| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,254 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,739 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,993 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,185 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,325 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,131 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,077 |
| Countries with Megacities | 0 | - | 4.99 | 260,836 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,932 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,018 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,208 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,034 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,522 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,788 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,316 |
| European Countries with One Border | 0 | - | 4.97 | 182,550 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,358 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,571 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,462 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,695 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,288 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,389 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,943 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,981 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,255 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,419 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,832 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,781 |
| 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 | 92,545 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,174 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,456 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,099 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,807 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,937 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,713 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,698 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,935 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,643 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,703 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,507 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,559 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,072 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,667 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,363 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,066 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,604 |
| Random Countries by Borders | 0 | - | 4.99 | 82,296 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,773 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,145 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,340 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,157 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,025 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,914 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,876 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,773 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,941 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,823,220 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,635 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,430 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,538 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,114 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,206 |
| 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 | 108,260 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,796 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,439 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,539 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,276 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,734 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,016 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,748 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,530 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,999 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,275 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,959 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,985 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,441 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,244 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,584 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,528 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,705 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,812 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 62,119 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,408 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,905 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,991 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,612 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,617 |
| Olympic Host Countries | 0 | - | 4.98 | 200,428 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,653 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,901 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,228 |
| The Only European Country ... | 0 | - | 4.91 | 216,083 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,837 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,827 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,593 |
| Countries of Africa | 0 | - | 5.00 | 2,531,194 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,805 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,222 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,076 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,056 |
| Largest City by Island | 0 | - | 4.87 | 71,705 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,803 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,702 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,277 |
| Megacities on a World Map | 0 | - | 4.98 | 253,542 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,165 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,230 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,733 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,280 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,109 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,652 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,246 |
| Countries of the Middle East | 0 | - | 4.96 | 200,819 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,048 |
| Slavic Countries | 0 | - | 4.96 | 111,517 |
| African Island Countries | 0 | - | 4.96 | 101,468 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,808 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,843 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,639 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,955 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,693 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,316 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,239 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,487 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,913 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,719 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,468 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,569 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,528 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,112 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,014 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,427 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,050 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,998 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,846 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,116 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,867 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,968 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,299 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,286 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,191 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,988 |
| Most Populous Islands | 0 | - | 4.80 | 122,811 |
| 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 | 73,736 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,920 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,684 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,910 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,875 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,875 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,146 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,826 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,696 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,762 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,091 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,965 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,959 |
| Monarchies of Europe | 0 | - | 4.90 | 97,986 |
| Monarchies of Asia | 0 | - | 4.97 | 70,998 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,285 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,790 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,398 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,373 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,344 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,556 |
| Countries that Start with D | 0 | - | 4.96 | 707,874 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,135 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,818 |
| Countries that Start with H | 0 | - | 4.96 | 603,313 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,403 |
| Countries that Start with J | 0 | - | 4.98 | 601,143 |
| Countries that Start with K | 0 | - | 4.97 | 814,449 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,137 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,097 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,593 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,689 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,649 |
| Countries that Start with U | 0 | - | 4.97 | 903,504 |
| Countries that Start with V | 0 | - | 4.98 | 608,548 |
| Countries that Start with F | 0 | - | 4.83 | 616,459 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,883 |
| The Only African Country ... | 0 | - | 4.98 | 128,973 |
| The Only American Country ... | 0 | - | 4.92 | 121,429 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,071 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,998 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,275 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,840 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,463 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,680 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,708 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,295 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,807 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,032 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,377 |
