| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,443 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,543 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,558 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,426 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,166 |
| Countries with Megacities | 0 | - | 4.99 | 265,242 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,996 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,623 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,252 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,696 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,396 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,052 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,348 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,322 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,583 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,643 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,310 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,022 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,717 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,350 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,205 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,637,645 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,155 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,032 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,408 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,291 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,654 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,847 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,305 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,480 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,338 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,313 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,957 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 146,953 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,349 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,918 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,250 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,518 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,301 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,403 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,921 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,036 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,476 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,313 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,048 |
| Name a Valid World City | 0 | - | 4.83 | 71,579 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,210 |
| Random Country to Capital | 0 | - | 4.98 | 923,914 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,107,305 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,965 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,771 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,242 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,985 |
| Countries with Four Letters | 0 | - | 4.99 | 423,833 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,778 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,097 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,740 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,200 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,094 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,856 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,992 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,928 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,316 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,746 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,862 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,269 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,429 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,568 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,029 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,209 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,167 |
| Largest City by Island | 0 | - | 4.87 | 72,152 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,241 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,337 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,872 |
| Megacities on a World Map | 0 | - | 4.98 | 255,715 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,060 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,574 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,297 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,457 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,049 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,856 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,394 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,588 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,343 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,990 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,375 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,683 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,490 |
| Capital Cities Chain | 0 | - | 4.84 | 83,056 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,204 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,306 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,639 |
| Country Chain | 0 | - | 4.96 | 217,794 |
| Countries by Emojis | 0 | - | 4.99 | 240,719 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,217 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 31,011 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,185 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,307 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,482 |
| Islands by Country #1 | 0 | - | 4.90 | 175,668 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,832 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,197 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,950 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,721 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,926 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,885 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,794 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,954 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,930 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,158 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,901 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,263 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 731,383 |
| Most Populous Islands | 0 | - | 4.80 | 123,109 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,335 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,587 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,581 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,428 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,969 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,488 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,904 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,638 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,615 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,348 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,223 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,584 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,667 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,516 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,264 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,237 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,851 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,267 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,984 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,053 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,240 |
| The Only Country ... | 0 | - | 4.91 | 81,522 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,302 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,434 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,364 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,908 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,661 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,932 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,038 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,399 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,008 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,073 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,858 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,299 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,457 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,422 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,309 |
| Random Countries by Borders | 0 | - | 4.99 | 82,749 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,611 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,222 |
| South American Geography Quiz #2 | 0 | - | 4.38 | 42,391 |
| Boundary Waters | 0 | - | 4.92 | 88,622 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,296 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,560 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,374 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,998 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,500 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,738 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,889 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,244 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,705 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,680 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,652 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,143 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,797 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,029 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,234 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,885 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,620 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,034 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,910 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,585 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,912 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,449 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,744 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,914 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,828 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,587 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,068 |
| Biggest City by Region | 0 | - | 4.50 | 36,304 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,221 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,244 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,390 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,408 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,483 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,338 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,206 |
| Cities Chain #2 | 0 | - | 4.42 | 56,447 |
| Cities Chain #1 | 0 | - | 4.61 | 66,707 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,727 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,656,122 |
| Landlocked Countries | 0 | - | 4.99 | 422,917 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 979,745 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,278 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,987 |
