| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,917 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,712 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,122 |
| Largest City by Island | 0 | - | 4.87 | 71,417 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,020 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 170,333 |
| Islands by Country #1 | 0 | - | 4.87 | 174,831 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,301 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,552 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,284 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,944 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,704 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,287 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,057 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,083 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,881 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,316 |
| Countries with Megacities | 0 | - | 4.99 | 249,022 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,160 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,564 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,509 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,533 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,153 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,604,680 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,430 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,284 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,923 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,338 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,096 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,101 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,640 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,174 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,430 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,340 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,474 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,802 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,045 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,960 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,423 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,132 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,442 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,514 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,048 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,094 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,306 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,066 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,864 |
| Name a Valid World City | 0 | - | 4.83 | 70,625 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,413 |
| Random Country to Capital | 0 | - | 4.98 | 915,131 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,471 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,404 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,184 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,835 |
| Countries with Four Letters | 0 | - | 4.99 | 420,376 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,679 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,862 |
| Islands by Country #2 | 0 | - | 4.80 | 77,197 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,328 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,843 |
| 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 | 95,342 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,875 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,384 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,738 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,916 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,619 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,526 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,466 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,600 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,975 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,975 |
| Megacities on a World Map | 0 | - | 4.98 | 252,376 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,540 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,038 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,386 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,660 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,758 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,001 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,722 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,605 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 85,827 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,815 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,072 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,608 |
| Capital Cities Chain | 0 | - | 4.84 | 82,264 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,395 |
| Country Chain | 0 | - | 4.96 | 216,434 |
| Countries by Emojis | 0 | - | 4.99 | 237,828 |
| African Island Countries | 0 | - | 4.96 | 101,176 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,455 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,710 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,524 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,599 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,186 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,540 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,508 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,054 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,729 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,084 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,090 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,068 |
| Name a Valid Country #5 | 0 | - | 4.99 | 204,867 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,317 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,264 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,628 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 716,221 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,781 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,639 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,491 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,369 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,027 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,809 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,457 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,426 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,167 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,741 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,642 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,437 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,582 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,019 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,354 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,681 |
| The Only Country ... | 0 | - | 4.91 | 80,459 |
| 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 | 89,125 |
| Richest Island Countries | 0 | - | 4.84 | 99,987 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,212 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,914 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,727 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,837 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,223 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,100 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,276 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,839 |
| Random Countries by Borders | 0 | - | 4.99 | 81,971 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,136 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,494 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,208 |
| Most Populous Islands | 0 | - | 4.80 | 122,306 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,242 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,458 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,703 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,777 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,018 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,174 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,064 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 380,635 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,823 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,112 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,336 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,790 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,063 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,176 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,264 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,152 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,415 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,140 |
| 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 | 88,957 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 136,414 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,750 |
| 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 | 95,660 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,820 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,132 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,046 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,273 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,221 |
| 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 | 46,810 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,800 |
| 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 | 83,080 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,030 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,282 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,094 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,846 |
| 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 | 66,668 |
| Cities Chain #2 | 0 | - | 4.42 | 56,247 |
| Cities Chain #1 | 0 | - | 4.61 | 66,477 |
| 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 | 175,498 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,171,104 |
| Landlocked Countries | 0 | - | 4.99 | 416,756 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 971,115 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 94,184 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,318 |
