| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,904 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,358 |
| Countries with Megacities | 0 | - | 4.99 | 265,640 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,145 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,709 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,412 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,784 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,690 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,565 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,086 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,541 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,376 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,700 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,925 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,367 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,647 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,678 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,146 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,084 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,788 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,966 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,364 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,500 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,643 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,058 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,477 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,660 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,372 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,045 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,401 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,713 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,552 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,386 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,590 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,920 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,383 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,645 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,828 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,608 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,239 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,598 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,707 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,725 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,035 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,012 |
| Biggest Cities in the World | 0 | - | 4.92 | 802,903 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,966 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,681 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,229 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,572 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,478 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,552 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,081 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,402 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,450 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,995 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,630 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,390 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,469 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 64,990 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,116 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,612 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,101 |
| Olympic Host Countries | 0 | - | 4.98 | 201,466 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,518 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,539 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,009 |
| The Only European Country ... | 0 | - | 4.91 | 218,065 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,246 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,022 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,806 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,951 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,334 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,553 |
| Biggest Cities in the United States | 0 | - | 4.94 | 983,476 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,274 |
| Countries of Africa | 0 | - | 5.00 | 2,550,639 |
| Boundary Waters | 0 | - | 4.92 | 88,653 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,324 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,451 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,995 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,763 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,299 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,299 |
| Largest City by Island | 0 | - | 4.87 | 72,210 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,281 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,413 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,935 |
| Megacities on a World Map | 0 | - | 4.98 | 255,965 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,620 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,389 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,611 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,121 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,004 |
| Countries of the Middle East | 0 | - | 4.96 | 202,107 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,834 |
| Slavic Countries | 0 | - | 4.96 | 112,098 |
| African Island Countries | 0 | - | 4.96 | 102,147 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,029 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,961 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,297 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,466 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,018 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,205 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,873 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,944 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,199 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,265 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,826 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,580 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,763 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,229 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,980 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,634 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,893 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,891 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,498 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,815 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,981 |
| Most Populous Islands | 0 | - | 4.80 | 123,152 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,346 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,599 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,203 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,483 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 23,908 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,298 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,737 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,633 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,299 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,556 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,921 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,328 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,221 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,703,630 |
| Landlocked Countries | 0 | - | 4.99 | 423,482 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,274 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,789 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,443 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,325 |
| Monarchies of Europe | 0 | - | 4.90 | 98,542 |
| Monarchies of Asia | 0 | - | 4.97 | 71,346 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,598 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,136 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,874 |
| Countries that Start with A | 0 | - | 4.98 | 2,170,262 |
| Countries that Start with B | 0 | - | 4.95 | 2,301,358 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,590 |
| Countries that Start with D | 0 | - | 4.96 | 713,648 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,803 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,090 |
| Countries that Start with H | 0 | - | 4.96 | 607,569 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,006 |
| Countries that Start with J | 0 | - | 4.98 | 605,067 |
| Countries that Start with K | 0 | - | 4.97 | 818,707 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,262 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,314 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,634 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,750 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,951 |
| Countries that Start with U | 0 | - | 4.97 | 906,641 |
| Countries that Start with V | 0 | - | 4.98 | 610,872 |
| Countries that Start with F | 0 | - | 4.83 | 619,754 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,591 |
| The Only African Country ... | 0 | - | 4.99 | 129,444 |
| The Only American Country ... | 0 | - | 4.92 | 121,974 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,291 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,147 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,245 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,127 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,510 |
| European Countries with One Border | 0 | - | 4.97 | 183,394 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,162 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,567 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,801 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,181 |
| Population Trivia | 0 | - | 4.32 | 27,533 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,900 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,597 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,088 |
| Biggest City by Region | 0 | - | 4.50 | 36,320 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,245 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,202 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,860 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,182 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,353 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,266 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,405 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,436 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,007 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,501 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,179 |
| World Capitals Quiz | 0 | - | 5.00 | 5,092,593 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,202 |
| Himalayan Countries | 0 | - | 4.94 | 139,394 |
| Andean Countries | 0 | - | 4.94 | 84,977 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,182 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,353 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,749 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,067 |
| Danube Countries | 0 | - | 4.97 | 72,177 |
