| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,001 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,619 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,985 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,925 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,201 |
| Countries with Megacities | 0 | - | 4.99 | 246,891 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,111 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,962 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,520 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,851 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,991 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,618 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,944 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,982 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,329 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,324 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,152 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,806 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,049 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,631 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,380 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,004 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,116 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,841 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,934 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,885 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,485 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,606 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,267 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,650 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,681 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,930 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,859 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,040 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,489 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,522 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,621 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,582 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,055 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,163 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,748 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,685 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,530 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,653 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,790 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,968 |
| Random Country to Capital | 0 | - | 4.98 | 911,616 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,997 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,770 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,169 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,119 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,234 |
| Countries with Four Letters | 0 | - | 4.99 | 418,530 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,393 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,978 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,196 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,470 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,840 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,195 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,084 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,231 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,653 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,087 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,144 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,336 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,933 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,402 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,592 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,300 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,469 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,855 |
| Largest City by Island | 0 | - | 4.87 | 71,046 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,393 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,552 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,518 |
| Megacities on a World Map | 0 | - | 4.98 | 250,967 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,264 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,798 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,867 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,763 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,150 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,474 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,295 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,272 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,608 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,811 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,217 |
| Capital Cities Chain | 0 | - | 4.84 | 81,919 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,998 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,321 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,434 |
| Country Chain | 0 | - | 4.96 | 215,728 |
| Countries by Emojis | 0 | - | 4.99 | 236,175 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,106 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,870 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,017 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,117 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,098 |
| Islands by Country #1 | 0 | - | 4.87 | 174,485 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,923 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,286 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,332 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,808 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,814 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,510 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,403 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,575 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,801 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,402 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,489 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,025 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,500 |
| Most Populous Islands | 0 | - | 4.79 | 121,992 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,202 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,404 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,961 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,001 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,855 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,992 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,610 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,401 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,848 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,142 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,935 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,040 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,329 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,565 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,033 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,508 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,297 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,596 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,097 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,472 |
| The Only Country ... | 0 | - | 4.91 | 79,883 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,443 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,451 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,338 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,851 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,349 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,676 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,633 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,571 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,831 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,328 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,439 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,060 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,217 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,603 |
| Random Countries by Borders | 0 | - | 4.99 | 81,674 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,220 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,055 |
| Boundary Waters | 0 | - | 4.92 | 88,042 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,816 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,539 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,285 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,173 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,722 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,097 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,296 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,567 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,838 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,735 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,952 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,536 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,117 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,474 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,587 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,794 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,517 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,222 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,526 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,662 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,818 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,559 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,207 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,455 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,915 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,905 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,703 |
| Biggest City by Region | 0 | - | 4.50 | 35,994 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,901 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,018 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,222 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,921 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,257 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,975 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,428 |
| Cities Chain #2 | 0 | - | 4.42 | 56,169 |
| Cities Chain #1 | 0 | - | 4.61 | 66,347 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,122 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,918,716 |
| Landlocked Countries | 0 | - | 4.99 | 413,600 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 956,228 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,423 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,959 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,989 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,842 |
