| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,026 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,774 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,169 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,788 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,589 |
| Countries with Megacities | 0 | - | 4.99 | 247,496 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,432 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,177 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,848 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,105 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,020 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,651 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,976 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,015 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,343 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,353 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,168 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,816 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,156 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,913 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,203 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,591,139 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,190 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,000 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,250 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,010 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,554 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,792 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,391 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,754 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,806 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,195 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,007 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,342 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,610 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,602 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,979 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,695 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,129 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,236 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,806 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,773 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,642 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,806 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,067 |
| Name a Valid World City | 0 | - | 4.83 | 70,241 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,347 |
| Random Country to Capital | 0 | - | 4.98 | 912,381 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,089,303 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,055 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,424 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,319 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,360 |
| Countries with Four Letters | 0 | - | 4.99 | 418,889 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,428 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,987 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,208 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,481 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,013 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,342 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,313 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,373 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,680 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,110 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,199 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,465 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,057 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,490 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,677 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,348 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,686 |
| Biggest Cities by Language | 0 | - | 4.96 | 233,094 |
| Largest City by Island | 0 | - | 4.87 | 71,113 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,435 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,638 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,270 |
| Megacities on a World Map | 0 | - | 4.98 | 251,231 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,715 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,859 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,940 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,924 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,271 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,600 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,407 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,356 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,700 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,637 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,892 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,312 |
| Capital Cities Chain | 0 | - | 4.84 | 81,977 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,063 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,449 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,569 |
| Country Chain | 0 | - | 4.96 | 215,868 |
| Countries by Emojis | 0 | - | 4.99 | 236,891 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,177 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,877 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,338 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,212 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,224 |
| Islands by Country #1 | 0 | - | 4.87 | 174,561 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,981 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,325 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,374 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,065 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,011 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,987 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,642 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,818 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,992 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,566 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,645 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,181 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,376 |
| Most Populous Islands | 0 | - | 4.79 | 122,041 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,212 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,416 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,128 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,134 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,968 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,055 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,638 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,865 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,507 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,887 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,207 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,991 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,141 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,567 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,602 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,374 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,615 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,359 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,676 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,141 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,498 |
| The Only Country ... | 0 | - | 4.91 | 80,015 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,537 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,506 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,414 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,388 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,900 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,390 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,791 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,690 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,793 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,030 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,524 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,579 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,362 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,454 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,640 |
| Random Countries by Borders | 0 | - | 4.99 | 81,734 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,375 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,124 |
| Boundary Waters | 0 | - | 4.92 | 88,077 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,845 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,770 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,375 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,346 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,821 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,179 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,422 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,654 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,897 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,808 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,005 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,567 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,147 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,650 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,699 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,909 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,649 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,375 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,605 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,723 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,119 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,970 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,432 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 113,442 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,982 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,921 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,742 |
| Biggest City by Region | 0 | - | 4.50 | 36,011 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,923 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,039 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,239 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,947 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,267 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,004 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,468 |
| Cities Chain #2 | 0 | - | 4.42 | 56,181 |
| Cities Chain #1 | 0 | - | 4.61 | 66,367 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,238 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,971,422 |
| Landlocked Countries | 0 | - | 4.99 | 414,255 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 956,818 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,586 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 554,822 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,189 |
