| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,884 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,291 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,449 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,579 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,595 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,567 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,218 |
| Countries with Megacities | 0 | - | 4.99 | 265,345 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,044 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,646 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,289 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,720 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,975 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,410 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,134 |
| European Countries with One Border | 0 | - | 4.97 | 183,300 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,080 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,043 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,444 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,315 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,666 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,862 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,320 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,503 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,937 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,009 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,411 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,607 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,357 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,003 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,388 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,692 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,506 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,322 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,514 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,143 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,580 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,593 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,295 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,410 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,662 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,489 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,099 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,520 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,659 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,634 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,996 |
| Random Countries by Borders | 0 | - | 4.99 | 82,771 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,910 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,357 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,658 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,201 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,919 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,269 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,162 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,386 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,403 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,838,881 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,665 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,641 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,926 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,511 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,745 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,609 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,753 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,690 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,835 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,005 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,964 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,179 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,766 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,853 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,636 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,174 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,505 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,371 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,375 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,986 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 147,475 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,371 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,942 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,316 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,546 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,328 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,418 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,940 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,059 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,521 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,609 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,120 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,946 |
| Olympic Host Countries | 0 | - | 4.98 | 201,332 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,412 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,332 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,620 |
| The Only European Country ... | 0 | - | 4.91 | 217,863 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,105 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,895 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,792 |
| Countries of Africa | 0 | - | 5.00 | 2,548,862 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,933 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,320 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,231 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,203 |
| Largest City by Island | 0 | - | 4.87 | 72,169 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,255 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,354 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,891 |
| Megacities on a World Map | 0 | - | 4.98 | 255,767 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,193 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,580 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,327 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,505 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,877 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,125 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,801 |
| Countries of the Middle East | 0 | - | 4.96 | 201,941 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,756 |
| Slavic Countries | 0 | - | 4.96 | 112,029 |
| African Island Countries | 0 | - | 4.96 | 102,072 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,014 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,849 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 51,870 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,268 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,395 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,943 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,110 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,886 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,792 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,799 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,127 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,191 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,794 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,532 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,684 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,142 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,878 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,553 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,747 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,790 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,042 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,483 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,612 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,876 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,479 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,182 |
| Most Populous Islands | 0 | - | 4.80 | 123,118 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,338 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,587 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,237 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,688 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,551 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,272 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,025 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,315 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,868 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,284 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,436 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,226 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,707 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,381 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,294 |
| 10 Easternmost Countries in Africa | 0 | - | 4.96 | 21,837 |
| Monarchies of Europe | 0 | - | 4.90 | 98,480 |
| Monarchies of Asia | 0 | - | 4.97 | 71,309 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,568 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,098 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,751 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,148 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,248 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,756 |
| Countries that Start with D | 0 | - | 4.96 | 713,047 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,146 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,403 |
| Countries that Start with H | 0 | - | 4.96 | 607,162 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,457 |
| Countries that Start with J | 0 | - | 4.98 | 604,692 |
| Countries that Start with K | 0 | - | 4.97 | 818,278 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,755 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,799 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,142 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,052 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,096 |
| Countries that Start with U | 0 | - | 4.97 | 906,303 |
| Countries that Start with V | 0 | - | 4.98 | 610,635 |
| Countries that Start with F | 0 | - | 4.83 | 619,449 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,030 |
| The Only African Country ... | 0 | - | 4.99 | 129,392 |
| The Only American Country ... | 0 | - | 4.92 | 121,927 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,270 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,198 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,523 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,133 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,756 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,088 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,179 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,043 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,430 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,516 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,683 |
