| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,849 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,557 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,570 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,042 |
| Countries with Megacities | 0 | - | 4.99 | 246,612 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,966 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,831 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,404 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,773 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,622 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,512 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,836 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,451 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,570 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,961 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,171 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,919 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,121 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,275 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,880 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,366 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,549 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,416 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,256 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,235 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,576 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,541 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,778 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,182 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,084 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,053 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,754 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,869 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,943 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,803 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,963 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,605 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,814 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,356 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,837 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,915 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,566 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,516 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,076 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,937 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,115 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,431 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,090 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,615 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,608 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,808 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,812 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,938 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,455 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,492 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,543 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,033 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,135 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,721 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,647 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,916 |
| Olympic Host Countries | 0 | - | 4.98 | 198,847 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,788 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,489 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,312 |
| The Only European Country ... | 0 | - | 4.91 | 213,739 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,061 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,472 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,187 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,129 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 118,917 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,501 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,250 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,709 |
| Countries of Africa | 0 | - | 5.00 | 2,506,878 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,650 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,083 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,387 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,812 |
| Largest City by Island | 0 | - | 4.87 | 71,012 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,364 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,509 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,626 |
| Megacities on a World Map | 0 | - | 4.98 | 250,857 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,070 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,776 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,839 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,664 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,118 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,481 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,253 |
| Countries of the Middle East | 0 | - | 4.96 | 198,854 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,222 |
| Slavic Countries | 0 | - | 4.96 | 110,827 |
| African Island Countries | 0 | - | 4.96 | 100,755 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 96,587 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,486 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,964 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,312 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,676 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,457 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,052 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,744 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,221 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,583 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,679 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,735 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,137 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,143 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,258 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,542 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,232 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,377 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,207 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,485 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,712 |
| Boundary Waters | 0 | - | 4.92 | 88,027 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,801 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,246 |
| Most Populous Islands | 0 | - | 4.79 | 121,960 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,197 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,400 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,121 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,977 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,271 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,554 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,921 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,476 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,278 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,250 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,165 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,325 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,316 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,346 |
| Monarchies of Europe | 0 | - | 4.90 | 97,290 |
| Monarchies of Asia | 0 | - | 4.97 | 70,587 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,813 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,422 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,711 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,233 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,364 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,884 |
| Countries that Start with D | 0 | - | 4.96 | 701,251 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,181 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,425 |
| Countries that Start with H | 0 | - | 4.96 | 597,710 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,019 |
| Countries that Start with J | 0 | - | 4.98 | 595,789 |
| Countries that Start with K | 0 | - | 4.97 | 809,193 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,625 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,474 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,308 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,167 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,015 |
| Countries that Start with U | 0 | - | 4.97 | 899,780 |
| Countries that Start with V | 0 | - | 4.98 | 604,946 |
| Countries that Start with F | 0 | - | 4.83 | 612,002 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,052 |
| The Only African Country ... | 0 | - | 4.99 | 128,334 |
| The Only American Country ... | 0 | - | 4.92 | 120,725 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,769 |
| Five Most Guessed Countries by Continent | 0 | - | 4.96 | 171,369 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,865 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,237 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,024 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,334 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,998 |
| European Countries with One Border | 0 | - | 4.97 | 181,582 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,491 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,074 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,899,775 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,890 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,894 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,682 |
| Biggest City by Region | 0 | - | 4.50 | 35,990 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,892 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,525 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,108 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,411 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,543 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,008 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,216 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,911 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,756 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,248 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,811 |
| Landlocked Countries | 0 | - | 4.99 | 413,369 |
| UK Immigration by Country | 0 | - | 4.94 | 139,579 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,561 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,255 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,632 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,784 |
| Central American Countries | 0 | - | 4.98 | 155,004 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,626 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,751 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,009 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,208 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,844 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,034 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,809 |
