| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,250 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,991 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,184 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,323 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,106 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,070 |
| Countries with Megacities | 0 | - | 4.99 | 260,701 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,929 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,017 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,203 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,028 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,488 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,784 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,314 |
| European Countries with One Border | 0 | - | 4.97 | 182,546 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,354 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,569 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,458 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,695 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,283 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,385 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,941 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,976 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,246 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,419 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,830 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,778 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,123 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,099 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,533 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,171 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,454 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,096 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,807 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,935 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,710 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,694 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,928 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,642 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,702 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,498 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,552 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,064 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,663 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,361 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,064 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,603 |
| Random Countries by Borders | 0 | - | 4.99 | 82,295 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,773 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,144 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,338 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,157 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,020 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,912 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,873 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,772 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,919 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,823,128 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,630 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,430 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,535 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,113 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,203 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,105 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,170 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,460 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,258 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,795 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,437 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,538 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,275 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,734 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,015 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,747 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,524 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,982 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,260 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,947 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,969 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,431 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,239 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,577 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,521 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,701 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,809 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 61,811 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,404 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,901 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,937 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,599 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,612 |
| Olympic Host Countries | 0 | - | 4.98 | 200,422 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,650 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,892 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,210 |
| The Only European Country ... | 0 | - | 4.91 | 216,066 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,831 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,820 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,589 |
| Countries of Africa | 0 | - | 5.00 | 2,531,084 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,804 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,221 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,071 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,051 |
| Largest City by Island | 0 | - | 4.87 | 71,700 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,801 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,698 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,275 |
| Megacities on a World Map | 0 | - | 4.98 | 253,526 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,145 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,228 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,729 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,273 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,675 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,105 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,627 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,241 |
| Countries of the Middle East | 0 | - | 4.96 | 200,815 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,046 |
| Slavic Countries | 0 | - | 4.96 | 111,514 |
| African Island Countries | 0 | - | 4.96 | 101,463 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,808 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,841 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,618 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,935 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,688 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,310 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,233 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,487 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,906 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,713 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,464 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,564 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,526 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,109 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,011 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,425 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,045 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,995 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,842 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,112 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,866 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,967 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,296 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,281 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,191 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,988 |
| Most Populous Islands | 0 | - | 4.80 | 122,807 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,279 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,510 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,730 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,918 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,680 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,908 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,874 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,865 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,140 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,823 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,669 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,758 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,089 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,963 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,957 |
| Monarchies of Europe | 0 | - | 4.90 | 97,985 |
| Monarchies of Asia | 0 | - | 4.97 | 70,998 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,280 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,789 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,379 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,315 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,283 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,513 |
| Countries that Start with D | 0 | - | 4.96 | 707,841 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,091 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,773 |
| Countries that Start with H | 0 | - | 4.96 | 603,288 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,380 |
| Countries that Start with J | 0 | - | 4.98 | 601,119 |
| Countries that Start with K | 0 | - | 4.97 | 814,408 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,110 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,068 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,560 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,647 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,625 |
| Countries that Start with U | 0 | - | 4.97 | 903,486 |
| Countries that Start with V | 0 | - | 4.98 | 608,533 |
| Countries that Start with F | 0 | - | 4.83 | 616,440 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,857 |
| The Only African Country ... | 0 | - | 4.98 | 128,972 |
| The Only American Country ... | 0 | - | 4.92 | 121,426 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,071 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,997 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,272 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,838 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,461 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,674 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,705 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,289 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,807 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,029 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,376 |
