| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,884 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,290 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,448 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,578 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,595 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,565 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,215 |
| Countries with Megacities | 0 | - | 4.99 | 265,341 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,043 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,645 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,285 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,718 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,957 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,407 |
| 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 | 87,042 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,444 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,314 |
| 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 | 59,319 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,501 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,931 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,007 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,410 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,606 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,356 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,002 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,387 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,691 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,506 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,321 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,513 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,142 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,576 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,592 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,295 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,401 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,658 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,485 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,092 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,519 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,658 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,632 |
| 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 | 64,354 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,657 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,201 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,914 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,269 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,161 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,386 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,396 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,838,855 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,663 |
| 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 | 95,752 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,689 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,834 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,004 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,963 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,176 |
| 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 | 128,173 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,503 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,370 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,373 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,986 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 147,456 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,369 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,940 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,316 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,544 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,328 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,416 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,939 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,058 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,516 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,596 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,118 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,945 |
| Olympic Host Countries | 0 | - | 4.98 | 201,330 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,409 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,329 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,611 |
| The Only European Country ... | 0 | - | 4.91 | 217,861 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,105 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,891 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,792 |
| Countries of Africa | 0 | - | 5.00 | 2,548,831 |
| 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 | 129,229 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,201 |
| Largest City by Island | 0 | - | 4.87 | 72,168 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,254 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,352 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,889 |
| Megacities on a World Map | 0 | - | 4.98 | 255,764 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,190 |
| 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 | 75,325 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,505 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,875 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,100 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,798 |
| Countries of the Middle East | 0 | - | 4.96 | 201,938 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,756 |
| Slavic Countries | 0 | - | 4.96 | 112,028 |
| African Island Countries | 0 | - | 4.96 | 102,071 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,014 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,847 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 51,867 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,253 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,394 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,943 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,108 |
| 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 | 217,798 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,125 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,189 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,793 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,530 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,682 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,136 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,874 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,552 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,734 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,787 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,042 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,482 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,610 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,875 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,479 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,181 |
| Most Populous Islands | 0 | - | 4.80 | 123,116 |
| 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 | 347,314 |
| 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 | 135,706 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,380 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,294 |
| 10 Easternmost Countries in Africa | 0 | - | 4.96 | 21,675 |
| Monarchies of Europe | 0 | - | 4.90 | 98,478 |
| 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 | 136,748 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,118 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,228 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,746 |
| Countries that Start with D | 0 | - | 4.96 | 713,038 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,135 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,392 |
| Countries that Start with H | 0 | - | 4.96 | 607,155 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,453 |
| Countries that Start with J | 0 | - | 4.98 | 604,684 |
| Countries that Start with K | 0 | - | 4.97 | 818,275 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,751 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,792 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,139 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,047 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,091 |
| Countries that Start with U | 0 | - | 4.97 | 906,299 |
| Countries that Start with V | 0 | - | 4.98 | 610,631 |
| Countries that Start with F | 0 | - | 4.83 | 619,445 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,027 |
| The Only African Country ... | 0 | - | 4.99 | 129,392 |
| The Only American Country ... | 0 | - | 4.92 | 121,925 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,268 |
| 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 | 87,755 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,085 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,178 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,043 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,429 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,515 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,682 |
