| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,511 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,778 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,808 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,807 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,722 |
| Countries with Megacities | 0 | - | 4.99 | 266,240 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,443 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,859 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,739 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,974 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,459 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,111 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,409 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,371 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,624 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,692 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,337 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,066 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,914 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,929 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,986 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,645,714 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,311 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,175 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,714 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,497 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,783 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,056 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,459 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,754 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,696 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,924 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,251 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,213 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,590 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,111 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,946 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,765 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,498 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,565 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,090 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,228 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,939 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,878 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,573 |
| Name a Valid World City | 0 | - | 4.84 | 71,789 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,856 |
| Random Country to Capital | 0 | - | 4.98 | 925,885 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,110,256 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,682 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,451 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,823 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,298 |
| Countries with Four Letters | 0 | - | 4.99 | 425,038 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,833 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,120 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,501 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,830 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,629 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,481 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,446 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,196 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,978 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,353 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,840 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,121 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,486 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,608 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,743 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,116 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,403 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,449 |
| Largest City by Island | 0 | - | 4.87 | 72,309 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,335 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,530 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,018 |
| Megacities on a World Map | 0 | - | 4.98 | 256,361 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,103 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,676 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,497 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,864 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,465 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,603 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,749 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,430 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,105 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,443 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,776 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,634 |
| Capital Cities Chain | 0 | - | 4.84 | 83,219 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,410 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,686 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,093 |
| Country Chain | 0 | - | 4.96 | 218,145 |
| Countries by Emojis | 0 | - | 4.99 | 241,366 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,410 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 31,032 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,061 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,481 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,731 |
| Islands by Country #1 | 0 | - | 4.90 | 176,100 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,088 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,408 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,279 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,325 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,420 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,201 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,487 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,536 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,435 |
| Name a Valid Country #6 | 0 | - | 4.95 | 143,241 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,327 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,497 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 738,490 |
| Most Populous Islands | 0 | - | 4.80 | 123,217 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,359 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,610 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,053 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,778 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,435 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,714 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,943 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,752 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,852 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,419 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,435 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,714 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,846 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,938 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,349 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,975 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,033 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,410 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,119 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,169 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,345 |
| The Only Country ... | 0 | - | 4.91 | 81,697 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,545 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,581 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,522 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,995 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,779 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,048 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,226 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,512 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,654 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,611 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,331 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,723 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,913 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,903 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,441 |
| Random Countries by Borders | 0 | - | 4.99 | 82,894 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,229 |
| Name a Valid Island Country | 0 | - | 4.97 | 126,607 |
| Boundary Waters | 0 | - | 4.92 | 88,702 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,354 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,201 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,528 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,484 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,819 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,969 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,130 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,479 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,830 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,828 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,725 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,249 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,912 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,391 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,498 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,203 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,917 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,452 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,153 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,739 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,501 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,543 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,503 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,024 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,977 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,618 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,113 |
| Biggest City by Region | 0 | - | 4.50 | 36,351 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,283 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,229 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,281 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,419 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,490 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,529 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,404 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,308 |
| Cities Chain #2 | 0 | - | 4.42 | 56,486 |
| Cities Chain #1 | 0 | - | 4.61 | 66,771 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,066 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,765,623 |
| Landlocked Countries | 0 | - | 4.99 | 424,254 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 981,360 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,944 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 584,618 |
