| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,262 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,448 |
| Countries with Megacities | 0 | - | 4.99 | 265,885 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,240 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,754 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,852 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,271 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,718 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,122 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,613 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,437 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,734 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,981 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,405 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,710 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,733 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,284 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,126 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,814 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,029 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,416 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,547 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,687 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,087 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,537 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,708 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,397 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,073 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,421 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,735 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,588 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,424 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,651 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,931 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,405 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,676 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,931 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,689 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,321 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,656 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,727 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,790 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,078 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,095 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,429 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,672 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,997 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,698 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,267 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,670 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,571 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,727 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,168 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,888 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,521 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,054 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,703 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,437 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,515 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,039 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,164 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,799 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,202 |
| Olympic Host Countries | 0 | - | 4.98 | 201,549 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,583 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,660 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,303 |
| The Only European Country ... | 0 | - | 4.91 | 218,251 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,359 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,096 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,820 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,963 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,347 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,732 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,246 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,442 |
| Countries of Africa | 0 | - | 5.00 | 2,552,013 |
| Boundary Waters | 0 | - | 4.92 | 88,669 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,332 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,485 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,057 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,791 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,353 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,378 |
| Largest City by Island | 0 | - | 4.87 | 72,254 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,313 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,473 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,975 |
| Megacities on a World Map | 0 | - | 4.98 | 256,144 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,648 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,448 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,718 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,384 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,141 |
| Countries of the Middle East | 0 | - | 4.96 | 202,204 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,904 |
| Slavic Countries | 0 | - | 4.96 | 112,153 |
| African Island Countries | 0 | - | 4.96 | 102,207 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,067 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,030 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,480 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,535 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,074 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,267 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,918 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,015 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,250 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,321 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,852 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,617 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,805 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,277 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,043 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,688 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,960 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,944 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,720 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,286 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,552 |
| Most Populous Islands | 0 | - | 4.80 | 123,183 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,349 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,606 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,225 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,514 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,493 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,361 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,807 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,843 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,327 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,760 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,991 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,373 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,275 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,733,742 |
| Landlocked Countries | 0 | - | 4.99 | 423,834 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,304 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,849 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,485 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,354 |
| Monarchies of Europe | 0 | - | 4.90 | 98,598 |
| Monarchies of Asia | 0 | - | 4.97 | 71,369 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,613 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,157 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,972 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,274 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,378 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,285 |
| Countries that Start with D | 0 | - | 4.96 | 714,142 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,399 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,693 |
| Countries that Start with H | 0 | - | 4.96 | 607,943 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,473 |
| Countries that Start with J | 0 | - | 4.98 | 605,423 |
| Countries that Start with K | 0 | - | 4.97 | 819,105 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,730 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,779 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,067 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,371 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,311 |
| Countries that Start with U | 0 | - | 4.97 | 907,212 |
| Countries that Start with V | 0 | - | 4.98 | 611,080 |
| Countries that Start with F | 0 | - | 4.83 | 620,044 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,072 |
| The Only African Country ... | 0 | - | 4.99 | 129,483 |
| The Only American Country ... | 0 | - | 4.92 | 122,029 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,306 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,179 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,290 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,206 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,575 |
| European Countries with One Border | 0 | - | 4.97 | 183,461 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,213 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,604 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,820 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,218 |
| Population Trivia | 0 | - | 4.32 | 27,536 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,944 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,609 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,099 |
| Biggest City by Region | 0 | - | 4.50 | 36,334 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,254 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,224 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,884 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,282 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,426 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,273 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,413 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,464 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,099 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,517 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,195 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,881 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,354 |
| Himalayan Countries | 0 | - | 4.94 | 139,531 |
| Andean Countries | 0 | - | 4.94 | 85,064 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,247 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,457 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,806 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,118 |
| Danube Countries | 0 | - | 4.97 | 72,209 |
