| Quiz | Points | Best | Rating | Takes |
|---|
| Top Five Countries By Category #1 | 0 | - | 4.99 | 378,933 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 135,038 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 107,778 |
| Top Five Countries By Category #2 | 0 | - | 4.91 | 154,423 |
| Top Five Countries By Category #3 | 0 | - | 4.87 | 139,930 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.96 | 139,554 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.88 | 62,719 |
| Top Five Countries By Fruit Production | 0 | - | 4.94 | 40,795 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,399 |
| Countries with Megacities | 0 | - | 4.99 | 192,012 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,915 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,723 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 92,055 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 61,634 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 242,205 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,291,688 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,492 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 656,259 |
| Capitals of the Most Populated Countries | 0 | - | 4.97 | 115,351 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,606 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,727 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,387 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,028 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 63,769 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 49,473 |
| Biggest City in Every Country | 0 | - | 4.98 | 75,554 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 164,121 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 89,471 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 92,244 |
| Biggest Cities with Exceptions | 0 | - | 4.85 | 51,986 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 57,262 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 62,763 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,351 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.89 | 58,154 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 53,508 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 103,547 |
| Solve the Secret Country #1 | 0 | - | 4.96 | 124,837 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 83,785 |
| Anagram Chain - Countries | 0 | - | 4.99 | 94,034 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 41,828 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 363,506 |
| Biggest Cities in the United States | 0 | - | 4.90 | 800,043 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 318,497 |
| Random Capital to Country | 0 | - | 4.99 | 2,321,381 |
| Random Country to Capital | 0 | - | 4.98 | 787,192 |
| Countries with Four Letters | 0 | - | 4.99 | 373,030 |
| Most Populous Country by First Two Letters | 0 | - | 4.68 | 65,962 |
| Demographics Multiple Choice | 0 | - | 4.70 | 39,338 |
| Countries but all Vowels are Changed to O | 0 | - | 4.82 | 31,582 |
| Countries of Europe by Population | 0 | - | 4.98 | 122,430 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 77,817 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 94,623 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 73,636 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 91,500 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 63,778 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.85 | 107,323 |
| Biggest Cities by Language | 0 | - | 4.95 | 211,181 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,144 |
| Most Populous World Capitals | 0 | - | 4.91 | 144,487 |
| Biggest European Cities by Century | 0 | - | 4.96 | 116,973 |
| Megacities on a World Map | 0 | - | 4.98 | 217,642 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 504,085 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 58,913 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 61,963 |
| Every 1,000,000+ City on a Map | 0 | - | 4.98 | 80,835 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 148,524 |
| Most Populous Countries in 2050 | 0 | - | 4.89 | 202,447 |
| First Countries to Reach 5 Million People | 0 | - | 4.87 | 108,064 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 75,140 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 52,996 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.91 | 66,147 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 85,637 |
| Capital Cities Chain | 0 | - | 4.87 | 70,141 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 77,074 |
| Country Chain | 0 | - | 4.91 | 174,664 |
| Countries by Emojis | 0 | - | 4.99 | 200,104 |
| Countries With One Word And Two O's | 0 | - | 4.90 | 32,471 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 141,979 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 138,212 |
| Islands by Country #1 | 0 | - | 4.85 | 161,898 |
| Regions of Countries #1 | 0 | - | 4.96 | 148,461 |
| Regions of Countries #2 | 0 | - | 4.94 | 113,188 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 175,175 |
| Name a Valid Country #3 | 0 | - | 4.98 | 203,394 |
| Name a Valid Country #1 | 0 | - | 4.99 | 219,733 |
| Name a Valid Country #2 | 0 | - | 4.97 | 187,218 |
| Name a Valid Country #4 | 0 | - | 4.94 | 174,314 |
| Name a Valid Country #5 | 0 | - | 4.98 | 141,005 |
| Name a Valid Country #6 | 0 | - | 4.92 | 83,231 |
| Name a Valid Country #7 | 0 | - | 4.88 | 82,469 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.82 | 42,626 |
| Boundary Waters | 0 | - | 4.92 | 80,051 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 72,912 |
| Most Populous Islands | 0 | - | 4.64 | 111,167 |
| Islands by Largest City #1 | 0 | - | 4.44 | 81,803 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 201,487 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 158,061 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 154,647 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 79,244 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 83,146 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 143,719 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 48,548 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,162 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 152,748 |
