| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,988 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,528 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,887 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,382 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,968 |
| Countries with Megacities | 0 | - | 4.99 | 246,456 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,884 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,780 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,347 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,738 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,975 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,599 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,926 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,963 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,313 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,312 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,143 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,794 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,214 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,415 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,801 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,585,622 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,062 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,769 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,797 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,804 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,435 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,532 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,196 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,575 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,561 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,724 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,774 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,846 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,419 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,466 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,421 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,501 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,001 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,114 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,693 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,621 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,456 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,896 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,620 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,133 |
| Random Country to Capital | 0 | - | 4.98 | 911,076 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,138 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,604 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,016 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 115,979 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,161 |
| Countries with Four Letters | 0 | - | 4.99 | 418,296 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,384 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,972 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,183 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,461 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,730 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,109 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,878 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,126 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,643 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,077 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,107 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,237 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,834 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,346 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,519 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,246 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,326 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,772 |
| Largest City by Island | 0 | - | 4.87 | 70,987 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,340 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,464 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,527 |
| Megacities on a World Map | 0 | - | 4.98 | 250,749 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,919 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,749 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,803 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,585 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,084 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,381 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,223 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,207 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,555 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,522 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,754 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,150 |
| Capital Cities Chain | 0 | - | 4.84 | 81,866 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,941 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,227 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,355 |
| Country Chain | 0 | - | 4.96 | 215,632 |
| Countries by Emojis | 0 | - | 4.99 | 235,992 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,066 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,860 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,787 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,056 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,024 |
| Islands by Country #1 | 0 | - | 4.87 | 174,436 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,873 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,242 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,311 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,643 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,680 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,168 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,242 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,398 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,674 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,294 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,368 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,907 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,001 |
| Most Populous Islands | 0 | - | 4.78 | 121,939 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,194 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,818 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,895 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,756 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,941 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,597 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,791 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,324 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,829 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,107 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,897 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,915 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,205 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,533 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,815 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,432 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,259 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,538 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,073 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,453 |
| The Only Country ... | 0 | - | 4.91 | 79,796 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,367 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,409 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,297 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,308 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,796 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,306 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,598 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,599 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,403 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,669 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,197 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,351 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,398 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,082 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,568 |
| Random Countries by Borders | 0 | - | 4.99 | 81,622 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,116 |
| Name a Valid Island Country | 0 | - | 4.96 | 113,991 |
| Boundary Waters | 0 | - | 4.92 | 88,023 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,794 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,366 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,223 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,038 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,639 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,033 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,210 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,500 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,802 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,692 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,914 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,510 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,077 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,371 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,514 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,726 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,439 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,102 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,473 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,609 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,629 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,233 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,065 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,406 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,863 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,889 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,672 |
| Biggest City by Region | 0 | - | 4.50 | 35,983 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,882 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,004 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,215 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,899 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,245 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,951 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,397 |
| Cities Chain #2 | 0 | - | 4.42 | 56,156 |
| Cities Chain #1 | 0 | - | 4.61 | 66,331 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,099 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,882,841 |
| Landlocked Countries | 0 | - | 4.99 | 413,195 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 955,880 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,295 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,681 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,500 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,827 |
