| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,353 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,951 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,415 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,606 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,940 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,061 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,268 |
| Countries with Megacities | 0 | - | 4.99 | 246,982 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,154 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,998 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,572 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,892 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,193 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,672 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,303 |
| European Countries with One Border | 0 | - | 4.97 | 181,646 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,541 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,849 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,946 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,896 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,500 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,616 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,282 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,824 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,118 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,253 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,491 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,309 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,287 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,618 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,580 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,819 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,228 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,134 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,120 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,123 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,639 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,015 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,678 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,838 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,990 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,018 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,872 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,002 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,412 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,604 |
| Random Countries by Borders | 0 | - | 4.99 | 81,682 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,618 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,851 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,959 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,581 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,500 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,480 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,436 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,507 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,801,411 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,243 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,138 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 102,949 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,706 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,785 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,933 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,793 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,221 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,855 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,536 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,090 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,235 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,766 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,309 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,497 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,124 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,663 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,701 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,965 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,878 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,073 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,501 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,536 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,668 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,593 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,062 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,176 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,759 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,695 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,541 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,779 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,812 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,028 |
| Olympic Host Countries | 0 | - | 4.98 | 198,909 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,825 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,588 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,647 |
| The Only European Country ... | 0 | - | 4.91 | 213,888 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,172 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,568 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,215 |
| Countries of Africa | 0 | - | 5.00 | 2,508,239 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,656 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,091 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,497 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,863 |
| Largest City by Island | 0 | - | 4.87 | 71,054 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,396 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,558 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,683 |
| Megacities on a World Map | 0 | - | 4.98 | 250,999 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,322 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,804 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,876 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,784 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,163 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,916 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,373 |
| Countries of the Middle East | 0 | - | 4.96 | 198,950 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,278 |
| Slavic Countries | 0 | - | 4.96 | 110,873 |
| African Island Countries | 0 | - | 4.96 | 100,800 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,501 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,479 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,028 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,847 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,730 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,503 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,133 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,906 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,810 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,640 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,724 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,780 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,160 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,176 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,298 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,587 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,291 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,431 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,266 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,510 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,676 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,358 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,913 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,392 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 59,968 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,729 |
| Most Populous Islands | 0 | - | 4.79 | 121,999 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,203 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,408 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,152 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,052 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,360 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,572 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,750 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,086 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,519 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,301 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,217 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,371 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,354 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,377 |
| Monarchies of Europe | 0 | - | 4.90 | 97,337 |
| Monarchies of Asia | 0 | - | 4.97 | 70,611 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,835 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,434 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,804 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,002 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,998 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,433 |
| Countries that Start with D | 0 | - | 4.96 | 701,624 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,607 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,890 |
| Countries that Start with H | 0 | - | 4.96 | 598,025 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,339 |
| Countries that Start with J | 0 | - | 4.98 | 596,081 |
| Countries that Start with K | 0 | - | 4.97 | 809,462 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,948 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,810 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,626 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,610 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,275 |
| Countries that Start with U | 0 | - | 4.97 | 899,962 |
| Countries that Start with V | 0 | - | 4.98 | 605,136 |
| Countries that Start with F | 0 | - | 4.83 | 612,233 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,442 |
| The Only African Country ... | 0 | - | 4.99 | 128,375 |
| The Only American Country ... | 0 | - | 4.92 | 120,770 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,783 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,680 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,642 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,197 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,189 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,258 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,050 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,413 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,064 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,119 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,963 |
| Boundary Waters | 0 | - | 4.92 | 88,047 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,818 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,295 |
