| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,731 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,679 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,741 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,249 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,748 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,366 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,766 |
| Asia Capital to Country | 0 | - | 4.96 | 127,217 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,630 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,079 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,483 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,991 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,373 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,259 |
| Capitals of the Stans | 0 | - | 4.95 | 27,059 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,514 |
| Countries with Megacities | 0 | - | 4.99 | 266,010 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,302 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,771 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,559 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,897 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,611 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,828 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,698 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,080 |
| Asia Map Quiz | 0 | - | 4.99 | 923,001 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,288 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,141 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,655 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,469 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,748 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,011 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,423 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,719 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,646 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,834 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,213 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,069 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,563 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,084 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,732 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,473 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,544 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,070 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,195 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,862 |
| Name a City - European Countries | 0 | - | 4.90 | 65,957 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,685 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,841 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,574 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,522 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,150 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,214 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,969 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,348 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,405 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,390 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,936 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,112 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,281 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,219 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,162 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,830 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,071 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,453 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,580 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,716 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,102 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,381 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,411 |
| Largest City by Island | 0 | - | 4.87 | 72,285 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,323 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,506 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,997 |
| Megacities on a World Map | 0 | - | 4.98 | 256,232 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,902 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,661 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,476 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,806 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,431 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,569 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,728 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,410 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,092 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,434 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,749 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,604 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,259 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,810 |
| Europe Capital to Country | 0 | - | 4.99 | 251,609 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,664 |
| European Capitals by Map | 0 | - | 4.99 | 141,469 |
| African Capitals by Map | 0 | - | 4.99 | 141,517 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,655 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,995 |
| European Coastal Capitals | 0 | - | 4.95 | 91,103 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,786 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,333 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,060 |
| Countries of the Middle East | 0 | - | 4.96 | 202,263 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,453 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,690 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,568 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,106 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,350 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,716 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,989 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,615 |
| Random Asian City to Country | 0 | - | 4.56 | 44,588 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,089 |
| Boundary Waters | 0 | - | 4.92 | 88,690 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,345 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,507 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,094 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,810 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,811 |
| Most Populous Islands | 0 | - | 4.80 | 123,201 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,354 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,608 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,940 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,911 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,816 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,411 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,407 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,694 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,829 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,902 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,338 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,869 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,015 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,394 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,103 |
| Official Cities in the UK | 0 | - | 4.89 | 285,499 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,782 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,869 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,928 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,524 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,996 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,414 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,863 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,246 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,472 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,160 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,779 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,588 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,881 |
| Monarchies of Asia | 0 | - | 4.97 | 71,382 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,185 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,027 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,594 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,638 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,915 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,750,883 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,013 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,708 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,960 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,614 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,107 |
| Biggest City by Region | 0 | - | 4.50 | 36,340 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,270 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 31,994 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,239 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,898 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,336 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,458 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,276 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,415 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,474 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,166 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,522 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,719 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,439 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,624 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,335 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,462 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,997 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,291 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,451 |
| Landlocked Countries | 0 | - | 4.99 | 424,076 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,755 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,550 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,904 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,489 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,647 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 584,161 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,041 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,220 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,629 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,616 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,570 |
| Japan Country Quiz | 0 | - | 4.93 | 143,094 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,006 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,913 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,655 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,358 |
| States of India Map Quiz | 0 | - | 4.84 | 26,795 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,721 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,331 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,830 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,241 |
