| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,808 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,561 |
| Countries with Megacities | 0 | - | 4.99 | 267,993 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,212 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,370 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,543 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,474 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,391 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,055 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,483 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,566 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,847 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,020 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,388 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,748 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,195 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,712 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,657 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,215 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,986 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,606 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,884 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,913 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,074 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,278 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,062 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,034 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,628 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,294 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,580 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,936 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,886 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,847 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,416 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,975 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,493 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,359 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,117 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,026 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,992 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,134 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,553 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,909 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,388 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,873 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,322 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,831 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,228 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,879 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,548 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,823 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,265 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,595 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,124 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,231 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,984 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,918 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,711 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,684 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,983 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,408 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,119 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,729 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,861 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,327 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,587 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,827 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,282 |
| Olympic Host Countries | 0 | - | 4.98 | 202,278 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,273 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,526 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,257 |
| The Only European Country ... | 0 | - | 4.91 | 219,649 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,395 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,864 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,999 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,251 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,421 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,594 |
| Countries of Africa | 0 | - | 5.00 | 2,565,354 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,817 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,071 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,421 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,813 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,891 |
| Largest City by Island | 0 | - | 4.87 | 72,592 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,511 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,903 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,269 |
| Megacities on a World Map | 0 | - | 4.98 | 257,554 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,355 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,865 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,858 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,832 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,371 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,890 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,362 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,320 |
| Countries of the Middle East | 0 | - | 4.96 | 203,309 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,394 |
| Slavic Countries | 0 | - | 4.96 | 112,525 |
| African Island Countries | 0 | - | 4.96 | 102,755 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,252 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,776 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,714 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,605 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,048 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,508 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,995 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,400 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,198 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,804 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,750 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,088 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,995 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,561 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,084 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,723 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,094 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,344 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,680 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,602 |
| Boundary Waters | 0 | - | 4.92 | 88,852 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,473 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,865 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,595 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,082 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,101 |
| Most Populous Islands | 0 | - | 4.80 | 123,462 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,407 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,684 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,729 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,154 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,402 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,492 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,475 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,382 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,626 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,379 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,355 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,812 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,074 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,181 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,596 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,319 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,791 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,629 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,268 |
| Monarchies of Europe | 0 | - | 4.90 | 99,049 |
| Monarchies of Asia | 0 | - | 4.97 | 71,621 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,776 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,368 |
| Lowest Fertility Countries | 0 | - | 4.40 | 98,026 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,898 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,511 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,801 |
| Countries that Start with D | 0 | - | 4.96 | 718,077 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,002 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,588 |
| Countries that Start with H | 0 | - | 4.96 | 610,748 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,141 |
| Countries that Start with J | 0 | - | 4.98 | 608,116 |
| Countries that Start with K | 0 | - | 4.97 | 821,954 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,327 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,436 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,547 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,193 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,091 |
| Countries that Start with U | 0 | - | 4.97 | 909,374 |
| Countries that Start with V | 0 | - | 4.98 | 612,664 |
| Countries that Start with F | 0 | - | 4.83 | 622,183 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,877 |
| The Only African Country ... | 0 | - | 4.99 | 129,813 |
| The Only American Country ... | 0 | - | 4.92 | 122,362 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,455 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,571 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,008 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,751 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,091 |
| European Countries with One Border | 0 | - | 4.97 | 184,050 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,771 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,005 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,316 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,887 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,986,013 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,221 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,683 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,185 |
| Biggest City by Region | 0 | - | 4.50 | 36,423 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,381 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,376 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,042 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,160 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,961 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,332 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,464 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,627 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,742 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,607 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,305 |
