| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,292 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,415 |
| Countries with Megacities | 0 | - | 4.99 | 267,643 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,060 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,285 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,402 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,388 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,530 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,840 |
| The Only African Country ... | 0 | - | 4.99 | 129,755 |
| The Only American Country ... | 0 | - | 4.92 | 122,305 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,428 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,427 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,447 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,781 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,969 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,326 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,690 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,483 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,555 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,953 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,506 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,798 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,851 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,001 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,960 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,976 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,591 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,262 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,561 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,911 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,841 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,776 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,065 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,109 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,145 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,823 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,371 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,214 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,041 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,956 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,068 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,869 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,324 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,825 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,412 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,719 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,375 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,957 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,008 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,533 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,846 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,704 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,366 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,904 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,607 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 57,177 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,619 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,796 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,200 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,621 |
| Which Asian Country? | 0 | - | 4.64 | 57,783 |
| Which African Country? | 0 | - | 4.58 | 36,480 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,540 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,052 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,121 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,917 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,713 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,606 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,418 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,905 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,348 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,019 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,056 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,697 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,812 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,277 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,519 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,627 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,611 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,380 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,094 |
| Olympic Host Countries | 0 | - | 4.98 | 202,142 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,187 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,399 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,666 |
| The Only European Country ... | 0 | - | 4.91 | 219,411 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,215 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,745 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,970 |
| Countries of Africa | 0 | - | 5.00 | 2,563,174 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,774 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,047 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,406 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,736 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,799 |
| Largest City by Island | 0 | - | 4.87 | 72,538 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,474 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,809 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,219 |
| Megacities on a World Map | 0 | - | 4.98 | 257,322 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,608 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,822 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,801 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,692 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,797 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,728 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,120 |
| Countries of the Middle East | 0 | - | 4.96 | 203,163 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,314 |
| Slavic Countries | 0 | - | 4.96 | 112,468 |
| African Island Countries | 0 | - | 4.96 | 102,686 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,222 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,666 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,454 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,706 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,952 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,427 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,869 |
| Which South American Country? | 0 | - | 4.69 | 52,139 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,304 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,058 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,716 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,667 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,060 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,949 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,479 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,017 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,625 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,036 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,270 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 46,875 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,574 |
| Most Populous Islands | 0 | - | 4.80 | 123,414 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,396 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,671 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,661 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,088 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,302 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,471 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,180 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,324 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,575 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,754 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,059 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,542 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,221 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,740 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,578 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,221 |
| Monarchies of Europe | 0 | - | 4.90 | 98,989 |
| Monarchies of Asia | 0 | - | 4.97 | 71,575 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,744 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,327 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,694 |
| Countries that Start with A | 0 | - | 4.98 | 2,177,613 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,242 |
| Countries that Start with C | 0 | - | 4.96 | 1,832,850 |
| Countries that Start with D | 0 | - | 4.96 | 717,376 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,176 |
| Countries that Start with G | 0 | - | 4.97 | 1,512,706 |
| Countries that Start with H | 0 | - | 4.96 | 610,239 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,444 |
| Countries that Start with J | 0 | - | 4.98 | 607,637 |
| Countries that Start with K | 0 | - | 4.97 | 821,454 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,713 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,768 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,920 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,360 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,590 |
| Countries that Start with U | 0 | - | 4.97 | 908,992 |
| Countries that Start with V | 0 | - | 4.98 | 612,396 |
| Countries that Start with F | 0 | - | 4.83 | 621,801 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,222 |
| Countries by Wikipedia Descriptions #2 | 0 | - | 4.43 | 47,734 |
| Countries by Wikipedia Descriptions #3 | 0 | - | 4.55 | 39,504 |
| Countries by Wikipedia Descriptions #5 | 0 | - | 4.77 | 43,178 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,532 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,942 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,663 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 106,999 |
| European Countries with One Border | 0 | - | 4.97 | 183,952 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,670 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,948 |
| Boundary Waters | 0 | - | 4.92 | 88,820 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,442 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,789 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,483 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,034 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,057 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,352 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,016 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,982 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,861 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,653 |
| UK Immigration by Country | 0 | - | 4.94 | 141,840 |
| Central American Countries | 0 | - | 4.98 | 157,475 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,665 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,509 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,052 |