| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,964 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,485 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,803 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,968 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,211 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,529 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,483 |
| Countries with Megacities | 0 | - | 4.99 | 249,407 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,333 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,663 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,662 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,637 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,873 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,090 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,937 |
| European Countries with One Border | 0 | - | 4.97 | 182,234 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,096 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,353 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,046 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,430 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,134 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,170 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,715 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,311 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,532 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,054 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,132 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,902 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,904 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 90,904 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,018 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,290 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,880 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,585 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,681 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,518 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,386 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,645 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,345 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,101 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,933 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,759 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,597 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,422 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,067 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,870 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,404 |
| Random Countries by Borders | 0 | - | 4.99 | 82,090 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,718 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,050 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,220 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,141 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,466 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,781 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,737 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,677 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,802 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,816,094 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,797 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,350 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,343 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,986 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,069 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,047 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,060 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,363 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,123 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,710 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,329 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,427 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,126 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,384 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,853 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,483 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,255 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,547 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,526 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,587 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,063 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,126 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,014 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,688 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,204 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,499 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,564 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,091 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,170 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,017 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,025 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,124 |
| Olympic Host Countries | 0 | - | 4.98 | 199,777 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,362 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,459 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 306,653 |
| The Only European Country ... | 0 | - | 4.91 | 215,410 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,297 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,467 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,504 |
| Countries of Africa | 0 | - | 5.00 | 2,523,836 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,748 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,180 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,695 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,642 |
| Largest City by Island | 0 | - | 4.87 | 71,488 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,646 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,365 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,055 |
| Megacities on a World Map | 0 | - | 4.98 | 252,558 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,897 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,069 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,462 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,787 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,850 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,234 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,646 |
| Countries of the Middle East | 0 | - | 4.96 | 200,037 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,824 |
| Slavic Countries | 0 | - | 4.96 | 111,325 |
| African Island Countries | 0 | - | 4.96 | 101,238 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,717 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,480 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,980 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,254 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,412 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,068 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,858 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,335 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,405 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,351 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,235 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,310 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,438 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,586 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,773 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,977 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,781 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,796 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,646 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,898 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,800 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,734 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,175 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,807 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,109 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,874 |
| Most Populous Islands | 0 | - | 4.80 | 122,661 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,255 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,474 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,506 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,503 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,278 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,784 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,834 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,905 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,691 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,626 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,583 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,870 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,789 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,792 |
| Monarchies of Europe | 0 | - | 4.90 | 97,767 |
| Monarchies of Asia | 0 | - | 4.97 | 70,876 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,031 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,683 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,854 |
| Countries that Start with A | 0 | - | 4.98 | 2,155,364 |
| Countries that Start with B | 0 | - | 4.95 | 2,287,491 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,446 |
| Countries that Start with D | 0 | - | 4.96 | 705,731 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,587 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,114 |
| Countries that Start with H | 0 | - | 4.96 | 601,442 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,331 |
| Countries that Start with J | 0 | - | 4.98 | 599,405 |
| Countries that Start with K | 0 | - | 4.97 | 812,569 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,791 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,827 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,604 |
| Countries that Start with S | 0 | - | 4.98 | 1,749,948 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,169 |
| Countries that Start with U | 0 | - | 4.97 | 902,327 |
| Countries that Start with V | 0 | - | 4.98 | 607,480 |
| Countries that Start with F | 0 | - | 4.83 | 615,043 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,700 |
| The Only African Country ... | 0 | - | 4.99 | 128,768 |
| The Only American Country ... | 0 | - | 4.92 | 121,236 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,957 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,905 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,072 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,460 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,414 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,517 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,503 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,039 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,587 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,791 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,252 |
| Boundary Waters | 0 | - | 4.92 | 88,285 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,006 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,710 |
