| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,952 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,965 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,815 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,162 |
| Syria Country Quiz | 0 | - | 4.81 | 32,294 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,694 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,680 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,985 |
| Asia Capital to Country | 0 | - | 4.96 | 125,723 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,109 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,174 |
| Countries of the Middle East | 0 | - | 4.96 | 198,862 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,581 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,883 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,814 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,926 |
| Capitals of the Stans | 0 | - | 4.95 | 26,399 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,614 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,434 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,972 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,697 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,533 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,067 |
| Countries with Megacities | 0 | - | 4.99 | 246,659 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,996 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,849 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,422 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,783 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,127 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,592 |
| Asia Map Quiz | 0 | - | 4.99 | 906,811 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,255 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,214 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,460 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,872 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,322 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,405 |
| Oman Country Quiz | 0 | - | 4.86 | 26,669 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,284 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,094 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,797 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,865 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,845 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,456 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,561 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,369 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,324 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,226 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,617 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,621 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,821 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,820 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,955 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,463 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,498 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,522 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,551 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,037 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,145 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,723 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,654 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,497 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,294 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,713 |
| Name a City - European Countries | 0 | - | 4.92 | 64,362 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,029 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,794 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,612 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,439 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,801 |
| Arab Spring Countries | 0 | - | 4.51 | 43,814 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,771 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,534 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,335 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,179 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,652 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,084 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,126 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,287 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,885 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,370 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,557 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,276 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,399 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,819 |
| Largest City by Island | 0 | - | 4.87 | 71,016 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,370 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,513 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,764 |
| Megacities on a World Map | 0 | - | 4.98 | 250,879 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,106 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,777 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,846 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,675 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,119 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,427 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,261 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,242 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,587 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,547 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,786 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,194 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,327 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,778 |
| Random Asian City to Country | 0 | - | 4.56 | 44,388 |
| Europe Capital to Country | 0 | - | 4.99 | 247,574 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,418 |
| European Capitals by Map | 0 | - | 4.99 | 136,205 |
| African Capitals by Map | 0 | - | 4.99 | 132,121 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,157 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,585 |
| European Coastal Capitals | 0 | - | 4.95 | 89,720 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,715 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,736 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,411 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,087 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,058 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,684 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,461 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,738 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,379 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,215 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,694 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,338 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,363 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,127 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,983 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,278 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,558 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,953 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,480 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,281 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,572 |
| Official Cities in the UK | 0 | - | 4.89 | 280,454 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,147 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,788 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,641 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,395 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,087 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,689 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,422 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,753 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,334 |
| Monarchies of Asia | 0 | - | 4.97 | 70,589 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,426 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,718 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,005 |
| Provinces of Turkey | 0 | - | 4.95 | 200,920 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,379 |
| Most Populous Islands | 0 | - | 4.79 | 121,966 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,198 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,401 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,606 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,720 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,840 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,916 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,583 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,782 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,029 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,807 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,232 |
| Turkey Country Quiz | 0 | - | 4.42 | 74,968 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 34,963 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,647 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,941 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,525 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,108 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,421 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,547 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,765 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,175 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,885 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,315 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,717 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,382 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,382 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,805 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,656 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,215 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,222 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,779 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,767 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,199 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,482 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,030 |
| Japan Country Quiz | 0 | - | 4.92 | 141,213 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,322 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,761 |
| States of India Map Quiz | 0 | - | 4.82 | 26,021 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,010 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,845 |
| Boundary Waters | 0 | - | 4.92 | 88,028 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,805 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,250 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,252 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,824 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,718 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,432 |
