| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,448 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,901 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,162 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,319 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,422 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,326 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,474 |
| Countries with Megacities | 0 | - | 4.99 | 263,458 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,314 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,256 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,609 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,292 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,796 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,361 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,602 |
| European Countries with One Border | 0 | - | 4.97 | 182,792 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,591 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,722 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,819 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,913 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,395 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,545 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,089 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,495 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,819 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,636 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,890 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,004 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,291 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,199 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,756 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,253 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,544 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,256 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,973 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,129 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,864 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,957 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,185 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,851 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 415,147 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,907 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,864 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,341 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,839 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,436 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,286 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,746 |
| Random Countries by Borders | 0 | - | 4.99 | 82,447 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,820 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,224 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,442 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,352 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,042 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,979 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,861 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,928 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,829,150 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,254 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,512 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,693 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,235 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,325 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,159 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,289 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,531 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,355 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,873 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,545 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,647 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,406 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,773 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,157 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,895 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,963 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,566 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,085 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,370 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,898 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,833 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,535 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,678 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,923 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,716 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,060 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,519 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,647 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,356 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,493 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,204 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,059 |
| Olympic Host Countries | 0 | - | 4.98 | 200,752 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,838 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,275 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,490 |
| The Only European Country ... | 0 | - | 4.91 | 216,669 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,289 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,158 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,657 |
| Countries of Africa | 0 | - | 5.00 | 2,537,403 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,862 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,254 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,558 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,409 |
| Largest City by Island | 0 | - | 4.87 | 71,875 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,999 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,966 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,533 |
| Megacities on a World Map | 0 | - | 4.98 | 254,558 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,229 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,349 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,944 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,685 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,822 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,386 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,810 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,743 |
| Countries of the Middle East | 0 | - | 4.96 | 201,194 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,300 |
| Slavic Countries | 0 | - | 4.96 | 111,669 |
| African Island Countries | 0 | - | 4.96 | 101,642 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,886 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,240 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,048 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,369 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,911 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,519 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,535 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,611 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,145 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,002 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,678 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,748 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,614 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,235 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,217 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,589 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,253 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,163 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,004 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,272 |
| Bordering Countries by HDI Difference | 0 | - | 4.88 | 51,932 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,162 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,404 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,520 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,255 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,066 |
| Most Populous Islands | 0 | - | 4.80 | 122,935 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,302 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,534 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,954 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,249 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,011 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,096 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,946 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,730 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,424 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,991 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,160 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,912 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,302 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,128 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,092 |
| Monarchies of Europe | 0 | - | 4.90 | 98,162 |
| Monarchies of Asia | 0 | - | 4.97 | 71,094 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,382 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,896 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,842 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,809 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,509 |
| Countries that Start with C | 0 | - | 4.96 | 1,822,214 |
| Countries that Start with D | 0 | - | 4.96 | 709,714 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,303 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,439 |
| Countries that Start with H | 0 | - | 4.96 | 604,823 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,399 |
| Countries that Start with J | 0 | - | 4.98 | 602,506 |
| Countries that Start with K | 0 | - | 4.97 | 815,855 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,823 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,806 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,206 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,928 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,908 |
| Countries that Start with U | 0 | - | 4.97 | 904,556 |
| Countries that Start with V | 0 | - | 4.98 | 609,390 |
| Countries that Start with F | 0 | - | 4.83 | 617,668 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,779 |
| The Only African Country ... | 0 | - | 4.99 | 129,105 |
| The Only American Country ... | 0 | - | 4.92 | 121,620 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,130 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,074 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,367 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,966 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,588 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,786 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,869 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,549 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,014 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,211 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,484 |
