| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,248 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,401 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,789 |
| Largest City by Island | 0 | - | 4.87 | 72,130 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,226 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,539 |
| Islands by Country #1 | 0 | - | 4.90 | 175,615 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,504 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,516 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,317 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,218 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,091 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,733 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,461 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,280 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,244 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,100 |
| Countries with Megacities | 0 | - | 4.99 | 265,032 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,911 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,588 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,176 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,660 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,870 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,636,379 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,121 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,007 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,351 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,251 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,623 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,812 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,279 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,433 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,259 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,202 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,890 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 145,672 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,290 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,884 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,094 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,467 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,257 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,370 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,899 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,002 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,387 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,929 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,970 |
| Name a Valid World City | 0 | - | 4.83 | 71,545 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,649 |
| Random Country to Capital | 0 | - | 4.98 | 923,598 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,106,695 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,643 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,150 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,927 |
| Countries with Four Letters | 0 | - | 4.99 | 423,673 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,129 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,051 |
| Islands by Country #2 | 0 | - | 4.80 | 77,597 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,725 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,937 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,922 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,315 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,730 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,814 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,227 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,390 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,544 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,017 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,159 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,112 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,221 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,299 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,843 |
| Megacities on a World Map | 0 | - | 4.98 | 255,593 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,844 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,555 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,269 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,390 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,029 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,807 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,341 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,567 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,332 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,964 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,364 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,669 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,461 |
| Capital Cities Chain | 0 | - | 4.84 | 83,023 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,173 |
| Country Chain | 0 | - | 4.96 | 217,749 |
| Countries by Emojis | 0 | - | 4.99 | 240,626 |
| African Island Countries | 0 | - | 4.96 | 101,941 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,178 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,010 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,270 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,442 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,770 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,148 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,906 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,610 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,846 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,685 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,707 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,860 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,854 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,101 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,840 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,211 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 728,425 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,483 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,340 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,787 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,427 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,617 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,587 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,207 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,633 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,481 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,252 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,081 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,819 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,244 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,958 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,014 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,215 |
| The Only Country ... | 0 | - | 4.91 | 81,483 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,334 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,897 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,643 |
| Richest Island Countries | 0 | - | 4.85 | 100,859 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,012 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,385 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,881 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,844 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,769 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,243 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,377 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,281 |
| Random Countries by Borders | 0 | - | 4.99 | 82,722 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,544 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,190 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,427 |
| Most Populous Islands | 0 | - | 4.80 | 123,092 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,332 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,584 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,892 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,886 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,337 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,563 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,915 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,257 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,297 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,888 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,446 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,690 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,186 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,629 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,967 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,184 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,833 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,958 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,530 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,987 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,856 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,562 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,824 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,221 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,626 |
| Boundary Waters | 0 | - | 4.92 | 88,612 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,280 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,349 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,831 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,678 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,637 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,892 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,800 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,581 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,063 |
| Biggest City by Region | 0 | - | 4.50 | 36,298 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,215 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,630 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,624 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,811 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,241 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,388 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,385 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,368 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,108 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,582 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,569 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,477 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,328 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,181 |
| Cities Chain #2 | 0 | - | 4.42 | 56,441 |
| Cities Chain #1 | 0 | - | 4.61 | 66,699 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,710 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,705 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,557 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,636,189 |
| Landlocked Countries | 0 | - | 4.99 | 422,657 |
