| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,521 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,098 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,520 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,714 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,012 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,096 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,684 |
| Countries with Megacities | 0 | - | 4.99 | 247,701 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,535 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,227 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,926 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,167 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,657 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,034 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,462 |
| European Countries with One Border | 0 | - | 4.97 | 181,779 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,674 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,054 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,320 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,061 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,574 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,845 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,436 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,186 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,411 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,431 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,641 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,438 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,375 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,728 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,649 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,911 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,337 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,260 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,275 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,204 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,980 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,207 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,851 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 413,100 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,203 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,190 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,021 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,096 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,882 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,536 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,703 |
| Random Countries by Borders | 0 | - | 4.99 | 81,757 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,649 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,900 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,020 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,118 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,757 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,574 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,535 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,511 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,667 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,804,788 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,624 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,189 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,285 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,774 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,860 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,957 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,861 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,255 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,908 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,573 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,142 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,278 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,856 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,329 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,578 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,216 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,856 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,934 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,416 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,087 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,710 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,717 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,663 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,169 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,759 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,186 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,283 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,839 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,832 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,246 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,168 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,302 |
| Olympic Host Countries | 0 | - | 4.98 | 199,060 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,936 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,795 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,349 |
| The Only European Country ... | 0 | - | 4.91 | 214,237 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,426 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,801 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,334 |
| Countries of Africa | 0 | - | 5.00 | 2,511,924 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,687 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,120 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,847 |
| Biggest Cities by Language | 0 | - | 4.96 | 240,831 |
| Largest City by Island | 0 | - | 4.87 | 71,157 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,464 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,691 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,457 |
| Megacities on a World Map | 0 | - | 4.98 | 251,389 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,941 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,891 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,984 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,026 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,325 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,088 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,663 |
| Countries of the Middle East | 0 | - | 4.96 | 199,220 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,403 |
| Slavic Countries | 0 | - | 4.96 | 110,978 |
| African Island Countries | 0 | - | 4.96 | 100,905 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,556 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,800 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,211 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,471 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,926 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,628 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,326 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,060 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,919 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,805 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,840 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,920 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,213 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,269 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,422 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,672 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,409 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,520 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,368 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,600 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,708 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,437 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,973 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,488 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,006 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,766 |
| Most Populous Islands | 0 | - | 4.79 | 122,058 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,215 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,426 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,236 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,177 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,666 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,620 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,777 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,551 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,673 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,392 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,297 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,483 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,431 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,447 |
| Monarchies of Europe | 0 | - | 4.90 | 97,448 |
| Monarchies of Asia | 0 | - | 4.97 | 70,666 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,869 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,488 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,053 |
| Countries that Start with A | 0 | - | 4.97 | 2,149,088 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,797 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,916 |
| Countries that Start with D | 0 | - | 4.96 | 702,627 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,821 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,194 |
| Countries that Start with H | 0 | - | 4.96 | 598,832 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,335 |
| Countries that Start with J | 0 | - | 4.98 | 596,876 |
| Countries that Start with K | 0 | - | 4.97 | 810,214 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,925 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,807 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,519 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,963 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,949 |
| Countries that Start with U | 0 | - | 4.97 | 900,539 |
| Countries that Start with V | 0 | - | 4.98 | 605,648 |
| Countries that Start with F | 0 | - | 4.83 | 612,922 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,488 |
| The Only African Country ... | 0 | - | 4.98 | 128,450 |
| The Only American Country ... | 0 | - | 4.92 | 120,878 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,820 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,735 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,823 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,248 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,227 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,305 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,131 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,548 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,192 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,466 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,028 |
| Boundary Waters | 0 | - | 4.92 | 88,093 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,862 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,410 |
