| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 124,100 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 103,686 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 109,751 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 87,081 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.87 | 21,325 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,617 |
| Countries with Megacities | 0 | - | 4.99 | 225,722 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,893 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,973 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,839 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 76,520 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 309,355 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,404,356 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,577 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 221,352 |
| European Countries with One Border | 0 | - | 4.97 | 178,265 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 174,694 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,725 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 261,158 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 118,307 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,524 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,292 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 56,530 |
| Countries with the Most Borders | 0 | - | 4.97 | 377,863 |
| Countries of Europe by Population | 0 | - | 4.98 | 171,118 |
| Most Populous Countries by Year | 0 | - | 4.82 | 106,024 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 218,023 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 132,159 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 73,911 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 82,080 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 65,433 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 71,615 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 94,347 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 161,759 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 166,313 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 100,872 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,847 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 120,141 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 351,234 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 405,089 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 226,204 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 178,081 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 188,115 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 101,016 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 106,217 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 156,028 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 170,408 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.86 | 56,150 |
| Random Countries by Borders | 0 | - | 4.99 | 79,681 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,007 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 62,862 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 55,649 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 27,937 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 71,410 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 86,973 |
| Asian Countries with the Fewest Borders | 0 | - | 4.75 | 105,204 |
| Countries Bordering the EU | 0 | - | 4.76 | 57,473 |
| Biggest Cities in the World | 0 | - | 4.91 | 767,369 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,701,604 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 416,924 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 83,126 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 98,160 |
| Countries that Border Hungary | 0 | - | 4.98 | 102,295 |
| Countries Bordering Austria | 0 | - | 4.97 | 115,902 |
| Countries Bordering Tanzania | 0 | - | 4.97 | 69,070 |
| Countries Bordering Iran | 0 | - | 4.83 | 93,489 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 63,358 |
| Countries that Border Iraq | 0 | - | 4.97 | 106,621 |
| Countries Bordering Kenya | 0 | - | 4.87 | 61,660 |
| Countries Bordering Myanmar | 0 | - | 4.86 | 75,816 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 116,721 |
| Countries Bordering Serbia | 0 | - | 4.96 | 89,839 |
| Countries Bordering South Africa | 0 | - | 4.97 | 91,754 |
| Countries Bordering Turkey | 0 | - | 4.98 | 114,751 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,785 |
| Biggest City by Time Zone | 0 | - | 4.86 | 63,605 |
| Biggest City in Every Country | 0 | - | 4.98 | 93,407 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 194,429 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 105,019 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 114,750 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 75,361 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,964 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 404,994 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 75,197 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,378 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,947 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,753 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 64,081 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 123,626 |
| Biggest Cities in the United States | 0 | - | 4.94 | 936,165 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 357,529 |
| Countries That Use the Euro | 0 | - | 4.97 | 96,807 |
| Olympic Host Countries | 0 | - | 4.98 | 193,907 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 42,784 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 108,850 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 265,778 |
| The Only European Country ... | 0 | - | 4.92 | 205,046 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 204,262 |
| European Countries NOT in NATO | 0 | - | 4.88 | 54,970 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 90,805 |
| Countries of Africa | 0 | - | 5.00 | 2,429,006 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,038 |
| Demographics Multiple Choice | 0 | - | 4.70 | 41,669 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,401 |
| Biggest Cities by Language | 0 | - | 4.95 | 226,881 |
| Largest City by Island | 0 | - | 4.89 | 68,932 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.93 | 68,757 |
| Most Populous World Capitals | 0 | - | 4.94 | 171,963 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,620 |
| Megacities on a World Map | 0 | - | 4.98 | 236,469 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 560,312 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,310 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 71,446 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 103,336 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 163,532 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,295,278 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 209,572 |
| Countries of the Middle East | 0 | - | 4.95 | 193,673 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 85,498 |
| Slavic Countries | 0 | - | 4.96 | 108,726 |
| African Island Countries | 0 | - | 4.96 | 98,350 |
| Straight Shot to Antarctica | 0 | - | 4.93 | 41,378 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 63,471 |
| Countries of North America Quiz | 0 | - | 5.00 | 981,839 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 122,582 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 103,814 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 132,406 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 122,887 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.95 | 138,799 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 211,872 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 188,733 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 150,434 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 111,177 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 141,385 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 147,623 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 113,349 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 157,416 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 96,413 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 105,024 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 50,730 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 78,786 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.85 | 94,466 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 176,999 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 58,980 |
| Most Populous Countries in 1950 | 0 | - | 4.61 | 84,626 |
| Most Populous Islands | 0 | - | 4.78 | 120,120 |
| Islands by Largest City #1 | 0 | - | 4.47 | 93,896 |
| Islands by Largest City #2 | 0 | - | 4.74 | 34,991 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 71,093 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 164,188 |
| Biggest Cities in Asia | 0 | - | 4.94 | 106,121 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,310 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 332,722 |
| Megacities on an Empty Map | 0 | - | 4.96 | 94,842 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 48,424 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 121,967 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 131,637 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 107,951 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 102,753 |
| Monarchies of Europe | 0 | - | 4.89 | 95,076 |
| Monarchies of Asia | 0 | - | 4.97 | 69,378 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 55,315 |
| Asian Country Superlatives | 0 | - | 4.83 | 79,232 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 128,637 |
| Countries that Start with A | 0 | - | 4.98 | 2,102,854 |
| Countries that Start with B | 0 | - | 4.95 | 2,240,278 |
| Countries that Start with C | 0 | - | 4.96 | 1,778,377 |
| Countries that Start with D | 0 | - | 4.96 | 679,329 |
| Countries that Start with E | 0 | - | 4.95 | 1,340,917 |
| Countries that Start with G | 0 | - | 4.97 | 1,464,599 |
| Countries that Start with H | 0 | - | 4.96 | 579,186 |
| Countries that Start with I | 0 | - | 4.92 | 1,258,396 |
| Countries that Start with J | 0 | - | 4.98 | 578,431 |
| Countries that Start with K | 0 | - | 4.97 | 791,587 |
| Countries that Start with L | 0 | - | 4.98 | 1,061,653 |
| Countries that Start with N | 0 | - | 4.93 | 1,088,335 |
| Countries that Start with P | 0 | - | 4.95 | 1,187,662 |
| Countries that Start with S | 0 | - | 4.98 | 1,716,789 |
| Countries that Start with T | 0 | - | 4.89 | 987,774 |
| Countries that Start with U | 0 | - | 4.97 | 886,066 |
| Countries that Start with V | 0 | - | 4.98 | 594,108 |
| Countries that Start with F | 0 | - | 4.83 | 596,782 |
| Countries that Start with M | 0 | - | 4.97 | 1,350,490 |
| The Only African Country ... | 0 | - | 4.98 | 126,503 |
| The Only American Country ... | 0 | - | 4.92 | 117,764 |
| African Countries by a Single Clue | 0 | - | 4.92 | 66,916 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 80,525 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 75,235 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 105,657 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 84,818 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 30,835 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 70,923 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 92,570 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 132,969 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 102,083 |
| Countries Closest to Africa | 0 | - | 4.96 | 153,750 |
| U.S. State Border Crossings | 0 | - | 4.96 | 88,084 |
| Boundary Waters | 0 | - | 4.92 | 87,011 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 33,979 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 93,234 |
