| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,685 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,234 |
| Countries with Megacities | 0 | - | 4.99 | 248,860 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,086 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,522 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,448 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,473 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,685 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,782 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,260 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,864 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,306 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,066 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,074 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,618 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,266 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,213 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,767 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,515 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,325 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,834 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,338 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,709 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,889 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,598 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,952 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,652 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,520 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,878 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,755 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,009 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,522 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,486 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,562 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,698 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,582 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,435 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,337 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,695 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,014 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,783 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,004 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,145 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,893 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,142 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,833 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,160 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,309 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,229 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,411 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,134 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,368 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,247 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,426 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,674 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,993 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,921 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,082 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,412 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,493 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,025 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,065 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,248 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,879 |
| Olympic Host Countries | 0 | - | 4.98 | 199,459 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,241 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,271 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,825 |
| The Only European Country ... | 0 | - | 4.91 | 215,060 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,039 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,274 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,462 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,304 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,674 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,799 |
| Countries of Africa | 0 | - | 5.00 | 2,520,797 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,729 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,161 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,453 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,361 |
| Largest City by Island | 0 | - | 4.87 | 71,381 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,586 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,945 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,942 |
| Megacities on a World Map | 0 | - | 4.98 | 252,277 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,381 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,022 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,349 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,558 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,713 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,290 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,363 |
| Countries of the Middle East | 0 | - | 4.96 | 199,821 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,715 |
| Slavic Countries | 0 | - | 4.96 | 111,230 |
| African Island Countries | 0 | - | 4.96 | 101,130 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,672 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,275 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,626 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,034 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,284 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,957 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,727 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,182 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,186 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,122 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,213 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,393 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,502 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,681 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,869 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,659 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,714 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,567 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,821 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,839 |
| Boundary Waters | 0 | - | 4.92 | 88,220 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,957 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,635 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,792 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,105 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,019 |
| Most Populous Islands | 0 | - | 4.79 | 122,191 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,236 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,448 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,433 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,403 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,119 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,719 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,502 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,300 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,558 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,781 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,517 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,752 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,717 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,730 |
| Monarchies of Europe | 0 | - | 4.90 | 97,685 |
| Monarchies of Asia | 0 | - | 4.97 | 70,823 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,951 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,618 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,598 |
| Countries that Start with A | 0 | - | 4.98 | 2,153,560 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,860 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,116 |
| Countries that Start with D | 0 | - | 4.96 | 704,829 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,476 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,982 |
| Countries that Start with H | 0 | - | 4.96 | 600,690 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,486 |
| Countries that Start with J | 0 | - | 4.98 | 598,725 |
| Countries that Start with K | 0 | - | 4.97 | 811,889 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,988 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,948 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,796 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,747 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,547 |
| Countries that Start with U | 0 | - | 4.97 | 901,816 |
| Countries that Start with V | 0 | - | 4.98 | 607,035 |
| Countries that Start with F | 0 | - | 4.83 | 614,454 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,776 |
| The Only African Country ... | 0 | - | 4.99 | 128,689 |
| The Only American Country ... | 0 | - | 4.92 | 121,156 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,917 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,447 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,343 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,895 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,478 |
| European Countries with One Border | 0 | - | 4.97 | 182,092 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,958 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,702 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,151,922 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,195 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,988 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,835 |
| Biggest City by Region | 0 | - | 4.50 | 36,061 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,993 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,684 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,274 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,201 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,107 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,101 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,283 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,070 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,366 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,320 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,908 |
| Landlocked Countries | 0 | - | 4.99 | 416,516 |
| UK Immigration by Country | 0 | - | 4.94 | 140,133 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,652 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,559 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,888 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,057 |
| Central American Countries | 0 | - | 4.98 | 155,504 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,014 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,405 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,138 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,682 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,158 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,145 |