| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,535 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,849 |
| Countries with Megacities | 0 | - | 4.99 | 254,692 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,710 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,894 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,004 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,883 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,600 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,554 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,490 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,301 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,622 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,236 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,309 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,870 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,593 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,824 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,984 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,320 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,478 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,151 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,642 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,931 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,115 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,687 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,054 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,038 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,299 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,131 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,411 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,038 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,732 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,849 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,752 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,106 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,282 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,336 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,432 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,956 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,580 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,242 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,997 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,551 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,848 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,206 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,397 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,467 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,298 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,662 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,405 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,804 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,967 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,812 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,610 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,301 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,146 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,376 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,618 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,721 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,175 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,313 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,735 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,445 |
| Olympic Host Countries | 0 | - | 4.98 | 200,249 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,553 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,754 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,718 |
| The Only European Country ... | 0 | - | 4.91 | 215,881 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,649 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,697 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,559 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,786 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,202 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,258 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,983 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,392 |
| Countries of Africa | 0 | - | 5.00 | 2,528,881 |
| Boundary Waters | 0 | - | 4.92 | 88,357 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,058 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,873 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,302 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,971 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,904 |
| Largest City by Island | 0 | - | 4.87 | 71,620 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,743 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,603 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,186 |
| Megacities on a World Map | 0 | - | 4.98 | 253,117 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,170 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,630 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,093 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,013 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,062 |
| Countries of the Middle East | 0 | - | 4.96 | 200,665 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,951 |
| Slavic Countries | 0 | - | 4.96 | 111,450 |
| African Island Countries | 0 | - | 4.96 | 101,381 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,775 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,730 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,309 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,611 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,230 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,103 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,777 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,596 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,385 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,487 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,500 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,058 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,931 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,352 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,957 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,940 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,781 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,033 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,720 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,824 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,095 |
| Most Populous Islands | 0 | - | 4.80 | 122,752 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,269 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,491 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,942 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,632 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,642 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,564 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,858 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,544 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,025 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,759 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,233 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,300,281 |
| Landlocked Countries | 0 | - | 4.99 | 418,375 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,694 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,004 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,898 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,910 |
| Monarchies of Europe | 0 | - | 4.90 | 97,915 |
| Monarchies of Asia | 0 | - | 4.97 | 70,951 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,224 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,757 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,220 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,012 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,039 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,496 |
| Countries that Start with D | 0 | - | 4.96 | 707,140 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,289 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,937 |
| Countries that Start with H | 0 | - | 4.96 | 602,679 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,699 |
| Countries that Start with J | 0 | - | 4.98 | 600,536 |
| Countries that Start with K | 0 | - | 4.97 | 813,656 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,469 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,399 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,906 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,794 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,166 |
| Countries that Start with U | 0 | - | 4.97 | 903,100 |
| Countries that Start with V | 0 | - | 4.98 | 608,169 |
| Countries that Start with F | 0 | - | 4.83 | 615,991 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,136 |
| The Only African Country ... | 0 | - | 4.98 | 128,893 |
| The Only American Country ... | 0 | - | 4.92 | 121,371 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,042 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,612 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,641 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,203 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,740 |
| European Countries with One Border | 0 | - | 4.97 | 182,462 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,270 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,957 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,478 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,581 |
| Population Trivia | 0 | - | 4.32 | 27,470 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,367 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,039 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,906 |
| Biggest City by Region | 0 | - | 4.50 | 36,111 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,044 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,773 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,372 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,784 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,450 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,142 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,316 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,148 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,855 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,354 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,033 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,969 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,697 |
| Himalayan Countries | 0 | - | 4.94 | 137,170 |
| Andean Countries | 0 | - | 4.95 | 83,794 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,041 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,441 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,728 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,267 |
| Danube Countries | 0 | - | 4.97 | 71,597 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,464 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,998 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,543 |