| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,951 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,362 |
| Countries with Megacities | 0 | - | 4.99 | 262,947 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,196 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,176 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,500 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,216 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,089 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,184 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,676 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,692 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,843 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,365 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,501 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,049 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,892 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,098 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,653 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,565 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,586 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,395 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,850 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,107 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,282 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,878 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,926 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,228 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,174 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,713 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,235 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,523 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,203 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,911 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,070 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,804 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,205 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,393 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,793 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,771 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,259 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,786 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,412 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,218 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,707 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,272 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,270 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,489 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,644 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,403 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,868 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,864 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,422 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,876 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,262 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,653 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,753 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,455 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,802 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,125 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,991 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,342 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,581 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,219 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,933 |
| Olympic Host Countries | 0 | - | 4.98 | 200,663 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,788 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,163 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,192 |
| The Only European Country ... | 0 | - | 4.91 | 216,500 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,158 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,052 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,638 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,841 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,246 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,449 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,852 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,034 |
| Countries of Africa | 0 | - | 5.00 | 2,535,504 |
| Boundary Waters | 0 | - | 4.92 | 88,452 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,138 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,042 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,444 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,471 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,319 |
| Largest City by Island | 0 | - | 4.87 | 71,824 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,911 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,891 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,419 |
| Megacities on a World Map | 0 | - | 4.98 | 254,369 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,316 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,877 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,554 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,292 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,600 |
| Countries of the Middle East | 0 | - | 4.96 | 201,077 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,225 |
| Slavic Countries | 0 | - | 4.96 | 111,616 |
| African Island Countries | 0 | - | 4.96 | 101,590 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,866 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,104 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 46,942 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,841 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,470 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,444 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,080 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,913 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,622 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,696 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,590 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,197 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,164 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,549 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,188 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,121 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,958 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,232 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,875 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,271 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,653 |
| Most Populous Islands | 0 | - | 4.80 | 122,897 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,296 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,528 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,049 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,061 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,891 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,119 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,890 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,019 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,362 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,350 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,929 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,521 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,426,580 |
| Landlocked Countries | 0 | - | 4.99 | 420,036 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,864 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,243 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,078 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,052 |
| Monarchies of Europe | 0 | - | 4.90 | 98,102 |
| Monarchies of Asia | 0 | - | 4.97 | 71,072 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,357 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,868 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,753 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,743 |
| Countries that Start with B | 0 | - | 4.95 | 2,293,460 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,308 |
| Countries that Start with D | 0 | - | 4.96 | 709,104 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,593 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,661 |
| Countries that Start with H | 0 | - | 4.96 | 604,372 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,592 |
| Countries that Start with J | 0 | - | 4.98 | 602,084 |
| Countries that Start with K | 0 | - | 4.97 | 815,399 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,257 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,247 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,695 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,204 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,493 |
| Countries that Start with U | 0 | - | 4.97 | 904,222 |
| Countries that Start with V | 0 | - | 4.98 | 609,159 |
| Countries that Start with F | 0 | - | 4.83 | 617,303 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,145 |
| The Only African Country ... | 0 | - | 4.99 | 129,074 |
| The Only American Country ... | 0 | - | 4.92 | 121,565 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,113 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,764 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,811 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,470 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,954 |
| European Countries with One Border | 0 | - | 4.97 | 182,724 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,522 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,166 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,573 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,780 |
| Population Trivia | 0 | - | 4.32 | 27,488 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,534 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,076 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,965 |
| Biggest City by Region | 0 | - | 4.50 | 36,205 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,127 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,889 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,505 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,234 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,708 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,176 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,345 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,233 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,244 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,403 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,088 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,130 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,490 |
| Himalayan Countries | 0 | - | 4.95 | 137,909 |
| Andean Countries | 0 | - | 4.95 | 84,172 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,380 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,966 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,037 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,486 |
| Danube Countries | 0 | - | 4.97 | 71,775 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,717 |