 4.95 | 137,975 |
| Andean Countries | 0 | - | 4.95 | 84,204 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,423 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,147 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,061 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,507 |
| Danube Countries | 0 | - | 4.97 | 71,790 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,733 |
