| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,354 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,782 |
| Countries with Megacities | 0 | - | 4.99 | 249,986 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,634 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,855 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,940 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,834 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,398 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,493 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,474 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,262 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,595 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,222 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,293 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,848 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,570 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,929 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,294 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,801 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,463 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,124 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,630 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,911 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,103 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,787 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,659 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,038 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,029 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,235 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,125 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,397 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,023 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,716 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,821 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,290 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,384 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,923 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,551 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,748 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,133 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,986 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.64 | 64,101 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,276 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,543 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,180 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,806 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,030 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,289 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,845 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,388 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,458 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,639 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,387 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,768 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,903 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,781 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,536 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,274 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,120 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,357 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,595 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,707 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,164 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,295 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,714 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,390 |
| Olympic Host Countries | 0 | - | 4.98 | 200,211 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,521 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,710 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,627 |
| The Only European Country ... | 0 | - | 4.91 | 215,831 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,608 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,658 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,548 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,168 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,771 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,347 |
| Countries of Africa | 0 | - | 5.00 | 2,528,428 |
| United States Map Quiz | 0 | - | 4.98 | 4,152,451 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,780 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,199 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,951 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,880 |
| Largest City by Island | 0 | - | 4.87 | 71,597 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,727 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,577 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,176 |
| Megacities on a World Map | 0 | - | 4.98 | 252,990 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,589 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,161 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,614 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,053 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,998 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,637 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,010 |
| Countries of the Middle East | 0 | - | 4.96 | 200,640 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,933 |
| Slavic Countries | 0 | - | 4.96 | 111,436 |
| African Island Countries | 0 | - | 4.96 | 101,366 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,768 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,690 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,273 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,888 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,593 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,215 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,082 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,724 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,568 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,366 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,468 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,489 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,017 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,911 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,322 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,931 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,922 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,766 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,013 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,924 |
| Boundary Waters | 0 | - | 4.92 | 88,349 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,054 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,860 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,087 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,297 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,222 |
| Most Populous Islands | 0 | - | 4.80 | 122,744 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,267 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,488 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,618 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,622 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,521 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,847 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,471 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,994 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,739 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,206 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,931 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,030 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,208 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,686 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,988 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,882 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,893 |
| Monarchies of Europe | 0 | - | 4.90 | 97,890 |
| Monarchies of Asia | 0 | - | 4.97 | 70,934 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,195 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,749 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,663 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,664 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,225 |
| Countries that Start with D | 0 | - | 4.96 | 706,944 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,053 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,695 |
| Countries that Start with H | 0 | - | 4.96 | 602,519 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,522 |
| Countries that Start with J | 0 | - | 4.98 | 600,404 |
| Countries that Start with K | 0 | - | 4.97 | 813,502 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,286 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,233 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,715 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,533 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,037 |
| Countries that Start with U | 0 | - | 4.97 | 902,975 |
| Countries that Start with V | 0 | - | 4.98 | 608,080 |
| Countries that Start with F | 0 | - | 4.83 | 615,877 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,917 |
| The Only African Country ... | 0 | - | 4.99 | 128,879 |
| The Only American Country ... | 0 | - | 4.92 | 121,359 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,036 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,596 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,632 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,188 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,725 |
| European Countries with One Border | 0 | - | 4.97 | 182,437 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,252 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,949 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,970 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,885 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,289,453 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,355 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,036 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,903 |
| Biggest City by Region | 0 | - | 4.50 | 36,108 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,041 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,766 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,366 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,726 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,420 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,140 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,314 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,145 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,809 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,348 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,031 |
| Landlocked Countries | 0 | - | 4.99 | 418,253 |
| UK Immigration by Country | 0 | - | 4.94 | 140,596 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,733 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,742 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,164 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,243 |
