| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,754 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,170 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,346 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,508 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,533 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,762 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,964 |
| Countries with Megacities | 0 | - | 4.99 | 264,696 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,793 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,504 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,059 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,578 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,575 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,053 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,952 |
| European Countries with One Border | 0 | - | 4.97 | 183,134 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,906 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,962 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,243 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,183 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,585 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,760 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,238 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,169 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,502 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,887 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,991 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,252 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,523 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,310 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,931 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,349 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,647 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,421 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,215 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,377 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,052 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,443 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,451 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,138 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,049 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,369 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,260 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,680 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,363 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,586 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,544 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,926 |
| Random Countries by Borders | 0 | - | 4.99 | 82,666 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,878 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,323 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,599 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,193 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,712 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,191 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,107 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,326 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,096 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,835,648 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,096 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,597 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,855 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,438 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,667 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,569 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,672 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,635 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,738 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,971 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,892 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 132,414 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,674 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,820 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,527 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,083 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,313 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,058 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,955 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,775 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 137,392 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,174 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,788 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,810 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,305 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,193 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,300 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,846 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,923 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,159 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,303 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,818 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,600 |
| Olympic Host Countries | 0 | - | 4.98 | 201,135 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,117 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,706 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,869 |
| The Only European Country ... | 0 | - | 4.91 | 217,423 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,832 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,594 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,744 |
| Countries of Africa | 0 | - | 5.00 | 2,545,344 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,911 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,305 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,078 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,007 |
| Largest City by Island | 0 | - | 4.87 | 72,081 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,173 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,225 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,791 |
| Megacities on a World Map | 0 | - | 4.98 | 255,389 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,507 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,522 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,199 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,256 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,726 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,842 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,410 |
| Countries of the Middle East | 0 | - | 4.96 | 201,719 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,569 |
| Slavic Countries | 0 | - | 4.96 | 111,895 |
| African Island Countries | 0 | - | 4.96 | 101,885 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,966 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,660 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 48,102 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,973 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,253 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,807 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,860 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,798 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,634 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,379 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,939 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,044 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,721 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,411 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,448 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,802 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,493 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,379 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,231 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,446 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,007 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,357 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,546 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,779 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,431 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,140 |
| Most Populous Islands | 0 | - | 4.80 | 123,057 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,327 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,572 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,169 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,567 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,381 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,226 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,001 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,836 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,733 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,195 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,359 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,105 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,567 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,282 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,221 |
| Monarchies of Europe | 0 | - | 4.90 | 98,358 |
| Monarchies of Asia | 0 | - | 4.97 | 71,229 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,497 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,030 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,516 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,922 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,305 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,188 |
| Countries that Start with D | 0 | - | 4.96 | 711,882 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,809 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,072 |
| Countries that Start with H | 0 | - | 4.96 | 606,332 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,359 |
| Countries that Start with J | 0 | - | 4.98 | 603,926 |
| Countries that Start with K | 0 | - | 4.97 | 817,469 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,710 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,776 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,154 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,693 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,364 |
| Countries that Start with U | 0 | - | 4.97 | 905,715 |
| Countries that Start with V | 0 | - | 4.98 | 610,187 |
| Countries that Start with F | 0 | - | 4.83 | 618,821 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,910 |
| The Only African Country ... | 0 | - | 4.99 | 129,283 |
| The Only American Country ... | 0 | - | 4.92 | 121,826 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,212 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,155 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,471 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 109,069 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,705 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,893 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,055 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,867 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,275 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,410 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,621 |
