| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,292 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,453 |
| Countries with Megacities | 0 | - | 4.99 | 265,894 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,249 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,756 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,504 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,854 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,329 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,743 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,123 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,618 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,441 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,735 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,986 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,406 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,716 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,734 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,300 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,131 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,817 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,037 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,425 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,550 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,689 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,089 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,544 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,709 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,398 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,075 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,424 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,737 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,588 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,430 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,656 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,932 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,405 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,680 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,940 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,693 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,329 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,659 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,729 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,792 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,081 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,099 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,471 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,674 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,003 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,700 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,270 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,677 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,576 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,737 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,174 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,932 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,526 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,059 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,706 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,447 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,520 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,041 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,168 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,803 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,212 |
| Olympic Host Countries | 0 | - | 4.98 | 201,559 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,589 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,667 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,327 |
| The Only European Country ... | 0 | - | 4.91 | 218,260 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,368 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,102 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,821 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,965 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,347 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,757 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,319 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,454 |
| Countries of Africa | 0 | - | 5.00 | 2,552,135 |
| Boundary Waters | 0 | - | 4.92 | 88,674 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,332 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,488 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,794 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,359 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,383 |
| Largest City by Island | 0 | - | 4.87 | 72,257 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,314 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,478 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,977 |
| Megacities on a World Map | 0 | - | 4.98 | 256,156 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,649 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,454 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,731 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,394 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,150 |
| Countries of the Middle East | 0 | - | 4.96 | 202,211 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,908 |
| Slavic Countries | 0 | - | 4.96 | 112,155 |
| African Island Countries | 0 | - | 4.96 | 102,211 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,069 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,039 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,498 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,545 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,080 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,273 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,925 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,020 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,255 |
| 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 | 144,622 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,808 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,280 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,048 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,689 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,965 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,946 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,755 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,319 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,591 |
| Most Populous Islands | 0 | - | 4.80 | 123,184 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,351 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,607 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,226 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,517 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,525 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,370 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,812 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,860 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,327 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,776 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,997 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,380 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,281 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,736,677 |
| Landlocked Countries | 0 | - | 4.99 | 423,864 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,305 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,854 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,488 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,358 |
| Monarchies of Europe | 0 | - | 4.90 | 98,601 |
| Monarchies of Asia | 0 | - | 4.97 | 71,369 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,614 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,163 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,979 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,384 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,475 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,374 |
| Countries that Start with D | 0 | - | 4.96 | 714,200 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,459 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,763 |
| Countries that Start with H | 0 | - | 4.96 | 607,981 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,529 |
| Countries that Start with J | 0 | - | 4.98 | 605,469 |
| Countries that Start with K | 0 | - | 4.97 | 819,141 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,780 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,829 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,116 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,453 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,358 |
| Countries that Start with U | 0 | - | 4.97 | 907,266 |
| Countries that Start with V | 0 | - | 4.98 | 611,116 |
| Countries that Start with F | 0 | - | 4.83 | 620,079 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,125 |
| The Only African Country ... | 0 | - | 4.99 | 129,486 |
| The Only American Country ... | 0 | - | 4.92 | 122,036 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,308 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,179 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,295 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,212 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,579 |
| European Countries with One Border | 0 | - | 4.97 | 183,469 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,217 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,612 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,822 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,224 |
| Population Trivia | 0 | - | 4.32 | 27,536 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,948 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,609 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,100 |
| Biggest City by Region | 0 | - | 4.50 | 36,334 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,256 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,228 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,886 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,291 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,432 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,273 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,414 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,467 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,111 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,518 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,195 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,137 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,369 |
| Himalayan Countries | 0 | - | 4.94 | 139,546 |
| Andean Countries | 0 | - | 4.94 | 85,070 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,252 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,468 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,813 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,125 |
| Danube Countries | 0 | - | 4.97 | 72,215 |