| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,826 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,569 |
| Countries with Megacities | 0 | - | 4.99 | 268,008 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,221 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,372 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,552 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,476 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,433 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,065 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,487 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,570 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,853 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,038 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,390 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,749 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,197 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,216 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,727 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,663 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,986 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,610 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,888 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,914 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,078 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,279 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,064 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,036 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,629 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,296 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,581 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,938 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,886 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,849 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,419 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,027 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,554 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,913 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,322 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,981 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,500 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,365 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,123 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,995 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,136 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,391 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,838 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,254 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,824 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,266 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,879 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,597 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,127 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,238 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,988 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,926 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,714 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,693 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,983 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,412 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,123 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,730 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,863 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,329 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,590 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,829 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,293 |
| Olympic Host Countries | 0 | - | 4.98 | 202,284 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,279 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,541 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,327 |
| The Only European Country ... | 0 | - | 4.91 | 219,656 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,400 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,868 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,999 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,071 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,423 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,261 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,459 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,602 |
| Countries of Africa | 0 | - | 5.00 | 2,565,480 |
| Boundary Waters | 0 | - | 4.92 | 88,858 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,474 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,866 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,597 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,082 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,817 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,896 |
| 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 | 176,909 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,272 |
| Megacities on a World Map | 0 | - | 4.98 | 257,563 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,869 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,858 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,838 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,891 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,331 |
| Countries of the Middle East | 0 | - | 4.96 | 203,320 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,397 |
| Slavic Countries | 0 | - | 4.96 | 112,529 |
| African Island Countries | 0 | - | 4.96 | 102,761 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,253 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,783 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,726 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,051 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,512 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,003 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,408 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,208 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,810 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,754 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,088 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,003 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,564 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,087 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,730 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,095 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,345 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,704 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,372 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,398 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,658 |
| Most Populous Islands | 0 | - | 4.80 | 123,463 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,408 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,685 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,604 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,815 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,270 |
| Lowest Fertility Countries | 0 | - | 4.40 | 98,026 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,730 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,182 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,409 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,494 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,492 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,384 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,634 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,186 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,988,041 |
| Landlocked Countries | 0 | - | 4.99 | 427,477 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,601 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,323 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,792 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,632 |
| Monarchies of Europe | 0 | - | 4.90 | 99,056 |
| Monarchies of Asia | 0 | - | 4.97 | 71,623 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,778 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,368 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,885 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,968 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,581 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,847 |
| Countries that Start with D | 0 | - | 4.96 | 718,114 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,051 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,626 |
| Countries that Start with H | 0 | - | 4.96 | 610,768 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,185 |
| Countries that Start with J | 0 | - | 4.98 | 608,139 |
| Countries that Start with K | 0 | - | 4.97 | 821,982 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,365 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,468 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,586 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,233 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,119 |
| Countries that Start with U | 0 | - | 4.97 | 909,399 |
| Countries that Start with V | 0 | - | 4.98 | 612,678 |
| Countries that Start with F | 0 | - | 4.83 | 622,200 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,909 |
| The Only African Country ... | 0 | - | 4.99 | 129,816 |
| The Only American Country ... | 0 | - | 4.92 | 122,366 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,461 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,572 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,012 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,762 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,098 |
| European Countries with One Border | 0 | - | 4.97 | 184,058 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,779 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,007 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,001 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,536 |
| Population Trivia | 0 | - | 4.32 | 27,596 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,224 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,686 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,185 |
| Biggest City by Region | 0 | - | 4.50 | 36,424 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,383 |
| 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 | 226,166 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,963 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,333 |
| 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 | 116,747 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,609 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,306 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,426 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,017 |
| Himalayan Countries | 0 | - | 4.93 | 140,918 |
| Andean Countries | 0 | - | 4.94 | 85,851 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,962 |
