| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,548 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,115 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,532 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,734 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,021 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,264 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,722 |
| Countries with Megacities | 0 | - | 4.99 | 247,802 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,588 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,245 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,971 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,194 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,899 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,090 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,483 |
| European Countries with One Border | 0 | - | 4.97 | 181,797 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,697 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,085 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,346 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,074 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,582 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,864 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,447 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,275 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,467 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,461 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,663 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,457 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,388 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,738 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,654 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,916 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,358 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,281 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,299 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,226 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,001 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,225 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,864 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 413,154 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,244 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,214 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,047 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,107 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,891 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,560 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,718 |
| Random Countries by Borders | 0 | - | 4.99 | 81,769 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,650 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,907 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,027 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,119 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,772 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,578 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,544 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,520 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,834 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,805,252 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,681 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,198 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,433 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,782 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,871 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,962 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,872 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,263 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,920 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,579 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,150 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,290 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,866 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,333 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,590 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,239 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,881 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,992 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,490 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,109 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,799 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,751 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,679 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,283 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,785 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,209 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,296 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,849 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,859 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,470 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,212 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,345 |
| Olympic Host Countries | 0 | - | 4.98 | 199,087 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,947 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,835 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,443 |
| The Only European Country ... | 0 | - | 4.91 | 214,313 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,480 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,835 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,348 |
| Countries of Africa | 0 | - | 5.00 | 2,512,498 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,689 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,125 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,899 |
| Biggest Cities by Language | 0 | - | 4.96 | 241,840 |
| Largest City by Island | 0 | - | 4.87 | 71,171 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,475 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,707 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,524 |
| Megacities on a World Map | 0 | - | 4.98 | 251,464 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,052 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,899 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,008 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,068 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,348 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,221 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,716 |
| Countries of the Middle East | 0 | - | 4.96 | 199,258 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,430 |
| Slavic Countries | 0 | - | 4.96 | 110,997 |
| African Island Countries | 0 | - | 4.96 | 100,913 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,565 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,828 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,236 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,799 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,942 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,643 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,344 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,122 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,939 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,831 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,856 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,934 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,220 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,283 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,447 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,686 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,422 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,529 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,381 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,617 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,710 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,452 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,983 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,504 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,012 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,769 |
| Most Populous Islands | 0 | - | 4.79 | 122,067 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,218 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,428 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,252 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,190 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,703 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,630 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,780 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,620 |
| Megacities on an Empty Map | 0 | - | 4.96 | 105,081 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,406 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,313 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,505 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,442 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,474 |
| Monarchies of Europe | 0 | - | 4.90 | 97,471 |
| Monarchies of Asia | 0 | - | 4.97 | 70,678 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,874 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,496 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,092 |
| Countries that Start with A | 0 | - | 4.98 | 2,149,403 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,118 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,154 |
| Countries that Start with D | 0 | - | 4.96 | 702,793 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,023 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,414 |
| Countries that Start with H | 0 | - | 4.96 | 598,954 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,502 |
| Countries that Start with J | 0 | - | 4.98 | 597,019 |
| Countries that Start with K | 0 | - | 4.97 | 810,334 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,068 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,957 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,677 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,173 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,070 |
| Countries that Start with U | 0 | - | 4.97 | 900,630 |
| Countries that Start with V | 0 | - | 4.98 | 605,728 |
| Countries that Start with F | 0 | - | 4.83 | 613,038 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,653 |
| The Only African Country ... | 0 | - | 4.99 | 128,463 |
| The Only American Country ... | 0 | - | 4.92 | 120,889 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,822 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,744 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,844 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,256 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,230 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,313 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,150 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,573 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,209 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,484 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,035 |
| Boundary Waters | 0 | - | 4.92 | 88,102 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,872 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,428 |
