| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,891 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,978 |
| Countries with Megacities | 0 | - | 4.99 | 266,767 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,667 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,017 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,981 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,136 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,167 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,244 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,274 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,908 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,591 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,855 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,151 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,547 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,892 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,735 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,317 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,922 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,878 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,261 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,592 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,699 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,834 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,167 |
| Largest City by Island | 0 | - | 4.87 | 72,396 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,718 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,832 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,482 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,144 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,485 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,838 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,711 |
| African Island Countries | 0 | - | 4.96 | 102,373 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,576 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,839 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,268 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,910 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,594 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,797 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,967 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,804 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,931 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,460 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,770 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,195 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,393 |
| Biggest Cities in the World | 0 | - | 4.91 | 804,915 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,761 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,734 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,084 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,390 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,870 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,847 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,200 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,363 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,684 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,703 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,192 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,895 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,569 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,646 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,157 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,328 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,179 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,594 |
| Olympic Host Countries | 0 | - | 4.98 | 201,835 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,763 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,972 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,399 |
| The Only European Country ... | 0 | - | 4.91 | 218,743 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,758 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,387 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,885 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 145,012 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,360 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,132 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,847 |
| Countries of Africa | 0 | - | 5.00 | 2,556,909 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,003 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,374 |
| Asian Island Nations | 0 | - | 4.63 | 94,440 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,501 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,566 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,386 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,626 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,088 |
| Megacities on a World Map | 0 | - | 4.98 | 256,678 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,580 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,730 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,594 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,103 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,581 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,935 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,549 |
| Countries of the Middle East | 0 | - | 4.96 | 202,473 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,091 |
| Slavic Countries | 0 | - | 4.96 | 112,299 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,143 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,251 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 52,935 |
| Islands by Country #1 | 0 | - | 4.90 | 176,247 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,398 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,729 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,246 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,497 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,087 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,239 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,414 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,459 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,924 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,732 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,965 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,407 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,194 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,831 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,084 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,058 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,284 |
| Boundary Waters | 0 | - | 4.92 | 88,738 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,389 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,626 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,251 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,907 |
| Most Populous Islands | 0 | - | 4.80 | 123,274 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,376 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,636 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,934 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,511 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,925 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,046 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,393 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,387 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,121 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,471 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,628 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,802 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,419 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,030 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,601 |
| Richest Island Countries | 0 | - | 4.85 | 101,159 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,451 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,999 |
| Monarchies of Europe | 0 | - | 4.90 | 98,783 |
| Monarchies of Asia | 0 | - | 4.97 | 71,463 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,141 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,679 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,245 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,320 |
| Countries that Start with A | 0 | - | 4.98 | 2,174,203 |
| Countries that Start with B | 0 | - | 4.95 | 2,305,118 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,395 |
| Countries that Start with D | 0 | - | 4.96 | 715,683 |
| Countries that Start with E | 0 | - | 4.95 | 1,384,190 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,599 |
| Countries that Start with H | 0 | - | 4.96 | 609,037 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,881 |
| Countries that Start with J | 0 | - | 4.98 | 606,435 |
| Countries that Start with K | 0 | - | 4.97 | 820,226 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,113 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,177 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,384 |
| Countries that Start with S | 0 | - | 4.98 | 1,762,206 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,386 |
| Countries that Start with U | 0 | - | 4.97 | 908,092 |
| Countries that Start with V | 0 | - | 4.98 | 611,704 |
| Countries that Start with F | 0 | - | 4.83 | 620,894 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,501 |
| The Only African Country ... | 0 | - | 4.99 | 129,608 |
| The Only American Country ... | 0 | - | 4.92 | 122,156 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,363 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,245 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,425 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,394 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,751 |
| European Countries with One Border | 0 | - | 4.97 | 183,681 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,434 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,750 |
| Name a Valid Island Country | 0 | - | 4.97 | 129,513 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,829,229 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,053 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,638 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,138 |
| Biggest City by Region | 0 | - | 4.50 | 36,378 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,319 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,629 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,286 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,951 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,604 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,625 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,300 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,433 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,526 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,346 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,557 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,232 |
| Landlocked Countries | 0 | - | 4.99 | 425,032 |
| UK Immigration by Country | 0 | - | 4.94 | 141,612 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,035 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,317 |