| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,667 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,226 |
| Countries with Megacities | 0 | - | 4.99 | 248,842 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,077 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,519 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,443 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,471 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,648 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,771 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,260 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,861 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,301 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,066 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,072 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,618 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,260 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,514 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,198 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,764 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,323 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,826 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,334 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,704 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,886 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,945 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,649 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,518 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,875 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,753 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,008 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,519 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,480 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,555 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,694 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,003 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,143 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,692 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,578 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,428 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,332 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,014 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,776 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,889 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,135 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,807 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,309 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,223 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,157 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,409 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,129 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,363 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,231 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,423 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,656 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,991 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,919 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,079 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,408 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,491 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,020 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,063 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,237 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,871 |
| Olympic Host Countries | 0 | - | 4.98 | 199,453 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,236 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,263 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,799 |
| The Only European Country ... | 0 | - | 4.91 | 215,044 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,028 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,268 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,455 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,727 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,161 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,296 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,645 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,790 |
| Countries of Africa | 0 | - | 5.00 | 2,520,563 |
| Boundary Waters | 0 | - | 4.92 | 88,217 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,955 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,632 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,449 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,347 |
| Largest City by Island | 0 | - | 4.87 | 71,378 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,586 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,940 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,942 |
| Megacities on a World Map | 0 | - | 4.98 | 252,264 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,018 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,346 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,542 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,709 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,347 |
| Countries of the Middle East | 0 | - | 4.96 | 199,812 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,712 |
| Slavic Countries | 0 | - | 4.96 | 111,220 |
| African Island Countries | 0 | - | 4.96 | 101,127 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,671 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,262 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,613 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,277 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,952 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,719 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,175 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,180 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,117 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,210 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,391 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,501 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,678 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,866 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,655 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,711 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,566 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,818 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,355 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,257 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,943 |
| Most Populous Islands | 0 | - | 4.79 | 122,189 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,235 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,448 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,838 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,431 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,399 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,109 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,718 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,490 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,282 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,555 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,762 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,149,074 |
| Landlocked Countries | 0 | - | 4.99 | 416,486 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,517 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,751 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,716 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,727 |
| Monarchies of Europe | 0 | - | 4.90 | 97,680 |
| Monarchies of Asia | 0 | - | 4.97 | 70,819 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,949 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,612 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,593 |
| Countries that Start with A | 0 | - | 4.98 | 2,153,481 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,774 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,046 |
| Countries that Start with D | 0 | - | 4.96 | 704,795 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,408 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,934 |
| Countries that Start with H | 0 | - | 4.96 | 600,664 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,448 |
| Countries that Start with J | 0 | - | 4.98 | 598,687 |
| Countries that Start with K | 0 | - | 4.97 | 811,857 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,943 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,901 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,758 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,686 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,511 |
| Countries that Start with U | 0 | - | 4.97 | 901,793 |
| Countries that Start with V | 0 | - | 4.98 | 607,017 |
| Countries that Start with F | 0 | - | 4.83 | 614,423 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,730 |
| The Only African Country ... | 0 | - | 4.99 | 128,687 |
| The Only American Country ... | 0 | - | 4.92 | 121,154 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,916 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,445 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,330 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,889 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,471 |
| European Countries with One Border | 0 | - | 4.97 | 182,084 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,952 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,701 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,355 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,323 |
| Population Trivia | 0 | - | 4.32 | 27,452 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,194 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,985 |
| 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 | 56,991 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,682 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,272 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,189 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,102 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,100 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,282 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,068 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,363 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,320 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,908 |
| World Capitals Quiz | 0 | - | 5.00 | 5,049,302 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,848 |
| Himalayan Countries | 0 | - | 4.95 | 136,429 |
| Andean Countries | 0 | - | 4.95 | 83,446 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,714 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,944 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,393 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,993 |
| Danube Countries | 0 | - | 4.97 | 71,379 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,189 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,838 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,120 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,077 |
