| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,372 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,770 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,905 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,820 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,562 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,210 |
| Countries with Megacities | 0 | - | 4.99 | 267,206 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,887 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,160 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,205 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,269 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,374 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,550 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,931 |
| European Countries with One Border | 0 | - | 4.97 | 183,819 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,557 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,337 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,106 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,681 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,915 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,230 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,631 |
| Countries with the Most Borders | 0 | - | 4.97 | 390,644 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,160 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,425 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,835 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,906 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,542 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,207 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,520 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,864 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,778 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,682 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,947 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,442 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,011 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,025 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,714 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 417,887 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,520 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,119 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,806 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,900 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,875 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,998 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,257 |
| Random Countries by Borders | 0 | - | 4.99 | 83,102 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,984 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,501 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,800 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,221 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,563 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,476 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,350 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,532 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,763 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,849,377 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,928 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,770 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,141 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,014 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,955 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,703 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,067 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,844 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,113 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,144 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,195 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,806 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,106 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,917 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,898 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,460 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,952 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,985 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,811 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,460 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,493 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,064 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,806 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,269 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,697 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,979 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,634 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,740 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,228 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,412 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,438 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,301 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,099 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,839 |
| Olympic Host Countries | 0 | - | 4.98 | 201,989 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,925 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,171 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,050 |
| The Only European Country ... | 0 | - | 4.91 | 219,079 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,983 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,549 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,932 |
| Countries of Africa | 0 | - | 5.00 | 2,560,450 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,032 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,389 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,623 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,691 |
| Largest City by Island | 0 | - | 4.87 | 72,460 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,430 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,712 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,154 |
| Megacities on a World Map | 0 | - | 4.98 | 257,008 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,079 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,775 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,694 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,485 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,699 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,832 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,840 |
| Countries of the Middle East | 0 | - | 4.96 | 202,980 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,197 |
| Slavic Countries | 0 | - | 4.96 | 112,382 |
| African Island Countries | 0 | - | 4.96 | 102,494 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,184 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,483 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 53,192 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,718 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,837 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,332 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,654 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 140,303 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,185 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,503 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,541 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,550 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,981 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,823 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,082 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,781 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,333 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,932 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,177 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 36,894 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,152 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,798 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,823 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,281 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,590 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,362 |
| Most Populous Islands | 0 | - | 4.80 | 123,346 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,385 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,651 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,577 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,005 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,178 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,437 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,101 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,808 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,235 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,523 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,689 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,478 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,121 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,684 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,526 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,122 |
| Monarchies of Europe | 0 | - | 4.90 | 98,887 |
| Monarchies of Asia | 0 | - | 4.97 | 71,514 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,714 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,294 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,548 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,012 |
| Countries that Start with B | 0 | - | 4.95 | 2,306,723 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,663 |
| Countries that Start with D | 0 | - | 4.96 | 716,566 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,257 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,699 |
| Countries that Start with H | 0 | - | 4.96 | 609,676 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,700 |
| Countries that Start with J | 0 | - | 4.98 | 607,070 |
| Countries that Start with K | 0 | - | 4.97 | 820,861 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,947 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,003 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,148 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,323 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,012 |
| Countries that Start with U | 0 | - | 4.97 | 908,561 |
| Countries that Start with V | 0 | - | 4.98 | 612,069 |
| Countries that Start with F | 0 | - | 4.83 | 621,363 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,404 |
| The Only African Country ... | 0 | - | 4.99 | 129,679 |
| The Only American Country ... | 0 | - | 4.92 | 122,225 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,383 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,371 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,681 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,336 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,921 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,335 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,825 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,534 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,875 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,849 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,897 |