| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,912 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,709 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,111 |
| Largest City by Island | 0 | - | 4.87 | 71,413 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,017 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 170,328 |
| Islands by Country #1 | 0 | - | 4.87 | 174,830 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,297 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,548 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,273 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,926 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,704 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,286 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,055 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,057 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,873 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,305 |
| Countries with Megacities | 0 | - | 4.99 | 249,005 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,155 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,561 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,505 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,527 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,132 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,604,604 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,428 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,281 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,920 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,336 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,093 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,098 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,639 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,171 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,427 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,333 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,472 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,794 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,043 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,954 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,410 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,129 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,438 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,514 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,047 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,093 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,299 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,030 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,860 |
| Name a Valid World City | 0 | - | 4.83 | 70,620 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,374 |
| Random Country to Capital | 0 | - | 4.98 | 915,092 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,435 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,402 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,181 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,831 |
| Countries with Four Letters | 0 | - | 4.99 | 420,368 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,674 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,860 |
| Islands by Country #2 | 0 | - | 4.80 | 77,196 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,319 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,833 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,733 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,167 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,341 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,870 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,380 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,734 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,913 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,616 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,524 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,454 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,600 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,973 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,971 |
| Megacities on a World Map | 0 | - | 4.98 | 252,367 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,527 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,037 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,381 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,651 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,757 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,995 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,708 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,589 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 85,464 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,806 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,061 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,591 |
| Capital Cities Chain | 0 | - | 4.84 | 82,264 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,392 |
| Country Chain | 0 | - | 4.96 | 216,427 |
| Countries by Emojis | 0 | - | 4.99 | 237,822 |
| African Island Countries | 0 | - | 4.96 | 101,175 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,453 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,701 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,520 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,594 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,185 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,538 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,506 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,045 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,721 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,062 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,076 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,061 |
| Name a Valid Country #5 | 0 | - | 4.99 | 204,842 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,310 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,259 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,620 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 716,201 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,775 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,634 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,484 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,366 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,026 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,806 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,456 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,424 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,162 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,738 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,639 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,423 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,579 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,996 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,353 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,681 |
| The Only Country ... | 0 | - | 4.91 | 80,456 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,732 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,521 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,124 |
| Richest Island Countries | 0 | - | 4.84 | 99,983 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,206 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,914 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,722 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,834 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,222 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,095 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,265 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,835 |
| Random Countries by Borders | 0 | - | 4.99 | 81,966 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,129 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,492 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,206 |
| Most Populous Islands | 0 | - | 4.80 | 122,286 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,241 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,458 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,702 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,776 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,016 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,171 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,064 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 380,621 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,814 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,099 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,333 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,788 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,058 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,173 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,253 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,149 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,410 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,138 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,816 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,948 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,954 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 136,413 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,744 |
| Boundary Waters | 0 | - | 4.92 | 88,235 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,970 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,658 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,814 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,131 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,043 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,266 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,218 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,993 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,846 |
| Biggest City by Region | 0 | - | 4.50 | 36,072 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,006 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,735 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,808 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,797 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,108 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,287 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,078 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,028 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,279 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,093 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,844 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,322 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,096 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,667 |
| Cities Chain #2 | 0 | - | 4.42 | 56,247 |
| Cities Chain #1 | 0 | - | 4.61 | 66,475 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,394 |
| Capitals in Random Squares of the World Map | 0 | - | 4.91 | 75,139 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,493 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,169,705 |
| Landlocked Countries | 0 | - | 4.99 | 416,732 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 971,053 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 94,167 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,314 |