| Biggest Cities in Asia | 0 | - | 4.91 | 93,964 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,361 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,040 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 40,410 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 160,294 |
| Divided World City Name Puzzle #1 | 0 | - | 4.90 | 38,642 |
| The Only Country ... | 0 | - | 4.85 | 43,812 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 99,221 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 65,487 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 278,097 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 203,061 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 194,348 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 165,382 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 103,234 |
| Top Five Countries by Random Categories | 0 | - | 4.96 | 104,181 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.98 | 93,880 |
| Random Countries by Borders | 0 | - | 5.00 | 65,201 |
| Random Name a Valid Country | 0 | - | 4.99 | 162,363 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 45,622 |
| Countries of the World Quiz | 0 | - | 5.00 | 39,934,539 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.80 | 29,569 |
| Category Elimination - European Geography #1 | 0 | - | 4.94 | 195,846 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.62 | 91,821 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 49,967 |
| Biggest City by Time Zone | 0 | - | 4.80 | 52,862 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.46 | 97,048 |
| Biggest Cities by Trait #1 | 0 | - | 4.42 | 42,672 |
| Biggest City by Region | 0 | - | 4.45 | 32,849 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 52,583 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 62,623 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 66,654 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 195,782 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 107,195 |
| Largest World Capitals with Exceptions | 0 | - | 4.70 | 50,072 |
| Two Largest Cities by First Two Letters | 0 | - | 4.63 | 66,647 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 298,562 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 94,840 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 46,600 |
| Ten Southernmost Megacities | 0 | - | 4.78 | 45,759 |
| Word Scramble - Cities #1 | 0 | - | 4.45 | 93,337 |
| Largest World Cities With Five Letters | 0 | - | 4.48 | 58,107 |
| Cities Chain #1 | 0 | - | 4.50 | 62,177 |
| Name Any Valid U.S. City | 0 | - | 4.46 | 34,733 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.90 | 112,230 |
| Random World Capitals on a Map | 0 | - | 4.93 | 111,194 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 78,376 |
| Word Scramble - Countries | 0 | - | 4.75 | 1,889,260 |
| Countries of the World - One Minute Sprint | 0 | - | 4.27 | 857,396 |
| Random Countries with Letters Missing | 0 | - | 4.50 | 69,829 |
| Empty World Map without 20 Random Countries | 0 | - | 4.88 | 95,932 |
| Musical Acts by Country #1 | 0 | - | 4.42 | 62,331 |
| World Map with 10 Random Extra Borders | 0 | - | 4.97 | 316,554 |
| European Map without 10 Random Countries | 0 | - | 4.96 | 241,236 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,236 |
| Geography Tile Select Quiz | 0 | - | 4.97 | 81,920 |
| Islands by Largest City #2 | 0 | - | 4.54 | 26,461 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.36 | 65,959 |
| Countries by Population Decrease | 0 | - | 4.34 | 46,011 |
| Population Trivia | 0 | - | 4.31 | 26,122 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 129,312 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 43,398 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 88,233 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,223 |
| 500 Biggest US Cities | 0 | - | 4.83 | 94,480 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 51,039 |
| World Capitals Quiz | 0 | - | 5.00 | 4,416,681 |
| Capitals in Random Squares of the World Map | 0 | - | 4.91 | 65,083 |
| Name a World Capital A-Z | 0 | - | 5.00 | 138,466 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 311,569 |
| Sahara Desert Countries | 0 | - | 4.98 | 122,651 |
| Himalayan Countries | 0 | - | 4.95 | 100,056 |
| Andean Countries | 0 | - | 4.92 | 55,464 |
| Countries with the Oldest Median Age | 0 | - | 4.88 | 56,390 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 47,623 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 100,632 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 51,969 |
| Danube Countries | 0 | - | 4.97 | 55,916 |
| Countries With an "Ish" Demonym | 0 | - | 4.96 | 90,990 |
| Countries With an "Ese" Demonym | 0 | - | 4.95 | 64,285 |
| Countries with the Worst Passports | 0 | - | 4.88 | 48,121 |
| Countries with the Most Immigrants | 0 | - | 4.84 | 107,356 |
| European Landlocked Countries | 0 | - | 4.99 | 114,093 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,054 |
| Countries with the Most Species | 0 | - | 4.99 | 88,913 |
| Tropic of Cancer Countries | 0 | - | 4.93 | 44,237 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,600 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,003 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 58,164 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 48,187 |
| Countries in the Alps | 0 | - | 4.85 | 100,827 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 83,910 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 84,526 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 70,667 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,130 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 92,703 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.88 | 86,412 |
